| /* |
| * 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.obj.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.getExpression(), evalCtx)){ |
| matchedOCase = ocase; |
| break; |
| } |
| } catch (EvaluationException e) { |
| __log.error("Sub-Language execution failure evaluating " + ocase.getExpression(), e); |
| throw new FaultException(oswitch.getOwner().getConstants().getQnSubLanguageExecutionFault(), 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().getActivity()); |
| 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.getActivity()); |
| } |
| |
| // 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.getActivity(), _self.self, _self.parent); |
| instance(createChild(child,_scopeFrame,_linkFrame)); |
| } |
| } |
| } |