public void open(DataFlowOpOpenContext openContext) {
FilterValueSet valueSet;
try {
List<ExprNode> filters = Collections.emptyList();
if (filter != null) {
filters = Collections.singletonList(filter);
}
FilterSpecCompiled spec =
FilterSpecCompiler.makeFilterSpec(
eventType,
eventType.getName(),
filters,
null,
null,
null,
new StreamTypeServiceImpl(
eventType, eventType.getName(), true, agentInstanceContext.getEngineURI()),
null,
agentInstanceContext.getStatementContext(),
new ArrayList<Integer>());
valueSet = spec.getValueSet(null, agentInstanceContext, null);
} catch (ExprValidationException ex) {
throw new EPException("Failed to open filter: " + ex.getMessage(), ex);
}
EPStatementAgentInstanceHandle handle =
new EPStatementAgentInstanceHandle(
agentInstanceContext.getStatementContext().getEpStatementHandle(),
agentInstanceContext.getAgentInstanceLock(),
0,
new StatementAgentInstanceFilterVersion());
callbackHandle = new EPStatementHandleCallback(handle, this);
agentInstanceContext.getStatementContext().getFilterService().add(valueSet, callbackHandle);
}
public void testJoinSelect() {
String eventA = SupportBean.class.getName();
String eventB = SupportBean.class.getName();
String joinStatement =
"select s0.doubleBoxed, s1.intPrimitive*s1.intBoxed/2.0 as div from "
+ eventA
+ "(theString='s0').win:length(3) as s0,"
+ eventB
+ "(theString='s1').win:length(3) as s1"
+ " where s0.doubleBoxed = s1.doubleBoxed";
EPStatement joinView = epService.getEPAdministrator().createEPL(joinStatement);
joinView.addListener(updateListener);
EventType result = joinView.getEventType();
assertEquals(Double.class, result.getPropertyType("s0.doubleBoxed"));
assertEquals(Double.class, result.getPropertyType("div"));
assertEquals(2, joinView.getEventType().getPropertyNames().length);
assertNull(updateListener.getLastNewData());
sendEvent("s0", 1, 4, 5);
sendEvent("s1", 1, 3, 2);
EventBean[] newEvents = updateListener.getLastNewData();
assertEquals(1d, newEvents[0].get("s0.doubleBoxed"));
assertEquals(3d, newEvents[0].get("div"));
Iterator<EventBean> iterator = joinView.iterator();
EventBean theEvent = iterator.next();
assertEquals(1d, theEvent.get("s0.doubleBoxed"));
assertEquals(3d, theEvent.get("div"));
}
/**
* Ctor.
*
* @param typeName is the event type name
* @param eventType is the event type of the wrapped events
* @param properties is the additional properties this wrapper adds
* @param metadata event type metadata
* @param eventAdapterService is the service for resolving unknown wrapped types
*/
public WrapperEventType(
EventTypeMetadata metadata,
String typeName,
int eventTypeId,
EventType eventType,
Map<String, Object> properties,
EventAdapterService eventAdapterService) {
checkForRepeatedPropertyNames(eventType, properties);
this.metadata = metadata;
this.underlyingEventType = eventType;
EventTypeMetadata metadataMapType = EventTypeMetadata.createAnonymous(typeName);
this.underlyingMapType =
new MapEventType(
metadataMapType, typeName, 0, eventAdapterService, properties, null, null, null);
this.isNoMapProperties = properties.isEmpty();
this.eventAdapterService = eventAdapterService;
this.eventTypeId = eventTypeId;
propertyGetterCache = new HashMap<String, EventPropertyGetter>();
updatePropertySet();
if (metadata.getTypeClass() == EventTypeMetadata.TypeClass.NAMED_WINDOW) {
startTimestampPropertyName = eventType.getStartTimestampPropertyName();
endTimestampPropertyName = eventType.getEndTimestampPropertyName();
EventTypeUtility.validateTimestampProperties(
this, startTimestampPropertyName, endTimestampPropertyName);
}
}
private EventPropertyGetter[] makeGetters() {
EventType eventType = SupportEventTypeFactory.createBeanType(SupportBean.class);
EventPropertyGetter[] getters = new EventPropertyGetter[2];
getters[0] = eventType.getGetter("theString");
getters[1] = eventType.getGetter("intPrimitive");
return getters;
}
public Object get(String property) throws PropertyAccessException {
EventPropertyGetter getter = eventType.getGetter(property);
if (getter == null) {
throw new PropertyAccessException(
"Property named '" + property + "' is not a valid property name for this type");
}
return eventType.getGetter(property).get(this);
}
public void testMinMaxEventType() {
setUpMinMax();
EventType type = selectTestView.getEventType();
log.debug(".testGetEventType properties=" + Arrays.toString(type.getPropertyNames()));
assertEquals(Long.class, type.getPropertyType("myMax"));
assertEquals(Long.class, type.getPropertyType("myMin"));
assertEquals(Long.class, type.getPropertyType("myMinEx"));
assertEquals(Long.class, type.getPropertyType("myMaxEx"));
}
public Class getPropertyType(String property) {
if (underlyingEventType.isProperty(property)) {
return underlyingEventType.getPropertyType(property);
} else if (underlyingMapType.isProperty(property)) {
return underlyingMapType.getPropertyType(property);
} else {
return null;
}
}
public void testSchemaXMLWSchemaWithAll() throws Exception {
Configuration config = SupportConfigFactory.getConfiguration();
ConfigurationEventTypeXMLDOM eventTypeMeta = new ConfigurationEventTypeXMLDOM();
eventTypeMeta.setRootElementName("event-page-visit");
String schemaUri =
TestSchemaXMLEvent.class
.getClassLoader()
.getResource(CLASSLOADER_SCHEMA_WITH_ALL_URI)
.toString();
eventTypeMeta.setSchemaResource(schemaUri);
eventTypeMeta.addNamespacePrefix("ss", "samples:schemas:simpleSchemaWithAll");
eventTypeMeta.addXPathProperty("url", "/ss:event-page-visit/ss:url", XPathConstants.STRING);
config.addEventType("PageVisitEvent", eventTypeMeta);
epService = EPServiceProviderManager.getProvider("TestSchemaXML", config);
epService.initialize();
updateListener = new SupportUpdateListener();
// url='page4'
String text = "select a.url as sesja from pattern [ every a=PageVisitEvent(url='page1') ]";
EPStatement stmt = epService.getEPAdministrator().createEPL(text);
stmt.addListener(updateListener);
SupportXML.sendEvent(
epService.getEPRuntime(),
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<event-page-visit xmlns=\"samples:schemas:simpleSchemaWithAll\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"samples:schemas:simpleSchemaWithAll simpleSchemaWithAll.xsd\">\n"
+ "<url>page1</url>"
+ "</event-page-visit>");
EventBean theEvent = updateListener.getLastNewData()[0];
assertEquals("page1", theEvent.get("sesja"));
updateListener.reset();
SupportXML.sendEvent(
epService.getEPRuntime(),
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<event-page-visit xmlns=\"samples:schemas:simpleSchemaWithAll\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"samples:schemas:simpleSchemaWithAll simpleSchemaWithAll.xsd\">\n"
+ "<url>page2</url>"
+ "</event-page-visit>");
assertFalse(updateListener.isInvoked());
EventType type =
epService.getEPAdministrator().createEPL("select * from PageVisitEvent").getEventType();
EPAssertionUtil.assertEqualsAnyOrder(
new Object[] {
new EventPropertyDescriptor(
"sessionId", Node.class, null, false, false, false, false, true),
new EventPropertyDescriptor(
"customerId", Node.class, null, false, false, false, false, true),
new EventPropertyDescriptor("url", String.class, null, false, false, false, false, false),
new EventPropertyDescriptor("method", Node.class, null, false, false, false, false, true),
},
type.getPropertyDescriptors());
}
/**
* Obtain information used by filter analyzer to handle this dot-method invocation as part of
* query planning/indexing.
*
* @param typesPerStream event types
* @param currentMethod
* @param currentParameters
* @param inputDesc descriptor of what the input to this interval method is
*/
public ExprDotNodeFilterAnalyzerDTIntervalDesc getFilterDesc(
EventType[] typesPerStream,
DatetimeMethodEnum currentMethod,
List<ExprNode> currentParameters,
ExprDotNodeFilterAnalyzerInput inputDesc) {
// with intervals is not currently query planned
if (currentParameters.size() > 1) {
return null;
}
// Get input (target)
int targetStreamNum;
String targetPropertyStart;
String targetPropertyEnd;
if (inputDesc instanceof ExprDotNodeFilterAnalyzerInputStream) {
ExprDotNodeFilterAnalyzerInputStream targetStream =
(ExprDotNodeFilterAnalyzerInputStream) inputDesc;
targetStreamNum = targetStream.getStreamNum();
EventType targetType = typesPerStream[targetStreamNum];
targetPropertyStart = targetType.getStartTimestampPropertyName();
targetPropertyEnd =
targetType.getEndTimestampPropertyName() != null
? targetType.getEndTimestampPropertyName()
: targetPropertyStart;
} else if (inputDesc instanceof ExprDotNodeFilterAnalyzerInputProp) {
ExprDotNodeFilterAnalyzerInputProp targetStream =
(ExprDotNodeFilterAnalyzerInputProp) inputDesc;
targetStreamNum = targetStream.getStreamNum();
targetPropertyStart = targetStream.getPropertyName();
targetPropertyEnd = targetStream.getPropertyName();
} else {
return null;
}
// check parameter info
if (parameterPropertyStart == null) {
return null;
}
return new ExprDotNodeFilterAnalyzerDTIntervalDesc(
currentMethod,
typesPerStream,
targetStreamNum,
targetPropertyStart,
targetPropertyEnd,
parameterStreamNum,
parameterPropertyStart,
parameterPropertyEnd);
}
public FragmentEventType getFragmentType(String property) {
FragmentEventType fragment = underlyingEventType.getFragmentType(property);
if (fragment != null) {
return fragment;
}
return underlyingMapType.getFragmentType(property);
}
public void testInsertFromPattern() {
String stmtOneText =
"insert into streamA select * from pattern [every " + SupportBean.class.getName() + "]";
SupportUpdateListener listenerOne = new SupportUpdateListener();
EPStatement stmtOne = epService.getEPAdministrator().createEPL(stmtOneText);
stmtOne.addListener(listenerOne);
String stmtTwoText =
"insert into streamA select * from pattern [every " + SupportBean.class.getName() + "]";
SupportUpdateListener listenerTwo = new SupportUpdateListener();
EPStatement stmtTwo = epService.getEPAdministrator().createEPL(stmtTwoText);
stmtTwo.addListener(listenerTwo);
EventType eventType = stmtOne.getEventType();
assertEquals(Map.class, eventType.getUnderlyingType());
}
public EventPropertyGetterIndexed getGetterIndexed(String indexedProperty) {
final EventPropertyGetterIndexed undIndexed =
underlyingEventType.getGetterIndexed(indexedProperty);
if (undIndexed != null) {
return new EventPropertyGetterIndexed() {
public Object get(EventBean theEvent, int index) throws PropertyAccessException {
if (!(theEvent instanceof DecoratingEventBean)) {
throw new PropertyAccessException("Mismatched property getter to EventBean type");
}
DecoratingEventBean wrapperEvent = (DecoratingEventBean) theEvent;
EventBean wrappedEvent = wrapperEvent.getUnderlyingEvent();
if (wrappedEvent == null) {
return null;
}
return undIndexed.get(wrappedEvent, index);
}
};
}
final EventPropertyGetterIndexed decoIndexed =
underlyingMapType.getGetterIndexed(indexedProperty);
if (decoIndexed != null) {
return new EventPropertyGetterIndexed() {
public Object get(EventBean theEvent, int index) throws PropertyAccessException {
if (!(theEvent instanceof DecoratingEventBean)) {
throw new PropertyAccessException("Mismatched property getter to EventBean type");
}
DecoratingEventBean wrapperEvent = (DecoratingEventBean) theEvent;
Map map = wrapperEvent.getDecoratingProperties();
return decoIndexed.get(
eventAdapterService.adapterForTypedMap(map, underlyingMapType), index);
}
};
}
return null;
}
/**
* Adds the getters for a property that is identified by a property number which indexes into
* array of getters per type.
