/*
* 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.v1;
import org.apache.ode.bpel.compiler.bom.IfActivity;
import org.apache.ode.bpel.compiler.bom.Activity;
import org.apache.ode.bpel.compiler.api.CompilationException;
import org.apache.ode.bpel.rtrep.v1.OSwitch;
import org.apache.ode.bpel.rtrep.v1.OActivity;
import org.apache.ode.utils.msg.MessageBundle;
/**
* Generates code for the <code><switch></code> activities.
*/
class IfGenerator extends DefaultActivityGenerator {
private static final IfGeneratorMessages __cmsgs = MessageBundle.getMessages(IfGeneratorMessages.class);
public OActivity newInstance(Activity src) {
return new OSwitch(_context.getOProcess(), _context.getCurrent());
}
public void compile(OActivity output, Activity src) {
OSwitch oswitch = (OSwitch) output;
IfActivity switchDef = (IfActivity)src;
if (switchDef.getCondition() == null)
throw new CompilationException(__cmsgs.errIfWithNoCondition());
boolean first = true;
if (switchDef.getActivity() != null) {
OSwitch.OCase ocase = new OSwitch.OCase(_context.getOProcess());
ocase.activity = _context.compile(switchDef.getActivity());
ocase.expression = _context.compileExpr(switchDef.getCondition());
oswitch.addCase(ocase);
first = false;
}
for (IfActivity.Case ccase : switchDef.getCases()) {
OSwitch.OCase ocase = new OSwitch.OCase(_context.getOProcess());
ocase.activity = _context.compile(ccase.getActivity());
ocase.expression = first ? _context.compileExpr(switchDef.getCondition())
: (ccase.getCondition() == null ? _context.constantExpr(true) : _context.compileExpr(ccase.getCondition()));
oswitch.addCase(ocase);
first = false;
}
}
}