/*
* Copyright 2012 Research Studios Austria Forschungsges.m.b.H.
*
* Licensed 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 won.node.camel.processor.fixed;
import org.apache.camel.Exchange;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Isolation;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import won.node.camel.processor.AbstractCamelProcessor;
import won.node.camel.processor.annotation.FixedMessageProcessor;
import won.protocol.message.WonMessage;
import won.protocol.message.WonMessageBuilder;
import won.protocol.message.processor.camel.WonCamelConstants;
import won.protocol.vocabulary.WONMSG;
/**
* Processes responses to generated by the system and directed at the remote side.
*/
@Component
@FixedMessageProcessor(
direction = WONMSG.TYPE_FROM_SYSTEM_STRING,
messageType = WONMSG.TYPE_FAILURE_RESPONSE_STRING)
public class FailureResponseFromSystemToNodeProcessor extends AbstractCamelProcessor
{
@Override
@Transactional(propagation = Propagation.REQUIRED, isolation = Isolation.REPEATABLE_READ)
public void process(Exchange exchange) throws Exception {
WonMessage wonMessage = (WonMessage) exchange.getIn().getHeader(WonCamelConstants.MESSAGE_HEADER);
//prepare the message to pass to the remote node
final WonMessage newWonMessage = createMessageToSendToRemoteNode(wonMessage);
//put it into the 'outbound message' header (so the persister doesn't pick up the wrong one).
exchange.getIn().setHeader(WonCamelConstants.OUTBOUND_MESSAGE_HEADER, newWonMessage);
//add the information about the corresponding message to the local one
wonMessage.addMessageProperty(WONMSG.HAS_CORRESPONDING_REMOTE_MESSAGE, newWonMessage.getMessageURI());
//the persister will pick it up later
}
private WonMessage createMessageToSendToRemoteNode(WonMessage wonMessage) {
//create the message to send to the remote node
return WonMessageBuilder
.setPropertiesForPassingMessageToRemoteNode(
wonMessage,
wonNodeInformationService
.generateEventURI(wonMessage.getReceiverNodeURI()))
.build();
}
}