*
* @param assignedPropertyNumber number of property
* @param propertyName to add
*/
public void addGetters(int assignedPropertyNumber, String propertyName) {
for (EventType type : knownTypes) {
EventPropertyGetter getter = type.getGetter(propertyName);
VariantPropertyGetterRow row = allGetters.get(type);
if (row == null) {
synchronized (this) {
row =
new VariantPropertyGetterRow(
type, new EventPropertyGetter[assignedPropertyNumber + 1]);
allGetters.put(type, row);
}
}
row.addGetter(assignedPropertyNumber, getter);
}
properties.add(propertyName);
}
private void updatePropertySet() {
PropertyDescriptorComposite compositeProperties =
getCompositeProperties(underlyingEventType, underlyingMapType);
propertyNames = compositeProperties.getPropertyNames();
propertyDescriptorMap = compositeProperties.getPropertyDescriptorMap();
propertyDesc = compositeProperties.getDescriptors();
numPropertiesUnderlyingType = underlyingEventType.getPropertyDescriptors().length;
}
public void testConfiguredViaPropsAndXML() {
Configuration configuration = SupportConfigFactory.getConfiguration();
configuration
.getEngineDefaults()
.getEventMeta()
.setDefaultEventRepresentation(Configuration.EventRepresentation.OBJECTARRAY);
configuration.addEventType(
"MyOAType",
"bean,theString,map".split(","),
new Object[] {SupportBean.class.getName(), "string", "java.util.Map"});
EPServiceProvider epService = EPServiceProviderManager.getDefaultProvider(configuration);
epService.initialize();
if (InstrumentationHelper.ENABLED) {
InstrumentationHelper.startTest(epService, this.getClass(), getName());
}
EventType eventType =
epService.getEPAdministrator().getConfiguration().getEventType("MyOAType");
assertEquals(Object[].class, eventType.getUnderlyingType());
assertEquals(String.class, eventType.getPropertyType("theString"));
assertEquals(Map.class, eventType.getPropertyType("map"));
assertEquals(SupportBean.class, eventType.getPropertyType("bean"));
EPStatement stmt =
epService
.getEPAdministrator()
.createEPL("select bean, theString, map('key'), bean.theString from MyOAType");
SupportUpdateListener listener = new SupportUpdateListener();
stmt.addListener(listener);
assertEquals(Object[].class, stmt.getEventType().getUnderlyingType());
SupportBean bean = new SupportBean("E1", 1);
epService
.getEPRuntime()
.sendEvent(
new Object[] {bean, "abc", Collections.singletonMap("key", "value")}, "MyOAType");
EPAssertionUtil.assertProps(
listener.assertOneGetNew(),
"bean,theString,map('key'),bean.theString".split(","),
new Object[] {bean, "abc", "value", "E1"});
if (InstrumentationHelper.ENABLED) {
InstrumentationHelper.endTest();
}
}
public Object getFragment(String propertyExpression) {
EventPropertyGetter getter = eventType.getGetter(propertyExpression);
if (getter == null) {
throw new PropertyAccessException(
"Property named '" + propertyExpression + "' is not a valid property name for this type");
}
return getter.getFragment(this);
}
public Class getUnderlyingType() {
// If the additional properties are empty, such as when wrapping a native event by means of
// wildcard-only select
// then the underlying type is simply the wrapped type.
if (isNoMapProperties) {
return underlyingEventType.getUnderlyingType();
} else {
return Pair.class;
}
}
private void checkForRepeatedPropertyNames(EventType eventType, Map<String, Object> properties) {
for (String property : eventType.getPropertyNames()) {
if (properties.keySet().contains(property)) {
throw new EPException(
"Property "
+ property
+ " occurs in both the underlying event and in the additional properties");
}
}
}
private static PropertyDescriptorComposite getCompositeProperties(
EventType underlyingEventType, MapEventType underlyingMapType) {
List<String> propertyNames = new ArrayList<String>();
propertyNames.addAll(Arrays.asList(underlyingEventType.getPropertyNames()));
propertyNames.addAll(Arrays.asList(underlyingMapType.getPropertyNames()));
String[] propertyNamesArr = propertyNames.toArray(new String[propertyNames.size()]);
List<EventPropertyDescriptor> propertyDesc = new ArrayList<EventPropertyDescriptor>();
HashMap<String, EventPropertyDescriptor> propertyDescriptorMap =
new HashMap<String, EventPropertyDescriptor>();
for (EventPropertyDescriptor eventProperty : underlyingEventType.getPropertyDescriptors()) {
propertyDesc.add(eventProperty);
propertyDescriptorMap.put(eventProperty.getPropertyName(), eventProperty);
}
for (EventPropertyDescriptor mapProperty : underlyingMapType.getPropertyDescriptors()) {
propertyDesc.add(mapProperty);
propertyDescriptorMap.put(mapProperty.getPropertyName(), mapProperty);
}
EventPropertyDescriptor[] propertyDescArr =
propertyDesc.toArray(new EventPropertyDescriptor[propertyDesc.size()]);
return new PropertyDescriptorComposite(
propertyDescriptorMap, propertyNamesArr, propertyDescArr);
}
private VariantPropertyGetterRow addType(EventType eventType) {
EventType[] newKnownTypes = (EventType[]) resizeArray(knownTypes, knownTypes.length + 1);
newKnownTypes[newKnownTypes.length - 1] = eventType;
// create getters
EventPropertyGetter[] getters = new EventPropertyGetter[properties.size()];
for (int i = 0; i < properties.size(); i++) {
getters[i] = eventType.getGetter(properties.get(i));
}
VariantPropertyGetterRow row = new VariantPropertyGetterRow(eventType, getters);
Map<EventType, VariantPropertyGetterRow> newAllGetters =
new HashMap<EventType, VariantPropertyGetterRow>();
newAllGetters.putAll(allGetters);
newAllGetters.put(eventType, row);
// overlay volatiles
knownTypes = newKnownTypes;
allGetters = newAllGetters;
return row;
}
public void testSchemaXMLQuery_DOMGetterBacked() throws Exception {
epService = EPServiceProviderManager.getProvider("TestSchemaXML", getConfig(false));
epService.initialize();
updateListener = new SupportUpdateListener();
String stmtSelectWild = "select * from TestXMLSchemaType";
EPStatement wildStmt = epService.getEPAdministrator().createEPL(stmtSelectWild);
EventType type = wildStmt.getEventType();
EventTypeAssertionUtil.assertConsistency(type);
EPAssertionUtil.assertEqualsAnyOrder(
new Object[] {
new EventPropertyDescriptor(
"nested1", Node.class, null, false, false, false, false, true),
new EventPropertyDescriptor(
"prop4", String.class, null, false, false, false, false, false),
new EventPropertyDescriptor(
"nested3", Node.class, null, false, false, false, false, true),
new EventPropertyDescriptor(
"customProp", Double.class, null, false, false, false, false, false),
},
type.getPropertyDescriptors());
String stmt =
"select nested1 as nodeProp,"
+ "prop4 as nested1Prop,"
+ "nested1.prop2 as nested2Prop,"
+ "nested3.nested4('a').prop5[1] as complexProp,"
+ "nested1.nested2.prop3[2] as indexedProp,"
+ "customProp,"
+ "prop4.attr2 as attrOneProp,"
+ "nested3.nested4[2].id as attrTwoProp"
+ " from TestXMLSchemaType.win:length(100)";
EPStatement selectStmt = epService.getEPAdministrator().createEPL(stmt);
selectStmt.addListener(updateListener);
type = selectStmt.getEventType();
EventTypeAssertionUtil.assertConsistency(type);
EPAssertionUtil.assertEqualsAnyOrder(
new Object[] {
new EventPropertyDescriptor(
"nodeProp", Node.class, null, false, false, false, false, true),
new EventPropertyDescriptor(
"nested1Prop", String.class, null, false, false, false, false, false),
new EventPropertyDescriptor(
"nested2Prop", Boolean.class, null, false, false, false, false, false),
new EventPropertyDescriptor(
"complexProp", String.class, null, false, false, false, false, false),
new EventPropertyDescriptor(
"indexedProp", Integer.class, null, false, false, false, false, false),
new EventPropertyDescriptor(
"customProp", Double.class, null, false, false, false, false, false),
new EventPropertyDescriptor(
"attrOneProp", Boolean.class, null, false, false, false, false, false),
new EventPropertyDescriptor(
"attrTwoProp", String.class, null, false, false, false, false, false),
},
type.getPropertyDescriptors());
Document eventDoc = SupportXML.sendDefaultEvent(epService.getEPRuntime(), "test");
assertNotNull(updateListener.getLastNewData());
EventBean theEvent = updateListener.getLastNewData()[0];
assertSame(eventDoc.getDocumentElement().getChildNodes().item(1), theEvent.get("nodeProp"));
assertEquals("SAMPLE_V6", theEvent.get("nested1Prop"));
assertEquals(true, theEvent.get("nested2Prop"));
assertEquals("SAMPLE_V8", theEvent.get("complexProp"));
assertEquals(5, theEvent.get("indexedProp"));
assertEquals(3.0, theEvent.get("customProp"));
assertEquals(true, theEvent.get("attrOneProp"));
assertEquals("c", theEvent.get("attrTwoProp"));
/**
* Comment-in for performance testing long start = System.nanoTime(); for (int i = 0; i < 1000;
* i++) { sendEvent("test"); } long end = System.nanoTime(); double delta = (end - start) /
* 1000d / 1000d / 1000d; System.out.println(delta);
