Package org.drools.ruleflow.instance.impl

Source Code of org.drools.ruleflow.instance.impl.SubFlowNodeInstanceImpl

package org.drools.ruleflow.instance.impl;

/*
* Copyright 2005 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.
*/

import org.drools.ruleflow.common.instance.ProcessInstance;
import org.drools.ruleflow.core.SubFlowNode;
import org.drools.ruleflow.instance.RuleFlowNodeInstance;

/**
* Runtime counterpart of a SubFlow node.
*
* @author <a href="mailto:kris_verlaenen@hotmail.com">Kris Verlaenen</a>
*/
public class SubFlowNodeInstanceImpl extends RuleFlowNodeInstanceImpl {

  private long processInstanceId;
 
    protected SubFlowNode getSubFlowNode() {
        return (SubFlowNode) getNode();
    }

    public void trigger(final RuleFlowNodeInstance from) {
      ProcessInstance processInstance =
        getProcessInstance().getWorkingMemory().startProcess(getSubFlowNode().getProcessId());
      if (processInstance.getState() == ProcessInstance.STATE_COMPLETED) {
        triggerCompleted();
      } else {
        this.processInstanceId = processInstance.getId();
      }
    }
   
    public long getProcessInstanceId() {
      return processInstanceId;
    }

    public void triggerCompleted() {
        getProcessInstance().getNodeInstance( getSubFlowNode().getTo().getTo() ).trigger( this );
        getProcessInstance().removeNodeInstance(this);
    }

}
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