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