public int enlargeStream(
String streamName, List<ColumnNameTypeValue> columns, Boolean raiseException)
throws ServiceException {
int addedColumns = 0;
StreamDefinition streamMetaData = siddhiManager.getStreamDefinition(streamName);
for (ColumnNameTypeValue columnNameTypeValue : columns) {
if (!SiddhiUtils.columnAlreadyExistsInStream(
columnNameTypeValue.getColumn(), streamMetaData)) {
addedColumns++;
// JPFM -- Updating the columns in streamStatusDao
streamStatusDao.addColumn(streamName, columnNameTypeValue);
streamMetaData.attribute(
columnNameTypeValue.getColumn(), getSiddhiType(columnNameTypeValue.getType()));
} else {
if (raiseException) {
throw new ServiceException(
String.format(
"Alter stream error, Column %s already " + "exists.",
columnNameTypeValue.getColumn()));
}
}
}
return addedColumns;
}
@Test
public void testStreamDefinitionConversion() throws MalformedStreamDefinitionException {
StreamDefinition streamDef = new StreamDefinition("stockStream", "1.1.0");
List<Attribute> meta = new ArrayList<Attribute>(1);
meta.add(new Attribute("symbol", AttributeType.STRING));
List<Attribute> payload = new ArrayList<Attribute>(1);
payload.add(new Attribute("price", AttributeType.DOUBLE));
streamDef.setMetaData(meta);
streamDef.setPayloadData(payload);
org.wso2.siddhi.query.api.definition.StreamDefinition siddhiDefinition = null;
try {
siddhiDefinition =
EventProcessorUtil.convertToSiddhiStreamDefinition(streamDef, "stockStream");
} catch (EventStreamConfigurationException e) {
log.error(e);
}
Assert.assertEquals(siddhiDefinition.getAttributeList().size(), 2);
log.info(siddhiDefinition);
/*
StreamDefinition databrigeDefinition = EventProcessorUtil.convertToDatabridgeStreamDefinition(siddhiDefinition, "stockStream/1.1.0");
Assert.assertEquals(databrigeDefinition.getPayloadData().size(), 2);
log.info(databrigeDefinition);
*/
}
public void createInternalStream(String streamName, List<ColumnNameTypeValue> columns) {
StreamDefinition newStream = QueryFactory.createStreamDefinition().name(streamName);
for (ColumnNameTypeValue column : columns) {
newStream.attribute(column.getColumn(), getSiddhiType(column.getType()));
}
siddhiManager.defineStream(newStream);
streamStatusDao.createInferredStream(streamName, columns);
}
public String addQuery(String streamName, String queryString) {
String queryId = siddhiManager.addQuery(queryString);
streamStatusDao.addQuery(streamName, queryId, queryString);
for (StreamDefinition streamDefinition : siddhiManager.getStreamDefinitions()) {
// XXX refactor to obtain exactly siddhi inferred streams.
streamStatusDao.createInferredStream(
streamDefinition.getStreamId(),
castToColumnNameTypeValue(streamDefinition.getAttributeList()));
}
return queryId;
}
@Test
public void Test2() throws SiddhiParserException {
StreamDefinition streamDefinition =
SiddhiCompiler.parseStreamDefinition(
"define stream `define` ( `string` string, price int, volume float );");
Assert.assertEquals(
StreamDefinition.id("define")
.attribute("string", Attribute.Type.STRING)
.attribute("price", Attribute.Type.INT)
.attribute("volume", Attribute.Type.FLOAT)
.toString(),
streamDefinition.toString());
}
@Override
public void run() {
TCPEventPublisher tcpEventPublisher = null;
try {
tcpEventPublisher = new TCPEventPublisher("localhost:7612", isSynchronous, null);
tcpEventPublisher.addStreamDefinition(streamDefinition);
Thread.sleep(1000);
log.info("Starting event client to send events to localhost:7612");
for (int i = 0; i < eventsToSend; i++) {
tcpEventPublisher.sendEvent(
streamDefinition.getId(), System.currentTimeMillis(), dataProvider.getEvent(), true);
if (delay > 0) {
Thread.sleep(delay);
}
}
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} finally {
if (tcpEventPublisher != null) {
tcpEventPublisher.shutdown();
}
}
}
public List<StreamDefinition> getSiddhiStreams(
