/**
* 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);
}
}
/**
* 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 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 + "'");
}
}
}