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