String[] inputStreamDefinitions, String queryExpressions) throws SiddhiParserException {
SiddhiManager siddhiManager = createMockSiddhiManager(inputStreamDefinitions, queryExpressions);
List<org.wso2.siddhi.query.api.definition.StreamDefinition> streamDefinitions =
siddhiManager.getStreamDefinitions();
List<StreamDefinition> databridgeStreamDefinitions =
new ArrayList<StreamDefinition>(streamDefinitions.size());
for (org.wso2.siddhi.query.api.definition.StreamDefinition siddhiStreamDef :
streamDefinitions) {
StreamConfiguration streamConfig = new StreamConfiguration(siddhiStreamDef.getStreamId());
StreamDefinition databridgeStreamDef =
EventProcessorUtil.convertToDatabridgeStreamDefinition(siddhiStreamDef, streamConfig);
databridgeStreamDefinitions.add(databridgeStreamDef);
}
siddhiManager.shutdown();
return databridgeStreamDefinitions;
}
@Test
public void testCreatingStreamDefinition() {
StreamDefinition streamDefinition =
SiddhiCompiler.parseStreamDefinition(
"define stream StockStream ( symbol string, price int, volume float );");
StreamDefinition api =
StreamDefinition.id("StockStream")
.attribute("symbol", Attribute.Type.STRING)
.attribute("price", Attribute.Type.INT)
.attribute("volume", Attribute.Type.FLOAT);
Assert.assertEquals(api, streamDefinition);
}
private static void populateAttributes(
org.wso2.siddhi.query.api.definition.StreamDefinition streamDefinition,
List<Attribute> attributes,
String prefix) {
if (attributes != null) {
for (Attribute attribute : attributes) {
org.wso2.siddhi.query.api.definition.Attribute siddhiAttribute =
EventProcessorUtil.convertToSiddhiAttribute(attribute, prefix);
streamDefinition.attribute(siddhiAttribute.getName(), siddhiAttribute.getType());
}
}
}
public List<StratioStreamingMessage> list() {
List<StratioStreamingMessage> result = new ArrayList<>();
for (StreamDefinition streamDefinition : siddhiManager.getStreamDefinitions()) {
if (suitableToList(streamDefinition.getStreamId())) {
StratioStreamingMessage message = new StratioStreamingMessage();
for (Attribute attribute : streamDefinition.getAttributeList()) {
message.addColumn(
new ColumnNameTypeValue(
attribute.getName(), this.getStreamingType(attribute.getType()), null));
}
StreamStatusDTO streamStatus = streamStatusDao.get(streamDefinition.getStreamId());
if (streamStatus != null) {
Map<String, QueryDTO> attachedQueries = streamStatus.getAddedQueries();
for (Map.Entry<String, QueryDTO> entry : attachedQueries.entrySet()) {
message.addQuery(new StreamQuery(entry.getKey(), entry.getValue().getQueryRaw()));
}
message.setUserDefined(streamStatus.getUserDefined());
message.setActiveActions(
streamStatusDao.getEnabledActions(streamDefinition.getStreamId()));
}
message.setStreamName(streamDefinition.getStreamId());
result.add(message);
}
}
return result;
}
@Test
public void testEqualObjects() throws SiddhiParserException {
StreamDefinition streamDefinition =
SiddhiCompiler.parseStreamDefinition(
"@Foo(name='bar','Custom')define stream cseStream ( symbol string, price int, volume float )");
Assert.assertEquals(
StreamDefinition.id("cseStream")
.attribute("symbol", Attribute.Type.STRING)
.attribute("price", Attribute.Type.INT)
.attribute("volume", Attribute.Type.FLOAT)
.annotation(Annotation.annotation("Foo").element("name", "bar").element("Custom")),
streamDefinition);
}
@Test
public void testCreatingStreamDefinition2() {
StreamDefinition streamDefinition =
SiddhiCompiler.parseStreamDefinition(
"define stream StockStream ( symbol string, price int, volume double, data Object );");
StreamDefinition api =
StreamDefinition.id("StockStream")
.attribute("symbol", Attribute.Type.STRING)
.attribute("price", Attribute.Type.INT)
.attribute("volume", Attribute.Type.DOUBLE)
.attribute("data", Attribute.Type.OBJECT);
Assert.assertEquals(api, streamDefinition);
}