*/
}
public IntervalOpImpl(
DatetimeMethodEnum method,
String methodNameUse,
EventType[] typesPerStream,
List<ExprNode> expressions)
throws ExprValidationException {
ExprEvaluator evaluatorEndTimestamp = null;
Class timestampType;
if (expressions.get(0) instanceof ExprStreamUnderlyingNode) {
ExprStreamUnderlyingNode und = (ExprStreamUnderlyingNode) expressions.get(0);
parameterStreamNum = und.getStreamId();
EventType type = typesPerStream[parameterStreamNum];
parameterPropertyStart = type.getStartTimestampPropertyName();
if (parameterPropertyStart == null) {
throw new ExprValidationException(
"For date-time method '"
+ methodNameUse
+ "' the first parameter is event type '"
+ type.getName()
+ "', however no timestamp property has been defined for this event type");
}
timestampType = type.getPropertyType(parameterPropertyStart);
EventPropertyGetter getter = type.getGetter(parameterPropertyStart);
evaluatorTimestamp = new ExprEvaluatorStreamLongProp(parameterStreamNum, getter);
if (type.getEndTimestampPropertyName() != null) {
parameterPropertyEnd = type.getEndTimestampPropertyName();
EventPropertyGetter getterEndTimestamp = type.getGetter(type.getEndTimestampPropertyName());
evaluatorEndTimestamp =
new ExprEvaluatorStreamLongProp(parameterStreamNum, getterEndTimestamp);
} else {
parameterPropertyEnd = parameterPropertyStart;
}
} else {
evaluatorTimestamp = expressions.get(0).getExprEvaluator();
timestampType = evaluatorTimestamp.getType();
if (expressions.get(0) instanceof ExprIdentNode) {
ExprIdentNode identNode = (ExprIdentNode) expressions.get(0);
parameterStreamNum = identNode.getStreamId();
parameterPropertyStart = identNode.getResolvedPropertyName();
parameterPropertyEnd = parameterPropertyStart;
}
if (!JavaClassHelper.isDatetimeClass(evaluatorTimestamp.getType())) {
throw new ExprValidationException(
"For date-time method '"
+ methodNameUse
+ "' the first parameter expression returns '"
+ evaluatorTimestamp.getType()
+ "', however requires a Date, Calendar, Long-type return value or event (with timestamp)");
}
}
IntervalComputer intervalComputer = IntervalComputerFactory.make(method, expressions);
// evaluation without end timestamp
if (evaluatorEndTimestamp == null) {
if (JavaClassHelper.isSubclassOrImplementsInterface(timestampType, Calendar.class)) {
intervalOpEval = new IntervalOpEvalCal(intervalComputer);
} else if (JavaClassHelper.isSubclassOrImplementsInterface(timestampType, Date.class)) {
intervalOpEval = new IntervalOpEvalDate(intervalComputer);
} else if (JavaClassHelper.getBoxedType(timestampType) == Long.class) {
intervalOpEval = new IntervalOpEvalLong(intervalComputer);
} else {
throw new IllegalArgumentException(
"Invalid interval first parameter type '" + timestampType + "'");
}
} else {
if (JavaClassHelper.isSubclassOrImplementsInterface(timestampType, Calendar.class)) {
intervalOpEval = new IntervalOpEvalCalWithEnd(intervalComputer, evaluatorEndTimestamp);
} else if (JavaClassHelper.isSubclassOrImplementsInterface(timestampType, Date.class)) {
intervalOpEval = new IntervalOpEvalDateWithEnd(intervalComputer, evaluatorEndTimestamp);
} else if (JavaClassHelper.getBoxedType(timestampType) == Long.class) {
intervalOpEval = new IntervalOpEvalLongWithEnd(intervalComputer, evaluatorEndTimestamp);
} else {
throw new IllegalArgumentException(
"Invalid interval first parameter type '" + timestampType + "'");
}
}
}
public void testNestedPojo() {
Pair<String[], Object[]> pair = getTestDefTwo();
EPServiceProvider epService =
getEngineInitialized("NestedObjectArr", pair.getFirst(), pair.getSecond());
String statementText =
"select "
+ "simple, object, nodefmap, map, "
+ "object.id as a1, nodefmap.key1? as a2, nodefmap.key2? as a3, nodefmap.key3?.key4 as a4, "
+ "map.objectOne as b1, map.simpleOne as b2, map.nodefmapOne.key2? as b3, map.mapOne.simpleTwo? as b4, "
+ "map.objectOne.indexed[1] as c1, map.objectOne.nested.nestedValue as c2,"
+ "map.mapOne.simpleTwo as d1, map.mapOne.objectTwo as d2, map.mapOne.nodefmapTwo as d3, "
+ "map.mapOne.mapTwo as e1, map.mapOne.mapTwo.simpleThree as e2, map.mapOne.mapTwo.objectThree as e3, "
+ "map.mapOne.objectTwo.array[1].mapped('1ma').value as f1, map.mapOne.mapTwo.objectThree.id as f2"
+ " from NestedObjectArr";
EPStatement statement = epService.getEPAdministrator().createEPL(statementText);
SupportUpdateListener listener = new SupportUpdateListener();
statement.addListener(listener);
Object[] testdata = getTestDataTwo();
epService.getEPRuntime().sendEvent(testdata, "NestedObjectArr");
// test all properties exist
EventBean received = listener.assertOneGetNewAndReset();
EPAssertionUtil.assertProps(
received,
"simple,object,nodefmap,map".split(","),
new Object[] {"abc", new SupportBean_A("A1"), testdata[2], testdata[3]});
EPAssertionUtil.assertProps(
received, "a1,a2,a3,a4".split(","), new Object[] {"A1", "val1", null, null});
EPAssertionUtil.assertProps(
received,
"b1,b2,b3,b4".split(","),
new Object[] {getNestedKey(testdata, 3, "objectOne"), 10, "val2", 300});
EPAssertionUtil.assertProps(received, "c1,c2".split(","), new Object[] {2, "nestedValue"});
EPAssertionUtil.assertProps(
received,
"d1,d2,d3".split(","),
new Object[] {
300,
getNestedKey(testdata, 3, "mapOne", "objectTwo"),
getNestedKey(testdata, 3, "mapOne", "nodefmapTwo")
});
EPAssertionUtil.assertProps(
received,
"e1,e2,e3".split(","),
new Object[] {
getNestedKey(testdata, 3, "mapOne", "mapTwo"), 4000L, new SupportBean_B("B1")
});
EPAssertionUtil.assertProps(received, "f1,f2".split(","), new Object[] {"1ma0", "B1"});
// assert type info
EPStatement stmt = epService.getEPAdministrator().createEPL(("select * from NestedObjectArr"));
EventType eventType = stmt.getEventType();
String[] propertiesReceived = eventType.getPropertyNames();
String[] propertiesExpected = new String[] {"simple", "object", "nodefmap", "map"};
EPAssertionUtil.assertEqualsAnyOrder(propertiesReceived, propertiesExpected);
assertEquals(String.class, eventType.getPropertyType("simple"));
assertEquals(Map.class, eventType.getPropertyType("map"));
assertEquals(Map.class, eventType.getPropertyType("nodefmap"));
assertEquals(SupportBean_A.class, eventType.getPropertyType("object"));
assertNull(eventType.getPropertyType("map.mapOne.simpleOne"));
// nested POJO with generic return type
listener.reset();
epService
.getEPAdministrator()
.getConfiguration()
.addEventType("MyNested", new String[] {"bean"}, new Object[] {MyNested.class});
EPStatement stmtTwo =
epService
.getEPAdministrator()
.createEPL("select * from MyNested(bean.insides.anyOf(i=>id = 'A'))");
stmtTwo.addListener(listener);
epService
.getEPRuntime()
.sendEvent(
new Object[] {new MyNested(Arrays.asList(new MyInside[] {new MyInside("A")}))},
"MyNested");
assertTrue(listener.isInvoked());
}
private void checkInitProperties() {
if (numPropertiesUnderlyingType != underlyingEventType.getPropertyDescriptors().length) {
updatePropertySet();
}
}
public void onUpdate(
EventBean[] newData,
EventBean[] oldData,
NamedWindowRootView namedWindowRootView,
NamedWindowIndexRepository indexRepository) {
// If new data is filled, it is not a delete
if ((newData == null) || (newData.length == 0)) {
// we are removing an event
RevisionEventBeanDeclared revisionEvent = (RevisionEventBeanDeclared) oldData[0];
MultiKeyUntyped key = revisionEvent.getKey();
statePerKey.remove(key);
// Insert into indexes for fast deletion, if there are any
for (EventTable table : indexRepository.getTables()) {
table.remove(oldData);
}
// make as not the latest event since its due for removal
revisionEvent.setLatest(false);
namedWindowRootView.updateChildren(null, oldData);
return;
}
RevisionEventBeanDeclared revisionEvent = (RevisionEventBeanDeclared) newData[0];
EventBean underlyingEvent = revisionEvent.getUnderlyingFullOrDelta();
EventType underyingEventType = underlyingEvent.getEventType();
// obtain key values
MultiKeyUntyped key = null;
RevisionTypeDesc typesDesc = null;
boolean isBaseEventType = false;
if (underyingEventType == baseEventType) {
key = PropertyUtility.getKeys(underlyingEvent, fullKeyGetters);
isBaseEventType = true;
} else {
typesDesc = typeDescriptors.get(underyingEventType);
// if this type cannot be found, check all supertypes, if any
if (typesDesc == null) {
Iterator<EventType> superTypes = underyingEventType.getDeepSuperTypes();
if (superTypes != null) {
EventType superType;
for (; superTypes.hasNext(); ) {
superType = superTypes.next();
if (superType == baseEventType) {
key = PropertyUtility.getKeys(underlyingEvent, fullKeyGetters);
isBaseEventType = true;
break;
}
typesDesc = typeDescriptors.get(superType);
if (typesDesc != null) {
typeDescriptors.put(underyingEventType, typesDesc);
key = PropertyUtility.getKeys(underlyingEvent, typesDesc.getKeyPropertyGetters());
