001 /** 002 * Copyright (c) 2010 Yahoo! Inc. All rights reserved. 003 * Licensed under the Apache License, Version 2.0 (the "License"); 004 * you may not use this file except in compliance with the License. 005 * You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software 010 * distributed under the License is distributed on an "AS IS" BASIS, 011 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 * See the License for the specific language governing permissions and 013 * limitations under the License. See accompanying LICENSE file. 014 */ 015 package org.apache.oozie.command.coord; 016 017 import org.apache.oozie.CoordinatorJobBean; 018 import org.apache.oozie.command.CommandException; 019 import org.apache.oozie.store.CoordinatorStore; 020 import org.apache.oozie.store.StoreException; 021 import org.apache.oozie.util.ParamChecker; 022 import org.apache.oozie.util.XLog; 023 024 /** 025 * Command for loading a coordinator job information 026 */ 027 public class CoordJobCommand extends CoordinatorCommand<CoordinatorJobBean> { 028 private String id; 029 private boolean getActionInfo; 030 private int start = 1; 031 private int len = Integer.MAX_VALUE; 032 033 /** 034 * @param id coord jobId 035 */ 036 public CoordJobCommand(String id) { 037 this(id, 1, Integer.MAX_VALUE); 038 } 039 040 /** 041 * @param id coord jobId 042 * @param start starting index in the list of actions belonging to the job 043 * @param length number of actions to be returned 044 */ 045 public CoordJobCommand(String id, int start, int length) { 046 super("job.info", "job.info", 1, XLog.OPS); 047 this.id = ParamChecker.notEmpty(id, "id"); 048 this.getActionInfo = true; 049 this.start = start; 050 this.len = length; 051 } 052 053 /** 054 * @param id coord jobId 055 * @param getActionInfo false to ignore loading actions for the job 056 */ 057 public CoordJobCommand(String id, boolean getActionInfo) { 058 super("job.info", "job.info", 1, XLog.OPS); 059 this.id = ParamChecker.notEmpty(id, "id"); 060 this.getActionInfo = getActionInfo; 061 } 062 063 @Override 064 protected CoordinatorJobBean call(CoordinatorStore store) throws StoreException, CommandException { 065 CoordinatorJobBean coord = store.getCoordinatorJob(id, false); 066 if (this.getActionInfo == true) { 067 coord.setActions(store.getActionsSubsetForCoordinatorJob(id, start, len)); 068 } 069 else { 070 coord.setActions(null); 071 } 072 return coord; 073 } 074 075 }