@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
if (siddhiManager == null) {
init();
}
// Declaring output fileds for each exported stream ID
for (String streamId : exportedStreamIds) {
StreamDefinition streamDefinition = siddhiManager.getStreamDefinition(streamId);
if (streamDefinition == null) {
throw new RuntimeException("Cannot find exported stream - " + streamId);
}
List<String> list = new ArrayList<String>();
for (Attribute attribute : streamDefinition.getAttributeList()) {
list.add(attribute.getName());
}
Fields fields = new Fields(list);
declarer.declareStream(streamId, fields);
log.info("Declaring output field for stream -" + streamId);
}
}
public void addStreamDefinition(StreamDefinition streamDefinition) {
String streamId = streamDefinition.getId();
this.streamRuntimeInfoMap.put(
streamId, EventServerUtils.createStreamRuntimeInfo(streamDefinition));
}
public void addExecutionPlanConfiguration(
ExecutionPlanConfiguration executionPlanConfiguration, AxisConfiguration axisConfiguration)
throws ExecutionPlanDependencyValidationException, ExecutionPlanConfigurationException,
ServiceDependencyValidationException {
int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
Map<String, ExecutionPlan> tenantExecutionPlans = tenantSpecificExecutionPlans.get(tenantId);
if (tenantExecutionPlans == null) {
tenantExecutionPlans = new ConcurrentHashMap<String, ExecutionPlan>();
tenantSpecificExecutionPlans.put(tenantId, tenantExecutionPlans);
} else if (tenantExecutionPlans.get(executionPlanConfiguration.getName()) != null) {
// if an execution plan with the same name already exists, we are not going to override it
// with this plan.
throw new ExecutionPlanConfigurationException(
"Execution plan with the same name already exists. Please remove it and retry.");
}
// This iteration exists only as a check. Actual usage of imported stream configs is further
// down
for (StreamConfiguration streamConfiguration :
executionPlanConfiguration.getImportedStreams()) {
try {
StreamDefinition streamDefinition =
EventProcessorValueHolder.getEventStreamService()
.getStreamDefinition(streamConfiguration.getStreamId(), tenantId);
if (streamDefinition == null) {
throw new ExecutionPlanDependencyValidationException(
streamConfiguration.getStreamId(),
"Imported Stream " + streamConfiguration.getStreamId() + " does not exist");
}
} catch (EventStreamConfigurationException e) {
throw new ExecutionPlanConfigurationException(
"Error in retrieving stream ID : " + streamConfiguration.getStreamId());
}
}
// This iteration exists only as a check. Actual usage of exported stream configs is further
// down
for (StreamConfiguration streamConfiguration :
executionPlanConfiguration.getExportedStreams()) {
try {
StreamDefinition streamDefinition =
EventProcessorValueHolder.getEventStreamService()
.getStreamDefinition(streamConfiguration.getStreamId(), tenantId);
if (streamDefinition == null) {
throw new ExecutionPlanDependencyValidationException(
streamConfiguration.getStreamId(),
"Exported Stream " + streamConfiguration.getStreamId() + " does not exist");
}
} catch (EventStreamConfigurationException e) {
throw new ExecutionPlanConfigurationException(
"Error in retrieving stream ID : " + streamConfiguration.getStreamId());
}
}
Map<String, InputHandler> inputHandlerMap =
new ConcurrentHashMap<String, InputHandler>(
executionPlanConfiguration.getImportedStreams().size());
SiddhiConfiguration siddhiConfig =
getSiddhiConfigurationFor(executionPlanConfiguration, tenantId);
SiddhiManager siddhiManager =
getSiddhiManagerFor(executionPlanConfiguration, siddhiConfig, inputHandlerMap);
for (StreamConfiguration importedStreamConfiguration :
executionPlanConfiguration.getImportedStreams()) {
org.wso2.siddhi.query.api.definition.StreamDefinition siddhiStreamDefinition =
new org.wso2.siddhi.query.api.definition.StreamDefinition();
