/**
* poplulate declared parameters on temp synapse properties
*
* @param synCtx
* @param templateQualifiedName
*/
private void populateParameters(MessageContext synCtx, String templateQualifiedName) {
Iterator<String> params = pName2ExpressionMap.keySet().iterator();
while (params.hasNext()) {
String parameter = params.next();
if (!"".equals(parameter)) {
Value expression = pName2ExpressionMap.get(parameter);
if (expression != null) {
EIPUtils.createSynapseEIPTemplateProperty(
synCtx, templateQualifiedName,
parameter, expression);
}
}
}
}
/**
* Get the aggregated message from the specified Aggregate instance
*
* @param aggregate the Aggregate object that holds collected messages and properties of the
* aggregation
* @return the aggregated message context
*/
private MessageContext getAggregatedMessage(Aggregate aggregate) {
MessageContext newCtx = null;
StatisticsRecord destinationStatRecord = null;
for (MessageContext synCtx : aggregate.getMessages()) {
if (newCtx == null) {
try {
newCtx = MessageHelper.cloneMessageContextForAggregateMediator(synCtx);
destinationStatRecord =
(StatisticsRecord) newCtx.getProperty(SynapseConstants.STATISTICS_STACK);
} catch (AxisFault axisFault) {
handleException("Error creating a copy of the message", axisFault, synCtx);
}
if (log.isDebugEnabled()) {
log.debug("Generating Aggregated message from : " + newCtx.getEnvelope());
}
} else {
try {
if (log.isDebugEnabled()) {
log.debug(
"Merging message : "
+ synCtx.getEnvelope()
+ " using XPath : "
+ aggregationExpression);
}
EIPUtils.enrichEnvelope(
newCtx.getEnvelope(), synCtx.getEnvelope(), synCtx, aggregationExpression);
if (destinationStatRecord != null
&& synCtx.getProperty(SynapseConstants.STATISTICS_STACK) != null) {
// Merge the statistics logs to one single message
// context.
mergeStatisticsRecords(
(StatisticsRecord) synCtx.getProperty(SynapseConstants.STATISTICS_STACK),
destinationStatRecord);
}
if (log.isDebugEnabled()) {
log.debug("Merged result : " + newCtx.getEnvelope());
}
} catch (JaxenException e) {
handleException(
"Error merging aggregation results using XPath : " + aggregationExpression.toString(),
e,
synCtx);
} catch (SynapseException e) {
handleException(
"Error evaluating expression: " + aggregationExpression.toString(), e, synCtx);
}
}
}
// Enclose with a parent element if EnclosingElement is defined
if (enclosingElementPropertyName != null) {
if (log.isDebugEnabled()) {
log.debug(
"Enclosing the aggregated message with enclosing element: "
+ enclosingElementPropertyName);
}
Object enclosingElementProperty = newCtx.getProperty(enclosingElementPropertyName);
if (enclosingElementProperty != null) {
if (enclosingElementProperty instanceof OMElement) {
OMElement enclosingElement = ((OMElement) enclosingElementProperty).cloneOMElement();
EIPUtils.encloseWithElement(newCtx.getEnvelope(), enclosingElement);
return newCtx;
} else {
handleException(
"Enclosing Element defined in the property: "
+ enclosingElementPropertyName
+ " is not an OMElement ",
newCtx);
}
} else {
handleException(
"Enclosing Element property: " + enclosingElementPropertyName + " not found ", newCtx);
}
}
if (MessageFlowTracingDataCollector.isMessageFlowTracingEnabled()) {
List<String> newMessageFlowTrace = new ArrayList<String>();
for (MessageContext synCtx : aggregate.getMessages()) {
List<String> messageFlowTrace =
(List<String>) synCtx.getProperty(MessageFlowTracerConstants.MESSAGE_FLOW);
if (null != messageFlowTrace) {
newMessageFlowTrace.addAll(messageFlowTrace);
}
}
newCtx.setProperty(MessageFlowTracerConstants.MESSAGE_FLOW, newMessageFlowTrace);
}
return newCtx;
}