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 */ 018 019 020package org.apache.oozie.command; 021 022public abstract class IgnoreTransitionXCommand<T> extends TransitionXCommand<T> { 023 024 protected T ret; 025 026 public IgnoreTransitionXCommand(String name, String type, int priority) { 027 super(name, type, priority); 028 } 029 030 @Override 031 protected T execute() throws CommandException { 032 try { 033 transitToNext(); 034 ignoreChildren(); 035 updateJob(); 036 performWrites(); 037 } 038 finally { 039 notifyParent(); 040 } 041 return ret; 042 } 043 044 public abstract void ignoreChildren() throws CommandException; 045 046 @Override 047 public void transitToNext() throws CommandException{ 048 } 049 @Override 050 public void notifyParent(){ 051 } 052 @Override 053 public void updateJob(){ 054 } 055}