break;
}
}
}
} else {
key = PropertyUtility.getKeys(underlyingEvent, typesDesc.getKeyPropertyGetters());
}
if (key == null) {
log.warn(
"Ignoring event of event type '"
+ underyingEventType
+ "' for revision processing type '"
+ revisionEventTypeName);
return;
}
}
// get the state for this key value
RevisionStateDeclared revisionState = statePerKey.get(key);
// Delta event and no full
if ((!isBaseEventType) && (revisionState == null)) {
return; // Ignore the event, its a delta and we don't currently have a full event for it
}
// New full event
if (revisionState == null) {
revisionState = new RevisionStateDeclared(underlyingEvent, null, null);
statePerKey.put(key, revisionState);
// prepare revison event
revisionEvent.setLastBaseEvent(underlyingEvent);
revisionEvent.setKey(key);
revisionEvent.setHolders(null);
revisionEvent.setLatest(true);
// Insert into indexes for fast deletion, if there are any
for (EventTable table : indexRepository.getTables()) {
table.add(newData);
}
// post to data window
revisionState.setLastEvent(revisionEvent);
namedWindowRootView.updateChildren(new EventBean[] {revisionEvent}, null);
return;
}
// new version
long versionNumber = revisionState.incRevisionNumber();
// Previously-seen full event
if (isBaseEventType) {
revisionState.setHolders(null);
revisionState.setBaseEventUnderlying(underlyingEvent);
}
// Delta event to existing full event
else {
int groupNum = typesDesc.getGroup().getGroupNum();
RevisionBeanHolder[] holders = revisionState.getHolders();
if (holders
== null) // optimization - the full event sets it to null, deltas all get a new one
{
holders = new RevisionBeanHolder[groups.length];
} else {
holders = arrayCopy(holders); // preserve the last revisions
}
// add the new revision for a property group on top
holders[groupNum] =
new RevisionBeanHolder(
versionNumber, underlyingEvent, typesDesc.getChangesetPropertyGetters());
revisionState.setHolders(holders);
}
// prepare revision event
revisionEvent.setLastBaseEvent(revisionState.getBaseEventUnderlying());
revisionEvent.setHolders(revisionState.getHolders());
revisionEvent.setKey(key);
revisionEvent.setLatest(true);
// get prior event
RevisionEventBeanDeclared lastEvent = revisionState.getLastEvent();
lastEvent.setLatest(false);
// data to post
EventBean[] newDataPost = new EventBean[] {revisionEvent};
EventBean[] oldDataPost = new EventBean[] {lastEvent};
// update indexes
for (EventTable table : indexRepository.getTables()) {
table.remove(oldDataPost);
table.add(newDataPost);
}
// keep reference to last event
revisionState.setLastEvent(revisionEvent);
namedWindowRootView.updateChildren(newDataPost, oldDataPost);
}
/**
* Ctor.
*
* @param assignments the list of variable assignments
* @param variableService variable service
* @param eventAdapterService event adapters
* @throws com.espertech.esper.epl.expression.core.ExprValidationException when variables cannot
* be found
*/
public VariableReadWritePackage(
List<OnTriggerSetAssignment> assignments,
VariableService variableService,
EventAdapterService eventAdapterService)
throws ExprValidationException {
this.metaData = new VariableMetaData[assignments.size()];
this.readersForGlobalVars = new VariableReader[assignments.size()];
this.mustCoerce = new boolean[assignments.size()];
this.writers = new WriteDesc[assignments.size()];
this.variableTypes = new HashMap<String, Object>();
this.eventAdapterService = eventAdapterService;
this.variableService = variableService;
Map<EventTypeSPI, CopyMethodDesc> eventTypeWrittenProps =
new HashMap<EventTypeSPI, CopyMethodDesc>();
int count = 0;
List<VariableTriggerSetDesc> assignmentList = new ArrayList<VariableTriggerSetDesc>();
for (OnTriggerSetAssignment expressionWithAssignments : assignments) {
Pair<String, ExprNode> possibleVariableAssignment =
ExprNodeUtility.checkGetAssignmentToVariableOrProp(
expressionWithAssignments.getExpression());
if (possibleVariableAssignment == null) {
throw new ExprValidationException(
"Missing variable assignment expression in assignment number " + count);
}
assignmentList.add(
new VariableTriggerSetDesc(
possibleVariableAssignment.getFirst(),
possibleVariableAssignment.getSecond().getExprEvaluator()));
String fullVariableName = possibleVariableAssignment.getFirst();
String variableName = fullVariableName;
String subPropertyName = null;
int indexOfDot = variableName.indexOf('.');
if (indexOfDot != -1) {
subPropertyName = variableName.substring(indexOfDot + 1, variableName.length());
variableName = variableName.substring(0, indexOfDot);
}
VariableMetaData variableMetadata = variableService.getVariableMetaData(variableName);
metaData[count] = variableMetadata;
if (variableMetadata == null) {
throw new ExprValidationException(
"Variable by name '" + variableName + "' has not been created or configured");
}
if (variableMetadata.isConstant()) {
throw new ExprValidationException(
"Variable by name '" + variableName + "' is declared constant and may not be set");
}
if (variableMetadata.getContextPartitionName() == null) {
readersForGlobalVars[count] =
variableService.getReader(variableName, VariableService.NOCONTEXT_AGENTINSTANCEID);
}
if (subPropertyName != null) {
if (variableMetadata.getEventType() == null) {
throw new ExprValidationException(
"Variable by name '"
+ variableName
+ "' does not have a property named '"
+ subPropertyName
+ "'");
}
EventType type = variableMetadata.getEventType();
if (!(type instanceof EventTypeSPI)) {
throw new ExprValidationException(
"Variable by name '"
+ variableName
+ "' event type '"
+ type.getName()
+ "' not writable");
}
EventTypeSPI spi = (EventTypeSPI) type;
EventPropertyWriter writer = spi.getWriter(subPropertyName);
EventPropertyGetter getter = spi.getGetter(subPropertyName);
if (writer == null) {
throw new ExprValidationException(
"Variable by name '"
+ variableName
+ "' the property '"
+ subPropertyName
+ "' is not writable");
}
variableTypes.put(fullVariableName, spi.getPropertyType(subPropertyName));
CopyMethodDesc writtenProps = eventTypeWrittenProps.get(spi);
if (writtenProps == null) {
writtenProps = new CopyMethodDesc(variableName, new ArrayList<String>());
eventTypeWrittenProps.put(spi, writtenProps);
}
writtenProps.getPropertiesCopied().add(subPropertyName);
writers[count] = new WriteDesc(spi, variableName, writer, getter);
} else {
// determine types
Class expressionType = possibleVariableAssignment.getSecond().getExprEvaluator().getType();
if (variableMetadata.getEventType() != null) {
if ((expressionType != null)
&& (!JavaClassHelper.isSubclassOrImplementsInterface(
expressionType, variableMetadata.getEventType().getUnderlyingType()))) {
throw new VariableValueException(
"Variable '"
+ variableName
+ "' of declared event type '"
+ variableMetadata.getEventType().getName()
+ "' underlying type '"
+ variableMetadata.getEventType().getUnderlyingType().getName()
+ "' cannot be assigned a value of type '"
+ expressionType.getName()
+ "'");
}
variableTypes.put(variableName, variableMetadata.getEventType().getUnderlyingType());
} else {
Class variableType = variableMetadata.getType();
variableTypes.put(variableName, variableType);
// determine if the expression type can be assigned
if (variableType != java.lang.Object.class) {
if ((JavaClassHelper.getBoxedType(expressionType) != variableType)
&& (expressionType != null)) {
if ((!JavaClassHelper.isNumeric(variableType))
|| (!JavaClassHelper.isNumeric(expressionType))) {
throw new ExprValidationException(
VariableServiceUtil.getAssigmentExMessage(
variableName, variableType, expressionType));
}
if (!(JavaClassHelper.canCoerce(expressionType, variableType))) {
throw new ExprValidationException(
VariableServiceUtil.getAssigmentExMessage(
variableName, variableType, expressionType));
}
mustCoerce[count] = true;
}
}
}
}
count++;
}
this.assignments = assignmentList.toArray(new VariableTriggerSetDesc[assignmentList.size()]);
if (eventTypeWrittenProps.isEmpty()) {
copyMethods = Collections.EMPTY_MAP;
return;
}
copyMethods = new HashMap<EventTypeSPI, EventBeanCopyMethod>();
for (Map.Entry<EventTypeSPI, CopyMethodDesc> entry : eventTypeWrittenProps.entrySet()) {
List<String> propsWritten = entry.getValue().getPropertiesCopied();
String[] props = propsWritten.toArray(new String[propsWritten.size()]);
EventBeanCopyMethod copyMethod = entry.getKey().getCopyMethod(props);
if (copyMethod == null) {
throw new ExprValidationException(
"Variable '"
+ entry.getValue().getVariableName()
+ "' of declared type "
+ JavaClassHelper.getClassNameFullyQualPretty(entry.getKey().getUnderlyingType())
+ "' cannot be assigned to");
}
copyMethods.put(entry.getKey(), copyMethod);
}
}
public boolean isProperty(String property) {
return underlyingEventType.isProperty(property) || underlyingMapType.isProperty(property);
