001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *      http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019package org.apache.oozie.workflow.lite;
020
021import java.util.Collections;
022
023/**
024 * Node definition for KILL control node.
025 */
026public class KillNodeDef extends ControlNodeDef {
027
028    KillNodeDef() {
029    }
030
031    @SuppressWarnings("unchecked")
032    public KillNodeDef(String name, String message, Class<? extends ControlNodeHandler> klass) {
033        super(name, message, klass, Collections.EMPTY_LIST);
034    }
035
036    public static class KillNodeHandler extends NodeHandler {
037
038        public boolean enter(Context context) {
039            return true;
040        }
041
042        public String exit(Context context) {
043            context.killJob();
044            return null;
045        }
046
047        public void kill(Context context) {
048        }
049
050        public void fail(Context context) {
051        }
052    }
053
054}