/**
* 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.drools.workflow.instance.node;
import java.util.Map;
import org.drools.common.EventSupport;
import org.drools.common.InternalRuleBase;
import org.drools.common.InternalWorkingMemory;
import org.drools.definition.process.Process;
import org.drools.impl.StatefulKnowledgeSessionImpl;
import org.drools.process.instance.ProcessInstance;
import org.drools.process.instance.WorkItemManager;
import org.drools.process.instance.impl.WorkItemImpl;
import org.drools.runtime.process.ProcessRuntime;
import org.drools.runtime.process.WorkItem;
import org.drools.workflow.instance.WorkflowProcessInstance;
public class DynamicUtils {
public static void addDynamicWorkItem(
DynamicNodeInstance dynamicContext, ProcessRuntime ksession,
String workItemName, Map<String, Object> parameters) {
WorkflowProcessInstance processInstance = dynamicContext.getProcessInstance();
WorkItemImpl workItem = new WorkItemImpl();
workItem.setState(WorkItem.ACTIVE);
workItem.setProcessInstanceId(processInstance.getId());
workItem.setName(workItemName);
workItem.setParameters(parameters);
WorkItemNodeInstance workItemNodeInstance = new WorkItemNodeInstance();
workItemNodeInstance.setNodeInstanceContainer(dynamicContext);
workItemNodeInstance.setProcessInstance(processInstance);
workItemNodeInstance.internalSetWorkItem(workItem);
workItemNodeInstance.addEventListeners();
InternalWorkingMemory workingMemory = ((StatefulKnowledgeSessionImpl) ksession).session;
((EventSupport) workingMemory).getRuleFlowEventSupport().fireBeforeRuleFlowNodeTriggered(workItemNodeInstance, workingMemory);
((WorkItemManager) ksession.getWorkItemManager()).internalExecuteWorkItem(workItem);
((EventSupport) workingMemory).getRuleFlowEventSupport().fireAfterRuleFlowNodeTriggered(workItemNodeInstance, (InternalWorkingMemory) workingMemory);
}
public static void addDynamicSubProcess(
DynamicNodeInstance dynamicContext, ProcessRuntime ksession,
String processId, Map<String, Object> parameters) {
WorkflowProcessInstance processInstance = dynamicContext.getProcessInstance();
SubProcessNodeInstance subProcessNodeInstance = new SubProcessNodeInstance();
subProcessNodeInstance.setNodeInstanceContainer(dynamicContext);
subProcessNodeInstance.setProcessInstance(processInstance);
InternalWorkingMemory workingMemory = ((StatefulKnowledgeSessionImpl) ksession).session;
Process process = ((InternalRuleBase) workingMemory.getRuleBase()).getProcess(processId);
if (process == null) {
System.err.println("Could not find process " + processId);
System.err.println("Aborting process");
processInstance.setState(ProcessInstance.STATE_ABORTED);
} else {
((EventSupport) workingMemory).getRuleFlowEventSupport().fireBeforeRuleFlowNodeTriggered(subProcessNodeInstance, workingMemory);
ProcessInstance subProcessInstance = (ProcessInstance)
workingMemory.startProcess(processId, parameters);
((EventSupport) workingMemory).getRuleFlowEventSupport().fireAfterRuleFlowNodeTriggered(subProcessNodeInstance, (InternalWorkingMemory) workingMemory);
if (subProcessInstance.getState() == ProcessInstance.STATE_COMPLETED) {
subProcessNodeInstance.triggerCompleted();
} else {
subProcessNodeInstance.internalSetProcessInstanceId(subProcessInstance.getId());
subProcessNodeInstance.addEventListeners();
}
}
}
}