}
private void runObjectArrInheritanceAssertion(EPServiceProvider epService) {
SupportUpdateListener listeners[] = new SupportUpdateListener[5];
String[] statements = {
"select base as vbase, sub1? as v1, sub2? as v2, suba? as va, subb? as vb from RootEvent", // 0
"select base as vbase, sub1 as v1, sub2? as v2, suba? as va, subb? as vb from Sub1Event", // 1
"select base as vbase, sub1? as v1, sub2 as v2, suba? as va, subb? as vb from Sub2Event", // 2
"select base as vbase, sub1 as v1, sub2? as v2, suba as va, subb? as vb from SubAEvent", // 3
"select base as vbase, sub1? as v1, sub2? as v2, suba? as va, subb as vb from SubBEvent" // 4
};
for (int i = 0; i < statements.length; i++) {
EPStatement statement = epService.getEPAdministrator().createEPL(statements[i]);
listeners[i] = new SupportUpdateListener();
statement.addListener(listeners[i]);
}
String[] fields = "vbase,v1,v2,va,vb".split(",");
EventType type = epService.getEPAdministrator().getConfiguration().getEventType("SubAEvent");
assertEquals("base", type.getPropertyDescriptors()[0].getPropertyName());
assertEquals("sub1", type.getPropertyDescriptors()[1].getPropertyName());
assertEquals("suba", type.getPropertyDescriptors()[2].getPropertyName());
assertEquals(3, type.getPropertyDescriptors().length);
type = epService.getEPAdministrator().getConfiguration().getEventType("SubBEvent");
assertEquals("[base, sub1, suba, subb]", Arrays.toString(type.getPropertyNames()));
assertEquals(4, type.getPropertyDescriptors().length);
type = epService.getEPAdministrator().getConfiguration().getEventType("Sub1Event");
assertEquals("[base, sub1]", Arrays.toString(type.getPropertyNames()));
assertEquals(2, type.getPropertyDescriptors().length);
type = epService.getEPAdministrator().getConfiguration().getEventType("Sub2Event");
assertEquals("[base, sub2]", Arrays.toString(type.getPropertyNames()));
assertEquals(2, type.getPropertyDescriptors().length);
epService
.getEPRuntime()
.sendEvent(new Object[] {"a", "b", "x"}, "SubAEvent"); // base, sub1, suba
EPAssertionUtil.assertProps(
listeners[0].assertOneGetNewAndReset(), fields, new Object[] {"a", "b", null, "x", null});
assertFalse(listeners[2].isInvoked() || listeners[4].isInvoked());
EPAssertionUtil.assertProps(
listeners[1].assertOneGetNewAndReset(), fields, new Object[] {"a", "b", null, "x", null});
EPAssertionUtil.assertProps(
listeners[3].assertOneGetNewAndReset(), fields, new Object[] {"a", "b", null, "x", null});
epService.getEPRuntime().sendEvent(new Object[] {"f1", "f2", "f4"}, "SubAEvent");
EPAssertionUtil.assertProps(
listeners[0].assertOneGetNewAndReset(),
fields,
new Object[] {"f1", "f2", null, "f4", null});
assertFalse(listeners[2].isInvoked() || listeners[4].isInvoked());
EPAssertionUtil.assertProps(
listeners[1].assertOneGetNewAndReset(),
fields,
new Object[] {"f1", "f2", null, "f4", null});
EPAssertionUtil.assertProps(
listeners[3].assertOneGetNewAndReset(),
fields,
new Object[] {"f1", "f2", null, "f4", null});
epService.getEPRuntime().sendEvent(new Object[] {"XBASE", "X1", "X2", "XY"}, "SubBEvent");
Object[] values = new Object[] {"XBASE", "X1", null, "X2", "XY"};
EPAssertionUtil.assertProps(listeners[0].assertOneGetNewAndReset(), fields, values);
assertFalse(listeners[2].isInvoked());
EPAssertionUtil.assertProps(listeners[1].assertOneGetNewAndReset(), fields, values);
EPAssertionUtil.assertProps(listeners[3].assertOneGetNewAndReset(), fields, values);
EPAssertionUtil.assertProps(listeners[4].assertOneGetNewAndReset(), fields, values);
epService.getEPRuntime().sendEvent(new Object[] {"YBASE", "Y1"}, "Sub1Event");
values = new Object[] {"YBASE", "Y1", null, null, null};
EPAssertionUtil.assertProps(listeners[0].assertOneGetNewAndReset(), fields, values);
assertFalse(listeners[2].isInvoked() || listeners[3].isInvoked() || listeners[4].isInvoked());
EPAssertionUtil.assertProps(listeners[1].assertOneGetNewAndReset(), fields, values);
epService.getEPRuntime().sendEvent(new Object[] {"YBASE", "Y2"}, "Sub2Event");
values = new Object[] {"YBASE", null, "Y2", null, null};
EPAssertionUtil.assertProps(listeners[0].assertOneGetNewAndReset(), fields, values);
assertFalse(listeners[1].isInvoked() || listeners[3].isInvoked() || listeners[4].isInvoked());
EPAssertionUtil.assertProps(listeners[2].assertOneGetNewAndReset(), fields, values);
epService.getEPRuntime().sendEvent(new Object[] {"ZBASE"}, "RootEvent");
values = new Object[] {"ZBASE", null, null, null, null};
EPAssertionUtil.assertProps(listeners[0].assertOneGetNewAndReset(), fields, values);
assertFalse(
listeners[1].isInvoked()
|| listeners[2].isInvoked()
|| listeners[3].isInvoked()
|| listeners[4].isInvoked());
// try property not available
try {
epService.getEPAdministrator().createEPL("select suba from Sub1Event");
fail();
} catch (EPStatementException ex) {
assertEquals(
"Error starting statement: Failed to validate select-clause expression 'suba': Property named 'suba' is not valid in any stream (did you mean 'sub1'?) [select suba from Sub1Event]",
ex.getMessage());
}
// try supertype not exists
try {
epService
.getEPAdministrator()
.getConfiguration()
.addEventType("Sub1Event", makeMap(""), new String[] {"doodle"});
fail();
} catch (ConfigurationException ex) {
assertEquals("Supertype by name 'doodle' could not be found", ex.getMessage());
}
}
public SelectExprProcessor getEvaluator() throws ExprValidationException {
// Get the named and un-named stream selectors (i.e. select s0.* from S0 as s0), if any
List<SelectClauseStreamCompiledSpec> namedStreams =
new ArrayList<SelectClauseStreamCompiledSpec>();
List<SelectExprStreamDesc> unnamedStreams = new ArrayList<SelectExprStreamDesc>();
for (SelectExprStreamDesc spec : selectedStreams) {
if (spec.getStreamSelected() != null && spec.getStreamSelected().getOptionalName() == null) {
unnamedStreams.add(spec);
} else if (spec.getExpressionSelectedAsStream()
!= null) { // handle special "transpose(...)" function
unnamedStreams.add(spec);
} else {
namedStreams.add(spec.getStreamSelected());
if (spec.getStreamSelected().isProperty()) {
throw new ExprValidationException(
"The property wildcard syntax must be used without column name");
}
}
}
// Error if there are more then one un-named streams (i.e. select s0.*, s1.* from S0 as s0, S1
// as s1)
// Thus there is only 1 unnamed stream selector maximum.
if (unnamedStreams.size() > 1) {
throw new ExprValidationException(
"A column name must be supplied for all but one stream if multiple streams are selected via the stream.* notation");
}
if (selectedStreams.isEmpty() && selectionList.isEmpty() && !isUsingWildcard) {
throw new IllegalArgumentException("Empty selection list not supported");
}
for (SelectClauseExprCompiledSpec entry : selectionList) {
if (entry.getAssignedName() == null) {
throw new IllegalArgumentException(
"Expected name for each expression has not been supplied");
}
}
// Verify insert into clause
if (insertIntoDesc != null) {
verifyInsertInto(insertIntoDesc, selectionList);
}
// Build a subordinate wildcard processor for joins
SelectExprProcessor joinWildcardProcessor = null;
if (typeService.getStreamNames().length > 1 && isUsingWildcard) {
joinWildcardProcessor =
SelectExprJoinWildcardProcessorFactory.create(
assignedTypeNumberStack,
statementId,
typeService.getStreamNames(),
typeService.getEventTypes(),
eventAdapterService,
null,
selectExprEventTypeRegistry,
methodResolutionService,
annotations,
configuration);
}
// Resolve underlying event type in the case of wildcard select
EventType eventType = null;
boolean singleStreamWrapper = false;
if (isUsingWildcard) {
if (joinWildcardProcessor != null) {
eventType = joinWildcardProcessor.getResultEventType();
} else {
eventType = typeService.getEventTypes()[0];
if (eventType instanceof WrapperEventType) {
singleStreamWrapper = true;
}
}
}
// Get expression nodes
ExprEvaluator[] exprEvaluators = new ExprEvaluator[selectionList.size()];
ExprNode[] exprNodes = new ExprNode[selectionList.size()];
Object[] expressionReturnTypes = new Object[selectionList.size()];
for (int i = 0; i < selectionList.size(); i++) {
ExprNode expr = selectionList.get(i).getSelectExpression();
exprNodes[i] = expr;
exprEvaluators[i] = expr.getExprEvaluator();
Map<String, Object> eventTypeExpr = exprEvaluators[i].getEventType();
if (eventTypeExpr == null) {
expressionReturnTypes[i] = exprEvaluators[i].getType();
} else {
final ExprEvaluator innerExprEvaluator = expr.getExprEvaluator();
final EventType mapType =
eventAdapterService.createAnonymousMapType(
statementId
+ "_innereval_"
+ CollectionUtil.toString(assignedTypeNumberStack, "_")
+ "_"
+ i,
eventTypeExpr);
ExprEvaluator evaluatorFragment =
new ExprEvaluator() {
public Object evaluate(
EventBean[] eventsPerStream,
boolean isNewData,
