/*
* 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.rtrep.v1;
import org.apache.ode.bpel.evt.CompensationHandlerRegistered;
import org.apache.ode.bpel.evt.ScopeEvent;
import org.apache.ode.bpel.rtrep.v1.OScope;
import org.apache.ode.bpel.rtrep.v1.channels.CompensationChannelListener;
import org.apache.ode.bpel.rtrep.v1.channels.FaultData;
import org.apache.ode.bpel.rtrep.v1.channels.ParentScopeChannel;
import org.apache.ode.bpel.rtrep.v1.channels.ParentScopeChannelListener;
import org.apache.ode.bpel.rtrep.v1.channels.TerminationChannel;
import org.apache.ode.jacob.SynchChannel;
import java.util.Iterator;
import java.util.Set;
import org.w3c.dom.Element;
/**
* A scope that has completed succesfully, and may possibly have a compensation handler.
*/
class COMPENSATIONHANDLER_ extends BpelJacobRunnable {
private static final long serialVersionUID = 1L;
private CompensationHandler _self;
private Set<CompensationHandler> _completedChildren;
public COMPENSATIONHANDLER_(CompensationHandler self, Set<CompensationHandler> visibleCompensations) {
_self = self;
_completedChildren = visibleCompensations;
}
public void run() {
sendEvent(new CompensationHandlerRegistered());
object(new CompensationChannelListener(_self.compChannel) {
private static final long serialVersionUID = -477602498730810094L;
public void forget() {
// Tell all our completed children to forget.
for (Iterator<CompensationHandler> i = _completedChildren.iterator(); i.hasNext(); )
i.next().compChannel.forget();
}
public void compensate(final SynchChannel ret) {
// Only scopes with compensation handlers can be compensated.
assert _self.compensated.oscope.compensationHandler != null;
ActivityInfo ai = new ActivityInfo(genMonotonic(),
_self.compensated.oscope.compensationHandler,
newChannel(TerminationChannel.class), newChannel(ParentScopeChannel.class));
ScopeFrame compHandlerScopeFrame = new ScopeFrame(
_self.compensated.oscope.compensationHandler,
getBpelRuntime().createScopeInstance(_self.compensated.scopeInstanceId, _self.compensated.oscope.compensationHandler),
_self.compensated,
_completedChildren);
// Create the compensation handler scope.
instance(new SCOPE(ai,compHandlerScopeFrame, new LinkFrame(null)));
object(new ParentScopeChannelListener(ai.parent) {
private static final long serialVersionUID = 8044120498580711546L;
public void compensate(OScope scope, SynchChannel ret) {
throw new AssertionError("Unexpected.");
}
public void completed(FaultData faultData, Set<CompensationHandler> compensations) {
// TODO: log faults.
// Compensations registered in a compensation handler are unreachable.
for (Iterator<CompensationHandler> i = compensations.iterator();i.hasNext(); ) {
i.next().compChannel.forget();
}
// Notify synchronized waiter that we are done.
ret.ret();
}
public void cancelled() { completed(null, CompensationHandler.emptySet()); }
public void failure(String reason, Element data) { completed(null, CompensationHandler.emptySet()); }
});
}
});
}
private void sendEvent(ScopeEvent event) {
_self.compensated.fillEventInfo(event);
getBpelRuntime().sendEvent(event);
}
public String toString() {
return new StringBuffer(getClassName())
.append(":")
.append(_self.compensated)
.append("(...)")
.toString();
}
}