Package org.jbpm.process.instance.context.exception

Source Code of org.jbpm.process.instance.context.exception.DefaultExceptionScopeInstance

/**
* 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.instance.context.exception;

import org.drools.spi.ProcessContext;
import org.jbpm.process.core.context.exception.ActionExceptionHandler;
import org.jbpm.process.core.context.exception.ExceptionHandler;
import org.jbpm.process.instance.ContextInstanceContainer;
import org.jbpm.process.instance.ProcessInstance;
import org.jbpm.process.instance.impl.Action;
import org.jbpm.workflow.instance.NodeInstance;

public class DefaultExceptionScopeInstance extends ExceptionScopeInstance {

  private static final long serialVersionUID = 510l;

  public void handleException(ExceptionHandler handler, String exception, Object params) {
   
    if (handler instanceof ActionExceptionHandler) {
      Action action = (Action) ((ActionExceptionHandler) handler).getAction().getMetaData("Action");
      try {
          ProcessInstance processInstance = getProcessInstance();
          ProcessContext processContext = new ProcessContext(processInstance.getKnowledgeRuntime());
          ContextInstanceContainer contextInstanceContainer = getContextInstanceContainer();
          if (contextInstanceContainer instanceof NodeInstance) {
            processContext.setNodeInstance((NodeInstance) contextInstanceContainer);
          } else {
            processContext.setProcessInstance(processInstance);
          }
          String faultVariable = handler.getFaultVariable();
          if (faultVariable != null) {
            processContext.setVariable(faultVariable, params);
          }
            action.execute(processContext);
      } catch (Exception e) {
          throw new RuntimeException("unable to execute Action", e);
      }
    } else {
      throw new IllegalArgumentException("Unknown exception handler " + handler);
    }
  }

}
TOP

Related Classes of org.jbpm.process.instance.context.exception.DefaultExceptionScopeInstance

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.