ExprEvaluatorContext exprEvaluatorContext) {
Map<String, Object> values =
(Map<String, Object>)
innerExprEvaluator.evaluate(
eventsPerStream, isNewData, exprEvaluatorContext);
if (values == null) {
values = Collections.emptyMap();
}
return eventAdapterService.adapterForTypedMap(values, mapType);
}
public Class getType() {
return Map.class;
}
public Map<String, Object> getEventType() {
return null;
}
};
expressionReturnTypes[i] = mapType;
exprEvaluators[i] = evaluatorFragment;
}
}
// Get column names
String[] columnNames;
String[] columnNamesAsProvided;
if ((insertIntoDesc != null) && (!insertIntoDesc.getColumnNames().isEmpty())) {
columnNames =
insertIntoDesc
.getColumnNames()
.toArray(new String[insertIntoDesc.getColumnNames().size()]);
columnNamesAsProvided = columnNames;
} else if (!selectedStreams.isEmpty()) { // handle stream selection column names
int numStreamColumnsJoin = 0;
if (isUsingWildcard && typeService.getEventTypes().length > 1) {
numStreamColumnsJoin = typeService.getEventTypes().length;
}
columnNames = new String[selectionList.size() + namedStreams.size() + numStreamColumnsJoin];
columnNamesAsProvided = new String[columnNames.length];
int count = 0;
for (SelectClauseExprCompiledSpec aSelectionList : selectionList) {
columnNames[count] = aSelectionList.getAssignedName();
columnNamesAsProvided[count] = aSelectionList.getProvidedName();
count++;
}
for (SelectClauseStreamCompiledSpec aSelectionList : namedStreams) {
columnNames[count] = aSelectionList.getOptionalName();
columnNamesAsProvided[count] = aSelectionList.getOptionalName();
count++;
}
// for wildcard joins, add the streams themselves
if (isUsingWildcard && typeService.getEventTypes().length > 1) {
for (String streamName : typeService.getStreamNames()) {
columnNames[count] = streamName;
columnNamesAsProvided[count] = streamName;
count++;
}
}
} else // handle regular column names
{
columnNames = new String[selectionList.size()];
columnNamesAsProvided = new String[selectionList.size()];
for (int i = 0; i < selectionList.size(); i++) {
columnNames[i] = selectionList.get(i).getAssignedName();
columnNamesAsProvided[i] = selectionList.get(i).getProvidedName();
}
}
// Find if there is any fragments selected
EventType targetType = null;
if (insertIntoDesc != null) {
targetType = eventAdapterService.getExistsTypeByName(insertIntoDesc.getEventTypeName());
}
// Find if there is any fragment event types:
// This is a special case for fragments: select a, b from pattern [a=A -> b=B]
// We'd like to maintain 'A' and 'B' EventType in the Map type, and 'a' and 'b' EventBeans in
// the event bean
for (int i = 0; i < selectionList.size(); i++) {
if (!(exprNodes[i] instanceof ExprIdentNode)) {
continue;
}
ExprIdentNode identNode = (ExprIdentNode) exprNodes[i];
String propertyName = identNode.getResolvedPropertyName();
final int streamNum = identNode.getStreamId();
EventType eventTypeStream = typeService.getEventTypes()[streamNum];
if (eventTypeStream instanceof NativeEventType) {
continue; // we do not transpose the native type for performance reasons
}
FragmentEventType fragmentType = eventTypeStream.getFragmentType(propertyName);
if ((fragmentType == null) || (fragmentType.isNative())) {
continue; // we also ignore native Java classes as fragments for performance reasons
}
// may need to unwrap the fragment if the target type has this underlying type
FragmentEventType targetFragment = null;
if (targetType != null) {
targetFragment = targetType.getFragmentType(columnNames[i]);
}
if ((targetType != null)
&& (fragmentType.getFragmentType().getUnderlyingType() == expressionReturnTypes[i])
&& ((targetFragment == null) || (targetFragment != null && targetFragment.isNative()))) {
ExprEvaluator evaluatorFragment;
// A match was found, we replace the expression
final EventPropertyGetter getter = eventTypeStream.getGetter(propertyName);
final Class returnType = eventTypeStream.getPropertyType(propertyName);
evaluatorFragment =
new ExprEvaluator() {
public Object evaluate(
EventBean[] eventsPerStream,
boolean isNewData,
ExprEvaluatorContext exprEvaluatorContext) {
EventBean streamEvent = eventsPerStream[streamNum];
if (streamEvent == null) {
return null;
}
return getter.get(streamEvent);
}
public Class getType() {
return returnType;
}
@Override
public Map<String, Object> getEventType() {
return null;
}
};
exprEvaluators[i] = evaluatorFragment;
}
// same for arrays: may need to unwrap the fragment if the target type has this underlying
// type
else if ((targetType != null)
&& expressionReturnTypes[i] instanceof Class
&& (fragmentType.getFragmentType().getUnderlyingType()
== ((Class) expressionReturnTypes[i]).getComponentType())
&& ((targetFragment == null) || (targetFragment != null && targetFragment.isNative()))) {
ExprEvaluator evaluatorFragment;
final EventPropertyGetter getter = eventTypeStream.getGetter(propertyName);
final Class returnType =
JavaClassHelper.getArrayType(eventTypeStream.getPropertyType(propertyName));
evaluatorFragment =
new ExprEvaluator() {
public Object evaluate(
EventBean[] eventsPerStream,
boolean isNewData,
ExprEvaluatorContext exprEvaluatorContext) {
EventBean streamEvent = eventsPerStream[streamNum];
if (streamEvent == null) {
return null;
}
return getter.get(streamEvent);
}
public Class getType() {
return returnType;
}
@Override
public Map<String, Object> getEventType() {
return null;
}
};
exprEvaluators[i] = evaluatorFragment;
} else {
ExprEvaluator evaluatorFragment;
final EventPropertyGetter getter = eventTypeStream.getGetter(propertyName);
final Class returnType =
eventTypeStream.getFragmentType(propertyName).getFragmentType().getUnderlyingType();
// A match was found, we replace the expression
evaluatorFragment =
new ExprEvaluator() {
public Object evaluate(
EventBean[] eventsPerStream,
boolean isNewData,
ExprEvaluatorContext exprEvaluatorContext) {
EventBean streamEvent = eventsPerStream[streamNum];
if (streamEvent == null) {
return null;
}
return getter.getFragment(streamEvent);
}
public Class getType() {
return returnType;
}
public Map<String, Object> getEventType() {
return null;
}
};
exprEvaluators[i] = evaluatorFragment;
if (!fragmentType.isIndexed()) {
expressionReturnTypes[i] = fragmentType.getFragmentType();
} else {
expressionReturnTypes[i] = new EventType[] {fragmentType.getFragmentType()};
}
}
}
// Find if there is any stream expression (ExprStreamNode) :
// This is a special case for stream selection: select a, b from A as a, B as b
// We'd like to maintain 'A' and 'B' EventType in the Map type, and 'a' and 'b' EventBeans in
// the event bean
for (int i = 0; i < selectionList.size(); i++) {
if (!(exprEvaluators[i] instanceof ExprStreamUnderlyingNode)) {
continue;
}
ExprStreamUnderlyingNode undNode = (ExprStreamUnderlyingNode) exprEvaluators[i];
final int streamNum = undNode.getStreamId();
final Class returnType = undNode.getExprEvaluator().getType();
EventType eventTypeStream = typeService.getEventTypes()[streamNum];
// A match was found, we replace the expression
ExprEvaluator evaluator =
new ExprEvaluator() {
public Object evaluate(
EventBean[] eventsPerStream,
boolean isNewData,
ExprEvaluatorContext exprEvaluatorContext) {
return eventsPerStream[streamNum];
}
public Class getType() {
return returnType;
}
public Map<String, Object> getEventType() {
return null;
}
};
exprEvaluators[i] = evaluator;
expressionReturnTypes[i] = eventTypeStream;
}
// Build event type that reflects all selected properties
Map<String, Object> selPropertyTypes = new LinkedHashMap<String, Object>();
int count = 0;
for (int i = 0; i < exprEvaluators.length; i++) {
Object expressionReturnType = expressionReturnTypes[count];
selPropertyTypes.put(columnNames[count], expressionReturnType);
count++;
}
if (!selectedStreams.isEmpty()) {
for (SelectClauseStreamCompiledSpec element : namedStreams) {
EventType eventTypeStream = typeService.getEventTypes()[element.getStreamNumber()];
selPropertyTypes.put(columnNames[count], eventTypeStream);
count++;
}
if (isUsingWildcard && typeService.getEventTypes().length > 1) {
for (int i = 0; i < typeService.getEventTypes().length; i++) {
EventType eventTypeStream = typeService.getEventTypes()[i];
selPropertyTypes.put(columnNames[count], eventTypeStream);
count++;
}
}
}
// Handle stream selection
EventType underlyingEventType = null;
int underlyingStreamNumber = 0;
boolean underlyingIsFragmentEvent = false;
EventPropertyGetter underlyingPropertyEventGetter = null;
ExprEvaluator underlyingExprEvaluator = null;
boolean useMapOutput =
EventRepresentationUtil.isMap(
annotations, configuration, CreateSchemaDesc.AssignedType.NONE);
if (!selectedStreams.isEmpty()) {
// Resolve underlying event type in the case of wildcard or non-named stream select.
// Determine if the we are considering a tagged event or a stream name.
