bpel-compiler/src/main/java/org/apache/ode/bpel/compiler/PickGenerator.java

/*
 * 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.OnAlarm;
import org.apache.ode.bpel.compiler.bom.OnMessage;
import org.apache.ode.bpel.compiler.bom.PickActivity;
import org.apache.ode.bpel.obj.OActivity;
import org.apache.ode.bpel.obj.OPickReceive;


/**
 * Generates code for <code>&lt;pick&gt;</code> activities.
 */
class PickGenerator extends PickReceiveGenerator {

    public OActivity newInstance(Activity src) {
        return new OPickReceive(_context.getOProcess(), _context.getCurrent());
    }

    public void compile(OActivity output, Activity src) {
        OPickReceive opick = (OPickReceive) output;
        PickActivity pickDef = (PickActivity) src;

        opick.setCreateInstanceFlag(pickDef.isCreateInstance());
        for (OnMessage sOnMessage : pickDef.getOnMessages()) {
          OPickReceive.OnMessage oOnMessage = compileOnMessage(sOnMessage.getVariable(),
                  sOnMessage.getPartnerLink(),
                  sOnMessage.getOperation(),
                  sOnMessage.getMessageExchangeId(),
                  sOnMessage.getPortType(),
                  pickDef.isCreateInstance(),
                  sOnMessage.getCorrelations(),
                  sOnMessage.getRoute());
          if (sOnMessage.getActivity() == null)
              throw new CompilationException(__cmsgs.errEmptyOnMessage().setSource(sOnMessage));
          oOnMessage.setActivity(_context.compile(sOnMessage.getActivity()));
          opick.getOnMessages().add(oOnMessage);
        }

        try {
            for(OnAlarm onAlarmDef : pickDef.getOnAlarms()){
                OPickReceive.OnAlarm oalarm = new OPickReceive.OnAlarm(_context.getOProcess());
                oalarm.setActivity(_context.compile(onAlarmDef.getActivity()));
                if (onAlarmDef.getFor() != null && onAlarmDef.getUntil() == null) {
                    oalarm.setForExpr(_context.compileExpr(onAlarmDef.getFor()));
                } else if (onAlarmDef.getFor() == null && onAlarmDef.getUntil() != null) {
                    oalarm.setUntilExpr(_context.compileExpr(onAlarmDef.getUntil()));
                } else {
                    throw new CompilationException(__cmsgs.errForOrUntilMustBeGiven().setSource(onAlarmDef));
                }

                if (pickDef.isCreateInstance())
                    throw new CompilationException(__cmsgs.errOnAlarmWithCreateInstance().setSource(onAlarmDef));

                opick.getOnAlarms().add(oalarm);
            }
        } catch (CompilationException ce) {
            _context.recoveredFromError(pickDef, ce);
        }
    }
}