/*
* 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.ode.bpel.engine;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.ode.bpel.dao.MessageExchangeDAO;
import org.apache.ode.bpel.engine.replayer.Replayer;
import org.apache.ode.bpel.iapi.BpelEngineException;
import org.apache.ode.bpel.iapi.EndpointReference;
import org.apache.ode.bpel.iapi.Message;
import org.apache.ode.bpel.iapi.PartnerRoleChannel;
import org.apache.ode.bpel.iapi.PartnerRoleMessageExchange;
import org.apache.ode.bpel.iapi.Scheduler.JobDetails;
import org.apache.ode.bpel.iapi.Scheduler.JobType;
import org.apache.ode.utils.DOMUtils;
import org.w3c.dom.Element;
import javax.wsdl.Operation;
import javax.wsdl.PortType;
import javax.xml.namespace.QName;
public class PartnerRoleMessageExchangeImpl extends MessageExchangeImpl implements PartnerRoleMessageExchange {
private static final Log LOG = LogFactory.getLog(PartnerRoleMessageExchangeImpl.class);
private PartnerRoleChannel _channel;
private EndpointReference _myRoleEPR;
private int responsesReceived;
protected PartnerRoleMessageExchangeImpl(BpelEngineImpl engine, MessageExchangeDAO dao, PortType portType,
Operation operation,
EndpointReference epr,
EndpointReference myRoleEPR,
PartnerRoleChannel channel) {
super(engine, dao);
_myRoleEPR = myRoleEPR;
setPortOp(portType, operation);
_channel = channel;
}
public void replyOneWayOk() {
if (LOG.isDebugEnabled()) {
LOG.debug("replyOneWayOk mex=" + getMessageExchangeId());
}
setStatus(Status.ASYNC);
}
public void replyAsync() {
if (LOG.isDebugEnabled()) {
LOG.debug("replyAsync mex=" + getMessageExchangeId());
}
setStatus(Status.ASYNC);
}
public void replyWithFault(QName faultType, Message outputFaultMessage) throws BpelEngineException {
if (LOG.isDebugEnabled()) {
LOG.debug("replyWithFault mex=" + getMessageExchangeId());
}
boolean isAsync = isAsync();
setFault(faultType, outputFaultMessage);
if (isAsync)
continueAsync();
}
public void reply(Message response) throws BpelEngineException {
if (LOG.isDebugEnabled()) {
LOG.debug("reply mex=" + getMessageExchangeId());
}
boolean isAsync = isAsync();
setResponse(response);
if (isAsync)
continueAsync();
}
@Override
void setResponse(Message outputMessage) throws BpelEngineException {
// If pub-sub is enabled, we may receive multiple responses. In such cases,
// don't bail out if our status is already set to RESPONSE.
if (++responsesReceived > 1) {
if (getSubscriberCount() > 1 && getStatus() == Status.RESPONSE) {
return;
}
}
super.setResponse(outputMessage);
}
public void replyWithFailure(FailureType type, String description, Element details) throws BpelEngineException {
if (LOG.isDebugEnabled()) {
String msg = new StringBuilder("replyWithFailure mex=").append(getMessageExchangeId())
.append(" failureType=").append(type)
.append(" description=").append(description)
.append(" details=").append(details==null?null:DOMUtils.domToString(details))
.toString();
LOG.debug(msg);
}
boolean isAsync = isAsync();
setFailure(type, description, details);
if (isAsync)
continueAsync();
}
/**
* Continue from the ASYNC state.
*
*/
private void continueAsync() {
// If there is no channel waiting for us, there is nothing to do.
if (getDAO().getChannel() == null) {
if (LOG.isDebugEnabled()) {
LOG.debug("no channel on mex=" + getMessageExchangeId());
}
return;
}
if (LOG.isDebugEnabled()) {
LOG.debug("create work event for mex=" + getMessageExchangeId());
}
JobDetails we = new JobDetails();
we.setInstanceId(getDAO().getInstance().getInstanceId());
we.setType(JobType.INVOKE_RESPONSE);
we.setInMem(_engine._activeProcesses.get(getDAO().getProcess().getProcessId()).isInMemory());
we.setChannel(getDAO().getChannel());
we.setMexId(getDAO().getMessageExchangeId());
Replayer replayer = Replayer.replayer.get();
if (replayer == null) {
if (we.getInMem())
_engine._contexts.scheduler.scheduleVolatileJob(true, we);
else
_engine._contexts.scheduler.schedulePersistedJob(we, null);
} else {
replayer.scheduler.schedulePersistedJob(we, null);
}
}
/**
* Check if we are in the ASYNC state.
*
* @return
*/
private boolean isAsync() {
return getStatus() == Status.ASYNC;
}
public QName getCaller() {
return _dao.getProcess().getProcessId();
}
public String toString() {
try {
return "{PartnerRoleMex#" + getMessageExchangeId() + " [PID " + getCaller() + "] calling " + _epr + "."
+ getOperationName() + "(...) Status " + getStatus() + "}";
} catch (Throwable t) {
return "{PartnerRoleMex#????}";
}
}
public PartnerRoleChannel getChannel() {
return _channel;
}
public EndpointReference getMyRoleEndpointReference() {
return _myRoleEPR;
}
}