if ((isUsingWildcard) || (!unnamedStreams.isEmpty())) {
if (!unnamedStreams.isEmpty()) {
if (unnamedStreams.get(0).getStreamSelected() != null) {
SelectClauseStreamCompiledSpec streamSpec = unnamedStreams.get(0).getStreamSelected();
// the tag.* syntax for : select tag.* from pattern [tag = A]
underlyingStreamNumber = streamSpec.getStreamNumber();
if (streamSpec.isFragmentEvent()) {
EventType compositeMap = typeService.getEventTypes()[underlyingStreamNumber];
FragmentEventType fragment = compositeMap.getFragmentType(streamSpec.getStreamName());
underlyingEventType = fragment.getFragmentType();
underlyingIsFragmentEvent = true;
}
// the property.* syntax for : select property.* from A
else if (streamSpec.isProperty()) {
String propertyName = streamSpec.getStreamName();
Class propertyType = streamSpec.getPropertyType();
int streamNumber = streamSpec.getStreamNumber();
if (JavaClassHelper.isJavaBuiltinDataType(streamSpec.getPropertyType())) {
throw new ExprValidationException(
"The property wildcard syntax cannot be used on built-in types as returned by property '"
+ propertyName
+ "'");
}
// create or get an underlying type for that Class
underlyingEventType =
eventAdapterService.addBeanType(
propertyType.getName(), propertyType, false, false, false);
selectExprEventTypeRegistry.add(underlyingEventType);
underlyingPropertyEventGetter =
typeService.getEventTypes()[streamNumber].getGetter(propertyName);
if (underlyingPropertyEventGetter == null) {
throw new ExprValidationException(
"Unexpected error resolving property getter for property " + propertyName);
}
}
// the stream.* syntax for: select a.* from A as a
else {
underlyingEventType = typeService.getEventTypes()[underlyingStreamNumber];
}
}
// handle case where the unnamed stream is a "transpose" function
else {
ExprNode expression =
unnamedStreams.get(0).getExpressionSelectedAsStream().getSelectExpression();
Class returnType = expression.getExprEvaluator().getType();
underlyingEventType =
eventAdapterService.addBeanType(
returnType.getName(), returnType, false, false, false);
selectExprEventTypeRegistry.add(underlyingEventType);
underlyingExprEvaluator = expression.getExprEvaluator();
}
} else {
// no un-named stream selectors, but a wildcard was specified
if (typeService.getEventTypes().length == 1) {
// not a join, we are using the selected event
underlyingEventType = typeService.getEventTypes()[0];
if (underlyingEventType instanceof WrapperEventType) {
singleStreamWrapper = true;
}
} else {
// For joins, all results are placed in a map with properties for each stream
underlyingEventType = null;
}
}
}
}
SelectExprContext selectExprContext =
new SelectExprContext(exprEvaluators, columnNames, eventAdapterService);
if (insertIntoDesc == null) {
if (!selectedStreams.isEmpty()) {
EventType resultEventType;
if (underlyingEventType != null) {
resultEventType =
eventAdapterService.createAnonymousWrapperType(
statementId + "_wrapout_" + CollectionUtil.toString(assignedTypeNumberStack, "_"),
underlyingEventType,
selPropertyTypes);
return new EvalSelectStreamWUnderlying(
selectExprContext,
resultEventType,
namedStreams,
isUsingWildcard,
unnamedStreams,
singleStreamWrapper,
underlyingIsFragmentEvent,
underlyingStreamNumber,
underlyingPropertyEventGetter,
underlyingExprEvaluator);
} else {
resultEventType =
eventAdapterService.createAnonymousMapType(
statementId + "_mapout_" + CollectionUtil.toString(assignedTypeNumberStack, "_"),
selPropertyTypes);
return new EvalSelectStreamNoUnderlyingMap(
selectExprContext, resultEventType, namedStreams, isUsingWildcard);
}
}
if (isUsingWildcard) {
EventType resultEventType =
eventAdapterService.createAnonymousWrapperType(
statementId
+ "_wrapoutwild_"
+ CollectionUtil.toString(assignedTypeNumberStack, "_"),
eventType,
selPropertyTypes);
if (singleStreamWrapper) {
return new EvalSelectWildcardSSWrapper(selectExprContext, resultEventType);
}
if (joinWildcardProcessor == null) {
return new EvalSelectWildcard(selectExprContext, resultEventType);
}
return new EvalSelectWildcardJoin(
selectExprContext, resultEventType, joinWildcardProcessor);
}
EventType resultEventType;
if (!useMapOutput) {
resultEventType =
eventAdapterService.createAnonymousObjectArrayType(
statementId + "_result_" + CollectionUtil.toString(assignedTypeNumberStack, "_"),
selPropertyTypes);
} else {
resultEventType =
eventAdapterService.createAnonymousMapType(
statementId + "_result_" + CollectionUtil.toString(assignedTypeNumberStack, "_"),
selPropertyTypes);
}
if (selectExprContext.getExpressionNodes().length == 0) {
return new EvalSelectNoWildcardEmptyProps(selectExprContext, resultEventType);
} else {
if (!useMapOutput) {
return new EvalSelectNoWildcardObjectArray(selectExprContext, resultEventType);
}
return new EvalSelectNoWildcardMap(selectExprContext, resultEventType);
}
}
EventType vaeInnerEventType = null;
boolean singleColumnWrapOrBeanCoercion =
false; // Additional single-column coercion for non-wrapped type done by
// SelectExprInsertEventBeanFactory
boolean isRevisionEvent = false;
try {
if (!selectedStreams.isEmpty()) {
EventType resultEventType;
if (underlyingEventType
!= null) // a single stream was selected via "stream.*" and there is no column name
{
// recast as a Map-type
if (underlyingEventType instanceof MapEventType && targetType instanceof MapEventType) {
return new EvalSelectStreamWUnderlyingRecastMap(
selectExprContext,
selectedStreams.get(0).getStreamSelected().getStreamNumber(),
targetType);
}
// recast as a Object-array-type
if (underlyingEventType instanceof ObjectArrayEventType
&& targetType instanceof ObjectArrayEventType) {
return new EvalSelectStreamWUnderlyingRecastObjectArray(
selectExprContext,
selectedStreams.get(0).getStreamSelected().getStreamNumber(),
targetType);
}
// recast as a Bean-type
if (underlyingEventType instanceof BeanEventType && targetType instanceof BeanEventType) {
SelectClauseExprCompiledSpec expressionAsStream =
selectedStreams.get(0).getExpressionSelectedAsStream();
if (expressionAsStream != null) {
return new EvalSelectStreamWUnderlyingRecastBean(
selectExprContext,
expressionAsStream,
underlyingEventType,
targetType,
exprEvaluators.length);
} else {
return new EvalInsertBeanRecast(
targetType,
eventAdapterService,
selectedStreams.get(0).getStreamSelected().getStreamNumber(),
typeService.getEventTypes());
}
}
// wrap if no recast possible
resultEventType =
eventAdapterService.addWrapperType(
insertIntoDesc.getEventTypeName(),
underlyingEventType,
selPropertyTypes,
false,
true);
return new EvalSelectStreamWUnderlying(
selectExprContext,
resultEventType,
namedStreams,
isUsingWildcard,
unnamedStreams,
singleStreamWrapper,
underlyingIsFragmentEvent,
underlyingStreamNumber,
underlyingPropertyEventGetter,
underlyingExprEvaluator);
} else // there are one or more streams selected with column name such as "stream.* as
// columnOne"
{
EventType existingType =
eventAdapterService.getExistsTypeByName(insertIntoDesc.getEventTypeName());
if (existingType instanceof BeanEventType) {
String name = selectedStreams.get(0).getStreamSelected().getStreamName();
String alias = selectedStreams.get(0).getStreamSelected().getOptionalName();
String syntaxUsed = name + ".*" + (alias != null ? " as " + alias : "");
String syntaxInstead = name + (alias != null ? " as " + alias : "");
throw new ExprValidationException(
"The '"
+ syntaxUsed
+ "' syntax is not allowed when inserting into an existing bean event type, use the '"
+ syntaxInstead
+ "' syntax instead");
}
if (existingType == null || existingType instanceof MapEventType) {
resultEventType =
eventAdapterService.addNestableMapType(
insertIntoDesc.getEventTypeName(),
selPropertyTypes,
null,
false,
false,
false,
false,
true);
Set<String> propertiesToUnwrap =
getEventBeanToObjectProps(selPropertyTypes, resultEventType);
if (propertiesToUnwrap.isEmpty()) {
return new EvalSelectStreamNoUnderlyingMap(
selectExprContext, resultEventType, namedStreams, isUsingWildcard);
} else {
return new EvalSelectStreamNoUndWEventBeanToObj(
selectExprContext,
resultEventType,
namedStreams,
isUsingWildcard,
propertiesToUnwrap);
}
} else {
Set<String> propertiesToUnwrap =
getEventBeanToObjectProps(selPropertyTypes, existingType);
if (propertiesToUnwrap.isEmpty()) {
return new EvalSelectStreamNoUnderlyingObjectArray(
selectExprContext, existingType, namedStreams, isUsingWildcard);
} else {
return new EvalSelectStreamNoUndWEventBeanToObjObjArray(
selectExprContext,
existingType,
namedStreams,
isUsingWildcard,
propertiesToUnwrap);
}
}
}
}
ValueAddEventProcessor vaeProcessor =
valueAddEventService.getValueAddProcessor(insertIntoDesc.getEventTypeName());
EventType resultEventType;
if (isUsingWildcard) {
if (vaeProcessor != null) {
resultEventType = vaeProcessor.getValueAddEventType();
isRevisionEvent = true;
vaeProcessor.validateEventType(eventType);
} else {
EventType existingType =
eventAdapterService.getExistsTypeByName(insertIntoDesc.getEventTypeName());
SelectExprProcessor existingTypeProcessor = null;
if (existingType != null) {
// we may get away with re-casting an existing bean-event-type event to another
// bean-event-type
if ((existingType instanceof BeanEventType)
&& (typeService.getEventTypes()[0] instanceof BeanEventType)
&& (selPropertyTypes.isEmpty())) {
return new EvalInsertBeanRecast(
existingType, eventAdapterService, 0, typeService.getEventTypes());
}
if ((existingType instanceof WrapperEventType)
&& (typeService.getEventTypes()[0] instanceof BeanEventType)
&& (exprEvaluators.length == 0)) {
WrapperEventType wrapperType = (WrapperEventType) existingType;
if (wrapperType.getUnderlyingEventType() instanceof BeanEventType) {
return new EvalInsertBeanWrapRecast(
wrapperType, eventAdapterService, 0, typeService.getEventTypes());
}
}
existingTypeProcessor =
SelectExprInsertEventBeanFactory.getInsertUnderlyingNonJoin(
eventAdapterService,
existingType,
isUsingWildcard,
typeService,
exprEvaluators,
columnNames,
expressionReturnTypes,
methodResolutionService.getEngineImportService(),
insertIntoDesc,
columnNamesAsProvided);
}
if (existingTypeProcessor != null) {
return existingTypeProcessor;
} else if (existingType != null
&& selPropertyTypes.isEmpty()
&& existingType instanceof MapEventType) {
resultEventType = existingType;
