/**
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* 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.core.spi.ProcessContext;
import org.jbpm.process.core.context.exception.ActionExceptionHandler;
import org.jbpm.process.core.context.exception.ExceptionHandler;
import org.jbpm.process.core.context.exception.ExceptionScope;
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 String getContextType() {
return ExceptionScope.EXCEPTION_SCOPE;
}
public void handleException(ExceptionHandler handler, String exception, Object params) {
if (handler instanceof ActionExceptionHandler) {
ActionExceptionHandler exceptionHandler = (ActionExceptionHandler) handler;
Action action = (Action) exceptionHandler.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 = exceptionHandler.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);
}
}
}