/*
* 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.runtime;
import org.apache.ode.bpel.common.FaultException;
import org.apache.ode.bpel.explang.EvaluationContext;
import org.apache.ode.bpel.explang.EvaluationException;
import org.apache.ode.bpel.o.OSwitch;
import org.apache.ode.bpel.runtime.channels.FaultData;
import java.util.Iterator;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Runtime implementation of the <code><switch></code> activity.
*/
class SWITCH extends ACTIVITY {
private static final long serialVersionUID = 1L;
private static final Log __log = LogFactory.getLog(SWITCH.class);
public SWITCH(ActivityInfo self, ScopeFrame scopeFrame, LinkFrame linkFrame) {
super(self, scopeFrame, linkFrame);
}
public final void run() {
OSwitch oswitch = (OSwitch)_self.o;
OSwitch.OCase matchedOCase = null;
FaultData faultData = null;
EvaluationContext evalCtx = getEvaluationContext();
for (Iterator i = oswitch.getCases().iterator(); i.hasNext();) {
OSwitch.OCase ocase = (OSwitch.OCase) i.next();
try{
try {
if(getBpelRuntimeContext().getExpLangRuntime().evaluateAsBoolean(ocase.expression, evalCtx)){
matchedOCase = ocase;
break;
}
} catch (EvaluationException e) {
__log.error("Sub-Language execution failure evaluating " + ocase.expression, e);
throw new FaultException(oswitch.getOwner().constants.qnSubLanguageExecutionFault, e.getMessage());
}
}catch(FaultException e){
__log.error(e.getMessage(),e);
faultData = createFault(e.getQName(), ocase);
_self.parent.completed(faultData, CompensationHandler.emptySet());
// Dead path all the child activiites:
for (Iterator<OSwitch.OCase> j = oswitch.getCases().iterator(); j.hasNext(); )
dpe(j.next().activity);
return;
}
}
// Dead path cases not chosen
for (Iterator<OSwitch.OCase> i = oswitch.getCases().iterator(); i.hasNext(); ) {
OSwitch.OCase cs = i.next();
if (cs != matchedOCase)
dpe(cs.activity);
}
// no conditions satisfied, we're done.
if (matchedOCase == null) {
_self.parent.completed(null, CompensationHandler.emptySet());
} else /* matched case */ {
// Re-use our current channels.
ActivityInfo child = new ActivityInfo(genMonotonic(),matchedOCase.activity, _self.self, _self.parent);
instance(createChild(child,_scopeFrame,_linkFrame));
}
}
}