siddhiStreamDefinition.name(importedStreamConfiguration.getSiddhiStreamName());
StreamDefinition streamDefinition = null;
try {
streamDefinition =
EventProcessorValueHolder.getEventStreamService()
.getStreamDefinition(importedStreamConfiguration.getStreamId(), tenantId);
populateAttributes(
siddhiStreamDefinition,
streamDefinition.getMetaData(),
EventProcessorConstants.META + EventProcessorConstants.ATTRIBUTE_SEPARATOR);
populateAttributes(
siddhiStreamDefinition,
streamDefinition.getCorrelationData(),
EventProcessorConstants.CORRELATION + EventProcessorConstants.ATTRIBUTE_SEPARATOR);
populateAttributes(siddhiStreamDefinition, streamDefinition.getPayloadData(), "");
InputHandler inputHandler = siddhiManager.defineStream(siddhiStreamDefinition);
inputHandlerMap.put(streamDefinition.getStreamId(), inputHandler);
log.debug("input handler created for " + siddhiStreamDefinition.getStreamId());
} catch (EventStreamConfigurationException e) {
// ignored as this will not happen
}
}
for (StreamConfiguration exportedStreamConfiguration :
executionPlanConfiguration.getExportedStreams()) {
org.wso2.siddhi.query.api.definition.StreamDefinition siddhiStreamDefinition =
new org.wso2.siddhi.query.api.definition.StreamDefinition();
siddhiStreamDefinition.name(exportedStreamConfiguration.getSiddhiStreamName());
StreamDefinition streamDefinition = null;
try {
streamDefinition =
EventProcessorValueHolder.getEventStreamService()
.getStreamDefinition(exportedStreamConfiguration.getStreamId(), tenantId);
populateAttributes(
siddhiStreamDefinition,
streamDefinition.getMetaData(),
EventProcessorConstants.META + EventProcessorConstants.ATTRIBUTE_SEPARATOR);
populateAttributes(
siddhiStreamDefinition,
streamDefinition.getCorrelationData(),
EventProcessorConstants.CORRELATION + EventProcessorConstants.ATTRIBUTE_SEPARATOR);
populateAttributes(siddhiStreamDefinition, streamDefinition.getPayloadData(), "");
siddhiManager.defineStream(siddhiStreamDefinition);
log.debug("stream defined for " + siddhiStreamDefinition.getStreamId());
} catch (EventStreamConfigurationException e) {
// ignored as this will not happen
}
}
HAManager haManager = null;
String isDistributedProcessingEnabledString =
executionPlanConfiguration
.getSiddhiConfigurationProperties()
.get(EventProcessorConstants.SIDDHI_DISTRIBUTED_PROCESSING);
if (isDistributedProcessingEnabledString != null
&& isDistributedProcessingEnabledString.equalsIgnoreCase("RedundantNode")) {
haManager =
new HAManager(
EventProcessorValueHolder.getHazelcastInstance(),
executionPlanConfiguration.getName(),
tenantId,
siddhiManager,
inputHandlerMap.size(),
currentCepMembershipInfo);
}
try {
siddhiManager.addExecutionPlan(executionPlanConfiguration.getQueryExpressions());
} catch (Exception e) {
throw new ExecutionPlanConfigurationException(
"Invalid query specified, " + e.getMessage(), e);
}
ExecutionPlan executionPlan =
new ExecutionPlan(
executionPlanConfiguration.getName(),
siddhiManager,
executionPlanConfiguration,
haManager);
tenantExecutionPlans.put(executionPlanConfiguration.getName(), executionPlan);
// subscribe output to junction
SindhiStormOutputEventListener stormOutputListener = null;
if (isRunningOnStorm) {
stormOutputListener =
new SindhiStormOutputEventListener(executionPlanConfiguration, tenantId);
}
for (StreamConfiguration exportedStreamConfiguration :
executionPlanConfiguration.getExportedStreams()) {
SiddhiOutputStreamListener streamCallback;
if (haManager != null) {
streamCallback =
new SiddhiHAOutputStreamListener(
exportedStreamConfiguration.getSiddhiStreamName(),
exportedStreamConfiguration.getStreamId(),
executionPlanConfiguration,
tenantId);
haManager.addStreamCallback((SiddhiHAOutputStreamListener) streamCallback);
} else {
streamCallback =
new SiddhiOutputStreamListener(
exportedStreamConfiguration.getSiddhiStreamName(),