return new EvalInsertCoercionMap(resultEventType, eventAdapterService);
} else if (existingType != null
&& selPropertyTypes.isEmpty()
&& existingType instanceof ObjectArrayEventType) {
resultEventType = existingType;
return new EvalInsertCoercionObjectArray(resultEventType, eventAdapterService);
} else if (selPropertyTypes.isEmpty() && eventType instanceof BeanEventType) {
BeanEventType beanEventType = (BeanEventType) eventType;
resultEventType =
eventAdapterService.addBeanTypeByName(
insertIntoDesc.getEventTypeName(), beanEventType.getUnderlyingType(), false);
} else {
resultEventType =
eventAdapterService.addWrapperType(
insertIntoDesc.getEventTypeName(), eventType, selPropertyTypes, false, true);
}
}
if (singleStreamWrapper) {
if (!isRevisionEvent) {
return new EvalInsertWildcardSSWrapper(selectExprContext, resultEventType);
} else {
return new EvalInsertWildcardSSWrapperRevision(
selectExprContext, resultEventType, vaeProcessor);
}
}
if (joinWildcardProcessor == null) {
if (!isRevisionEvent) {
if (resultEventType instanceof WrapperEventType) {
return new EvalInsertWildcardWrapper(selectExprContext, resultEventType);
} else {
return new EvalInsertWildcardBean(selectExprContext, resultEventType);
}
} else {
if (exprEvaluators.length == 0) {
return new EvalInsertWildcardRevision(
selectExprContext, resultEventType, vaeProcessor);
} else {
EventType wrappingEventType =
eventAdapterService.addWrapperType(
insertIntoDesc.getEventTypeName() + "_wrapped",
eventType,
selPropertyTypes,
false,
true);
return new EvalInsertWildcardRevisionWrapper(
selectExprContext, resultEventType, vaeProcessor, wrappingEventType);
}
}
} else {
if (!isRevisionEvent) {
return new EvalInsertWildcardJoin(
selectExprContext, resultEventType, joinWildcardProcessor);
} else {
return new EvalInsertWildcardJoinRevision(
selectExprContext, resultEventType, joinWildcardProcessor, vaeProcessor);
}
}
}
// not using wildcard
resultEventType = null;
if ((columnNames.length == 1) && (insertIntoDesc.getColumnNames().size() == 0)) {
EventType existingType =
eventAdapterService.getExistsTypeByName(insertIntoDesc.getEventTypeName());
if (existingType != null) {
// check if the existing type and new type are compatible
Object columnOneType = expressionReturnTypes[0];
if (existingType instanceof WrapperEventType) {
WrapperEventType wrapperType = (WrapperEventType) existingType;
// Map and Object both supported
if (wrapperType.getUnderlyingEventType().getUnderlyingType() == columnOneType) {
singleColumnWrapOrBeanCoercion = true;
resultEventType = existingType;
}
}
if ((existingType instanceof BeanEventType) && (columnOneType instanceof Class)) {
BeanEventType beanType = (BeanEventType) existingType;
// Map and Object both supported
if (JavaClassHelper.isSubclassOrImplementsInterface(
(Class) columnOneType, beanType.getUnderlyingType())) {
singleColumnWrapOrBeanCoercion = true;
resultEventType = existingType;
}
}
}
}
if (singleColumnWrapOrBeanCoercion) {
if (!isRevisionEvent) {
if (resultEventType instanceof WrapperEventType) {
WrapperEventType wrapper = (WrapperEventType) resultEventType;
if (wrapper.getUnderlyingEventType() instanceof MapEventType) {
return new EvalInsertNoWildcardSingleColCoercionMapWrap(
selectExprContext, resultEventType);
} else if (wrapper.getUnderlyingEventType() instanceof ObjectArrayEventType) {
return new EvalInsertNoWildcardSingleColCoercionObjectArrayWrap(
selectExprContext, resultEventType);
} else if (wrapper.getUnderlyingEventType() instanceof VariantEventType) {
VariantEventType variantEventType =
(VariantEventType) wrapper.getUnderlyingEventType();
vaeProcessor = valueAddEventService.getValueAddProcessor(variantEventType.getName());
return new EvalInsertNoWildcardSingleColCoercionBeanWrapVariant(
selectExprContext, resultEventType, vaeProcessor);
} else {
return new EvalInsertNoWildcardSingleColCoercionBeanWrap(
selectExprContext, resultEventType);
}
} else {
if (resultEventType instanceof BeanEventType) {
return new EvalInsertNoWildcardSingleColCoercionBean(
selectExprContext, resultEventType);
}
}
} else {
if (resultEventType instanceof MapEventType) {
return new EvalInsertNoWildcardSingleColCoercionRevisionMap(
selectExprContext, resultEventType, vaeProcessor, vaeInnerEventType);
} else if (resultEventType instanceof ObjectArrayEventType) {
return new EvalInsertNoWildcardSingleColCoercionRevisionObjectArray(
selectExprContext, resultEventType, vaeProcessor, vaeInnerEventType);
} else if (resultEventType instanceof BeanEventType) {
return new EvalInsertNoWildcardSingleColCoercionRevisionBean(
selectExprContext, resultEventType, vaeProcessor, vaeInnerEventType);
} else {
return new EvalInsertNoWildcardSingleColCoercionRevisionBeanWrap(
selectExprContext, resultEventType, vaeProcessor, vaeInnerEventType);
}
}
}
if (resultEventType == null) {
if (vaeProcessor != null) {
// Use an anonymous type if the target is not a variant stream
if (valueAddEventService.getValueAddProcessor(insertIntoDesc.getEventTypeName())
== null) {
resultEventType =
eventAdapterService.createAnonymousMapType(
statementId + "_vae_" + CollectionUtil.toString(assignedTypeNumberStack, "_"),
selPropertyTypes);
} else {
String statementName = "stmt_" + statementId + "_insert";
resultEventType =
eventAdapterService.addNestableMapType(
statementName, selPropertyTypes, null, false, false, false, false, true);
}
} else {
EventType existingType =
eventAdapterService.getExistsTypeByName(insertIntoDesc.getEventTypeName());
if (existingType == null) {
// The type may however be an auto-import or fully-qualified class name
Class clazz = null;
try {
clazz = this.methodResolutionService.resolveClass(insertIntoDesc.getEventTypeName());
} catch (EngineImportException e) {
log.debug(
"Target stream name '"
+ insertIntoDesc.getEventTypeName()
+ "' is not resolved as a class name");
}
if (clazz != null) {
existingType =
eventAdapterService.addBeanType(clazz.getName(), clazz, false, false, false);
}
}
SelectExprProcessor selectExprInsertEventBean = null;
if (existingType != null) {
selectExprInsertEventBean =
SelectExprInsertEventBeanFactory.getInsertUnderlyingNonJoin(
eventAdapterService,
existingType,
isUsingWildcard,
typeService,
exprEvaluators,
columnNames,
expressionReturnTypes,
methodResolutionService.getEngineImportService(),
insertIntoDesc,
columnNamesAsProvided);
}
if (selectExprInsertEventBean != null) {
return selectExprInsertEventBean;
} else {
boolean useMap =
EventRepresentationUtil.isMap(
annotations, configuration, CreateSchemaDesc.AssignedType.NONE);
if (useMap) {
resultEventType =
eventAdapterService.addNestableMapType(
insertIntoDesc.getEventTypeName(),
selPropertyTypes,
null,
false,
false,
false,
false,
true);
} else {
resultEventType =
eventAdapterService.addNestableObjectArrayType(
insertIntoDesc.getEventTypeName(),
selPropertyTypes,
null,
false,
false,
false,
false,
true);
}
}
}
}
if (vaeProcessor != null) {
vaeProcessor.validateEventType(resultEventType);
vaeInnerEventType = resultEventType;
resultEventType = vaeProcessor.getValueAddEventType();
isRevisionEvent = true;
}
if (!isRevisionEvent) {
if (resultEventType instanceof MapEventType) {
return new EvalInsertNoWildcardMap(selectExprContext, resultEventType);
} else {
return new EvalInsertNoWildcardObjectArray(selectExprContext, resultEventType);
}
} else {
return new EvalInsertNoWildcardRevision(
selectExprContext, resultEventType, vaeProcessor, vaeInnerEventType);
}
} catch (EventAdapterException ex) {
log.debug("Exception provided by event adapter: " + ex.getMessage(), ex);
throw new ExprValidationException(ex.getMessage(), ex);
}
}
public EventPropertyGetter getGetter(final String property) {
EventPropertyGetter cachedGetter = propertyGetterCache.get(property);
if (cachedGetter != null) {
return cachedGetter;
}
if (underlyingMapType.isProperty(property) && (property.indexOf('?') == -1)) {
final EventPropertyGetter mapGetter = underlyingMapType.getGetter(property);
EventPropertyGetter getter =
new EventPropertyGetter() {
public Object get(EventBean theEvent) {
if (!(theEvent instanceof DecoratingEventBean)) {
throw new PropertyAccessException("Mismatched property getter to EventBean type");
}
DecoratingEventBean wrapperEvent = (DecoratingEventBean) theEvent;
Map map = wrapperEvent.getDecoratingProperties();
return mapGetter.get(eventAdapterService.adapterForTypedMap(map, underlyingMapType));
}
public boolean isExistsProperty(EventBean eventBean) {
return true; // Property exists as the property is not dynamic (unchecked)
}
public Object getFragment(EventBean theEvent) {
if (!(theEvent instanceof DecoratingEventBean)) {
throw new PropertyAccessException("Mismatched property getter to EventBean type");
}
DecoratingEventBean wrapperEvent = (DecoratingEventBean) theEvent;
Map map = wrapperEvent.getDecoratingProperties();
return mapGetter.getFragment(
eventAdapterService.adapterForTypedMap(map, underlyingMapType));
}
};
propertyGetterCache.put(property, getter);
return getter;
} else if (underlyingEventType.isProperty(property)) {
EventPropertyGetter getter =
new EventPropertyGetter() {
public Object get(EventBean theEvent) {
if (!(theEvent instanceof DecoratingEventBean)) {
throw new PropertyAccessException("Mismatched property getter to EventBean type");
}
DecoratingEventBean wrapperEvent = (DecoratingEventBean) theEvent;
EventBean wrappedEvent = wrapperEvent.getUnderlyingEvent();
if (wrappedEvent == null) {
return null;
}
EventPropertyGetter underlyingGetter = underlyingEventType.getGetter(property);
return underlyingGetter.get(wrappedEvent);
}
public boolean isExistsProperty(EventBean eventBean) {
return true; // Property exists as the property is not dynamic (unchecked)
}
public Object getFragment(EventBean theEvent) {
if (!(theEvent instanceof DecoratingEventBean)) {
throw new PropertyAccessException("Mismatched property getter to EventBean type");
}
DecoratingEventBean wrapperEvent = (DecoratingEventBean) theEvent;
EventBean wrappedEvent = wrapperEvent.getUnderlyingEvent();
if (wrappedEvent == null) {
return null;
}
EventPropertyGetter underlyingGetter = underlyingEventType.getGetter(property);
return underlyingGetter.getFragment(wrappedEvent);
}
};
propertyGetterCache.put(property, getter);
return getter;
} else {
return null;
}
}
