/**
* Copyright 2010 JBoss Inc
*
* Licensed 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.jbpm.process.audit;
import java.io.InputStreamReader;
import java.io.Reader;
import org.drools.RuleBase;
import org.drools.RuleBaseFactory;
import org.drools.StatefulSession;
import org.drools.compiler.PackageBuilder;
import org.drools.rule.Package;
import org.jbpm.process.instance.impl.demo.UIWorkItemHandler;
public class ProcessInstanceExecutor {
public static final void main(String[] args) {
try {
//load the process
RuleBase ruleBase = createKnowledgeBase();
// create a new session
StatefulSession session = ruleBase.newStatefulSession();
new WorkingMemoryDbLogger(session);
UIWorkItemHandler uiHandler = new UIWorkItemHandler();
session.getWorkItemManager().registerWorkItemHandler("Human Task", uiHandler);
uiHandler.setVisible(true);
new ProcessInstanceExecutorFrame(session).setVisible(true);
} catch (Throwable t) {
t.printStackTrace();
}
}
/**
* Creates the knowledge base by loading the process definition.
*/
private static RuleBase createKnowledgeBase() throws Exception {
// create a builder
PackageBuilder builder = new PackageBuilder();
// load the process
Reader source = new InputStreamReader(
ProcessInstanceExecutor.class.getResourceAsStream("/ruleflow.rf"));
builder.addProcessFromXml(source);
source = new InputStreamReader(
ProcessInstanceExecutor.class.getResourceAsStream("/ruleflow2.rf"));
builder.addProcessFromXml(source);
// create the knowledge base
Package pkg = builder.getPackage();
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage(pkg);
return ruleBase;
}
}