exportedStreamConfiguration.getStreamId(),
executionPlanConfiguration,
tenantId);
if (isRunningOnStorm) {
stormOutputListener.registerOutputStreamListener(
exportedStreamConfiguration.getSiddhiStreamName(), streamCallback);
}
}
siddhiManager.addCallback(exportedStreamConfiguration.getSiddhiStreamName(), streamCallback);
try {
EventProcessorValueHolder.getEventStreamService().subscribe(streamCallback, tenantId);
} catch (EventStreamConfigurationException e) {
// ignored as this will never happen
}
executionPlan.addProducer(streamCallback);
}
// subscribe input to junction
for (StreamConfiguration importedStreamConfiguration :
executionPlanConfiguration.getImportedStreams()) {
InputHandler inputHandler = inputHandlerMap.get(importedStreamConfiguration.getStreamId());
AbstractSiddhiInputEventDispatcher eventDispatcher = null;
if (haManager != null) {
eventDispatcher =
new SiddhiHAInputEventDispatcher(
importedStreamConfiguration.getStreamId(),
inputHandler,
executionPlanConfiguration,
tenantId,
haManager.getProcessThreadPoolExecutor(),
haManager.getThreadBarrier());
haManager.addInputEventDispatcher(
importedStreamConfiguration.getStreamId(),
(SiddhiHAInputEventDispatcher) eventDispatcher);
} else if (isRunningOnStorm) {
StreamDefinition streamDefinition = null;
try {
streamDefinition =
EventProcessorValueHolder.getEventStreamService()
.getStreamDefinition(importedStreamConfiguration.getStreamId(), tenantId);
} catch (EventStreamConfigurationException e) {
// Ignore as this would never happen
}
eventDispatcher =
new SiddhiStormInputEventDispatcher(
streamDefinition,
importedStreamConfiguration.getSiddhiStreamName(),
executionPlanConfiguration,
tenantId);
} else {
eventDispatcher =
new SiddhiInputEventDispatcher(
importedStreamConfiguration.getStreamId(),
inputHandler,
executionPlanConfiguration,
tenantId);
}
try {
EventProcessorValueHolder.getEventStreamService().subscribe(eventDispatcher, tenantId);
executionPlan.addConsumer(eventDispatcher);
} catch (EventStreamConfigurationException e) {
// ignored as this will never happen
}
}
if (haManager != null) {
haManager.init();
}
}
private static boolean validateSiddhiStreamWithDatabridgeStream(
String streamName,
String streamVersion,
org.wso2.siddhi.query.api.definition.StreamDefinition siddhiStreamDefinition)
throws ExecutionPlanConfigurationException, ExecutionPlanDependencyValidationException {
if (siddhiStreamDefinition == null) {
throw new ExecutionPlanDependencyValidationException(
streamName + EventProcessorConstants.STREAM_SEPARATOR + streamVersion,
"Cannot validate null Siddhi stream for the stream: "
+ streamName
+ EventProcessorConstants.STREAM_SEPARATOR
+ streamVersion
+ " ");
}
EventStreamService eventStreamService = EventProcessorValueHolder.getEventStreamService();
try {
StreamDefinition streamDefinition =
eventStreamService.getStreamDefinition(streamName, streamVersion);
if (streamDefinition != null) {
String siddhiAttributeName;
int attributeCount = 0;
int streamSize =
(streamDefinition.getMetaData() == null ? 0 : streamDefinition.getMetaData().size())
+ (streamDefinition.getCorrelationData() == null
? 0
: streamDefinition.getCorrelationData().size())
+ (streamDefinition.getPayloadData() == null
? 0
: streamDefinition.getPayloadData().size());
if (siddhiStreamDefinition.getAttributeList().size() != streamSize) {
throw new ExecutionPlanDependencyValidationException(
streamName + EventProcessorConstants.STREAM_SEPARATOR + streamVersion,
"No of attributes in stream "
+ streamName
+ EventProcessorConstants.STREAM_SEPARATOR
+ streamVersion
+ " do not match the no of attributes in Siddhi stream");
}
if (streamDefinition.getMetaData() != null) {
for (Attribute attribute : streamDefinition.getMetaData()) {
siddhiAttributeName = EventProcessorConstants.META_PREFIX + attribute.getName();
org.wso2.siddhi.query.api.definition.Attribute.Type type =
