/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.synapse.config.xml;
import org.apache.axiom.om.OMElement;
import org.apache.synapse.Mediator;
import org.apache.synapse.mediators.eip.aggregator.AggregateMediator;
/**
* Serializer for {@link AggregateMediator} instances.
*
* @see AggregateMediatorFactory
*/
public class AggregateMediatorSerializer extends AbstractMediatorSerializer {
public OMElement serializeSpecificMediator(Mediator m) {
AggregateMediator mediator = null;
if (!(m instanceof AggregateMediator)) {
handleException("Unsupported mediator passed in for serialization : " + m.getType());
} else {
mediator = (AggregateMediator) m;
}
assert mediator != null;
OMElement aggregator = fac.createOMElement("aggregate", synNS);
saveTracingState(aggregator, mediator);
if (mediator.getId() != null) {
aggregator.addAttribute("id", mediator.getId(), nullNS);
}
if (mediator.getCorrelateExpression() != null) {
OMElement corelateOn = fac.createOMElement("correlateOn", synNS);
SynapseXPathSerializer.serializeXPath(
mediator.getCorrelateExpression(), corelateOn, "expression");
aggregator.addChild(corelateOn);
}
OMElement completeCond = fac.createOMElement("completeCondition", synNS);
if (mediator.getCompletionTimeoutMillis() != 0) {
completeCond.addAttribute("timeout",
Long.toString(mediator.getCompletionTimeoutMillis() / 1000), nullNS);
}
OMElement messageCount = fac.createOMElement("messageCount", synNS);
if (mediator.getMinMessagesToComplete() != null) {
new ValueSerializer().serializeValue(
mediator.getMinMessagesToComplete(), "min", messageCount);
}
if (mediator.getMaxMessagesToComplete() != null) {
new ValueSerializer().serializeValue(
mediator.getMaxMessagesToComplete(), "max", messageCount);
}
completeCond.addChild(messageCount);
aggregator.addChild(completeCond);
OMElement onCompleteElem = fac.createOMElement("onComplete", synNS);
if (mediator.getAggregationExpression() != null) {
SynapseXPathSerializer.serializeXPath(
mediator.getAggregationExpression(), onCompleteElem, "expression");
}
if (mediator.getOnCompleteSequenceRef() != null) {
onCompleteElem.addAttribute("sequence", mediator.getOnCompleteSequenceRef(), nullNS);
} else if (mediator.getOnCompleteSequence() != null) {
new SequenceMediatorSerializer().serializeChildren(
onCompleteElem, mediator.getOnCompleteSequence().getList());
}
String enclosingElementPropertyName = mediator.getEnclosingElementPropertyName();
if (enclosingElementPropertyName != null) {
onCompleteElem.addAttribute("enclosingElementProperty", enclosingElementPropertyName,nullNS);
}
aggregator.addChild(onCompleteElem);
serializeComments(aggregator, mediator.getCommentsList());
return aggregator;
}
public String getMediatorClassName() {
return AggregateMediator.class.getName();
}
}