| /* |
| * 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.compiler; |
| |
| import org.apache.ode.bpel.compiler.api.CompilationException; |
| import org.apache.ode.bpel.compiler.bom.Activity; |
| import org.apache.ode.bpel.compiler.bom.CompositeActivity; |
| import org.apache.ode.bpel.compiler.bom.FlowActivity; |
| import org.apache.ode.bpel.compiler.bom.Link; |
| import org.apache.ode.bpel.o.OActivity; |
| import org.apache.ode.bpel.o.OFlow; |
| import org.apache.ode.bpel.o.OLink; |
| import org.apache.ode.utils.msg.MessageBundle; |
| import org.apache.ode.utils.stl.CollectionsX; |
| import org.apache.ode.utils.stl.MemberOfFunction; |
| |
| import java.util.Iterator; |
| |
| |
| /** |
| * Generates code for <code><flow></code> activities. |
| */ |
| class FlowGenerator extends DefaultActivityGenerator { |
| private static final FlowGeneratorMessages __cmsgs = MessageBundle.getMessages(FlowGeneratorMessages.class); |
| |
| public void compile(OActivity output, Activity src) { |
| FlowActivity flowAct = (FlowActivity)src; |
| OFlow oflow = (OFlow) output; |
| compileLinkDecls(oflow, flowAct); |
| compileChildren(oflow, flowAct); |
| |
| for (Iterator<OLink> i = oflow.localLinks.iterator(); i.hasNext(); ) { |
| OLink olink = i.next(); |
| try { |
| if (olink.source == null) |
| throw new CompilationException(__cmsgs.errLinkMissingSourceActivity(olink.name).setSource(flowAct)); |
| } catch (CompilationException ce) { |
| _context.recoveredFromError(src, ce); |
| } |
| |
| try { |
| if (olink.target == null) |
| throw new CompilationException(__cmsgs.errLinkMissingTargetActivity(olink.name).setSource(flowAct)); |
| } catch (CompilationException ce) { |
| _context.recoveredFromError(src, ce); |
| } |
| } |
| } |
| |
| |
| public OActivity newInstance(Activity src) { |
| return new OFlow(_context.getOProcess(),_context.getCurrent()); |
| } |
| |
| private void compileLinkDecls(OFlow oflow, FlowActivity flowAct) { |
| for (Link link : flowAct.getLinks()) { |
| OLink olink = new OLink(_context.getOProcess()); |
| olink.name = link.getLinkName(); |
| declareLink(oflow, olink); |
| } |
| } |
| |
| |
| private void declareLink(final OFlow oflow, final OLink olink) throws CompilationException { |
| if (CollectionsX.find_if(oflow.localLinks, new MemberOfFunction<OLink>() { |
| public boolean isMember(OLink o) { |
| return o.name.equals(olink.name); |
| } |
| }) != null) |
| throw new CompilationException(__cmsgs.errDuplicateLinkDecl(olink.name)); |
| |
| olink.declaringFlow = oflow; |
| oflow.localLinks.add(olink); |
| } |
| |
| /** |
| */ |
| protected void compileChildren(OFlow dest, CompositeActivity src) { |
| for (Activity child : src.getActivities()){ |
| try { |
| OActivity compiledChild = _context.compile(child); |
| dest.parallelActivities.add(compiledChild); |
| } catch (CompilationException ce) { |
| _context.recoveredFromError(child, ce); |
| } |
| } |
| } |
| } |