siddhiStreamDefinition.getAttributeType(siddhiAttributeName);
// null check for type not required since an exception is thrown by Siddhi
// StreamDefinition.getAttributeType() method for non-existent attributes
if (siddhiStreamDefinition.getAttributePosition(siddhiAttributeName)
!= attributeCount++) {
throw new ExecutionPlanDependencyValidationException(
streamName + EventProcessorConstants.STREAM_SEPARATOR + streamVersion,
"Stream "
+ streamName
+ EventProcessorConstants.STREAM_SEPARATOR
+ streamVersion
+ "; Attribute positions do not match for attribute: "
+ attribute.getName());
}
if (!isMatchingType(type, attribute.getType())) {
throw new ExecutionPlanDependencyValidationException(
streamName + EventProcessorConstants.STREAM_SEPARATOR + streamVersion,
"Stream "
+ streamName
+ EventProcessorConstants.STREAM_SEPARATOR
+ streamVersion
+ "; Type mismatch for attribute: "
+ attribute.getName());
}
}
}
if (streamDefinition.getCorrelationData() != null) {
for (Attribute attribute : streamDefinition.getCorrelationData()) {
siddhiAttributeName = EventProcessorConstants.CORRELATION_PREFIX + attribute.getName();
org.wso2.siddhi.query.api.definition.Attribute.Type type =
siddhiStreamDefinition.getAttributeType(siddhiAttributeName);
// null check for type not required since an exception is thrown by Siddhi
// StreamDefinition.getAttributeType() method for non-existent attributes
if (siddhiStreamDefinition.getAttributePosition(siddhiAttributeName)
!= attributeCount++) {
throw new ExecutionPlanDependencyValidationException(
streamName + EventProcessorConstants.STREAM_SEPARATOR + streamVersion,
"Stream "
+ streamName
+ EventProcessorConstants.STREAM_SEPARATOR
+ streamVersion
+ "; Attribute positions do not match for attribute: "
+ attribute.getName());
}
if (!isMatchingType(type, attribute.getType())) {
throw new ExecutionPlanDependencyValidationException(
streamName + EventProcessorConstants.STREAM_SEPARATOR + streamVersion,
"Stream "
+ streamName
+ EventProcessorConstants.STREAM_SEPARATOR
+ streamVersion
+ "; Type mismatch for attribute: "
+ attribute.getName());
}
}
}
if (streamDefinition.getPayloadData() != null) {
for (Attribute attribute : streamDefinition.getPayloadData()) {
siddhiAttributeName = attribute.getName();
org.wso2.siddhi.query.api.definition.Attribute.Type type =
siddhiStreamDefinition.getAttributeType(siddhiAttributeName);
// null check for type not required since an exception is thrown by Siddhi
// StreamDefinition.getAttributeType() method for non-existent attributes
if (siddhiStreamDefinition.getAttributePosition(siddhiAttributeName)
!= attributeCount++) {
throw new ExecutionPlanDependencyValidationException(
streamName + EventProcessorConstants.STREAM_SEPARATOR + streamVersion,
"Stream "
+ streamName
+ EventProcessorConstants.STREAM_SEPARATOR
+ streamVersion
+ "; Attribute positions do not match for attribute: "
+ attribute.getName());
}
if (!isMatchingType(type, attribute.getType())) {
throw new ExecutionPlanDependencyValidationException(
streamName + EventProcessorConstants.STREAM_SEPARATOR + streamVersion,
"Stream "
+ streamName
+ EventProcessorConstants.STREAM_SEPARATOR
+ streamVersion
+ "; Type mismatch for attribute: "
+ attribute.getName());
}
}
}
return true;
}
} catch (EventStreamConfigurationException e) {
throw new ExecutionPlanConfigurationException(
"Error while validating stream definition with store : " + e.getMessage(), e);
} catch (AttributeNotExistException e) {
throw new ExecutionPlanDependencyValidationException(
streamName + EventProcessorConstants.STREAM_SEPARATOR + streamVersion, e.getMessage());
}
throw new ExecutionPlanDependencyValidationException(
streamName + EventProcessorConstants.STREAM_SEPARATOR + streamVersion,
"Stream "
+ streamName
+ EventProcessorConstants.STREAM_SEPARATOR
+ streamVersion
+ " does not exist");
}