/**
* Copyright 2005 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.workflow.instance.node;
import org.drools.core.spi.ProcessContext;
import org.jbpm.process.instance.impl.Action;
import org.jbpm.workflow.core.node.ActionNode;
import org.jbpm.workflow.instance.WorkflowRuntimeException;
import org.jbpm.workflow.instance.impl.NodeInstanceImpl;
import org.kie.api.runtime.process.NodeInstance;
/**
* Runtime counterpart of an action node.
*
*/
public class ActionNodeInstance extends NodeInstanceImpl {
private static final long serialVersionUID = 510l;
protected ActionNode getActionNode() {
return (ActionNode) getNode();
}
public void internalTrigger(final NodeInstance from, String type) {
if (!org.jbpm.workflow.core.Node.CONNECTION_DEFAULT_TYPE.equals(type)) {
throw new IllegalArgumentException(
"An ActionNode only accepts default incoming connections!");
}
Action action = (Action) getActionNode().getAction().getMetaData("Action");
try {
ProcessContext context = new ProcessContext(getProcessInstance().getKnowledgeRuntime());
context.setNodeInstance(this);
executeAction(action);
} catch( WorkflowRuntimeException wre) {
throw wre;
} catch (Exception e) {
// for the case that one of the following throws an exception
// - the ProcessContext() constructor
// - or context.setNodeInstance(this)
throw new WorkflowRuntimeException(this, getProcessInstance(), "Unable to execute Action: " + e.getMessage(), e);
}
triggerCompleted();
}
public void triggerCompleted() {
triggerCompleted(org.jbpm.workflow.core.Node.CONNECTION_DEFAULT_TYPE, true);
}
}