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.bundle; 016 017 import java.util.List; 018 import java.util.Map; 019 020 import org.apache.oozie.BundleJobInfo; 021 import org.apache.oozie.ErrorCode; 022 import org.apache.oozie.XException; 023 import org.apache.oozie.command.CommandException; 024 import org.apache.oozie.command.PreconditionException; 025 import org.apache.oozie.command.XCommand; 026 import org.apache.oozie.executor.jpa.BundleJobInfoGetJPAExecutor; 027 import org.apache.oozie.service.JPAService; 028 import org.apache.oozie.service.Services; 029 030 /** 031 * The command to get a job info for a list of bundle jobs by given filters. 032 */ 033 public class BundleJobsXCommand extends XCommand<BundleJobInfo> { 034 private Map<String, List<String>> filter; 035 private int start = 1; 036 private int len = 50; 037 038 /** 039 * The constructor for BundleJobsXCommand 040 * 041 * @param filter the filter string 042 * @param start start location for paging 043 * @param len total length to get 044 */ 045 public BundleJobsXCommand(Map<String, List<String>> filter, int start, int length) { 046 super("bundle.job.info", "bundle.job.info", 1); 047 this.filter = filter; 048 this.start = start; 049 this.len = length; 050 } 051 052 /* (non-Javadoc) 053 * @see org.apache.oozie.command.XCommand#isLockRequired() 054 */ 055 @Override 056 protected boolean isLockRequired() { 057 return false; 058 } 059 060 /* (non-Javadoc) 061 * @see org.apache.oozie.command.XCommand#getEntityKey() 062 */ 063 @Override 064 protected String getEntityKey() { 065 return null; 066 } 067 068 /* (non-Javadoc) 069 * @see org.apache.oozie.command.XCommand#loadState() 070 */ 071 @Override 072 protected void loadState() throws CommandException { 073 } 074 075 /* (non-Javadoc) 076 * @see org.apache.oozie.command.XCommand#verifyPrecondition() 077 */ 078 @Override 079 protected void verifyPrecondition() throws CommandException, PreconditionException { 080 } 081 082 /* (non-Javadoc) 083 * @see org.apache.oozie.command.XCommand#execute() 084 */ 085 @Override 086 protected BundleJobInfo execute() throws CommandException { 087 try { 088 JPAService jpaService = Services.get().get(JPAService.class); 089 BundleJobInfo bundleInfo = null; 090 if (jpaService != null) { 091 bundleInfo = jpaService.execute(new BundleJobInfoGetJPAExecutor(filter, start, len)); 092 } 093 else { 094 LOG.error(ErrorCode.E0610); 095 } 096 return bundleInfo; 097 } 098 catch (XException ex) { 099 throw new CommandException(ex); 100 } 101 } 102 103 }