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 package org.apache.oozie.command.bundle;
019
020 import java.util.List;
021 import java.util.Map;
022
023 import org.apache.oozie.BundleJobInfo;
024 import org.apache.oozie.ErrorCode;
025 import org.apache.oozie.XException;
026 import org.apache.oozie.command.CommandException;
027 import org.apache.oozie.command.PreconditionException;
028 import org.apache.oozie.command.XCommand;
029 import org.apache.oozie.executor.jpa.BundleJobInfoGetJPAExecutor;
030 import org.apache.oozie.service.JPAService;
031 import org.apache.oozie.service.Services;
032
033 /**
034 * The command to get a job info for a list of bundle jobs by given filters.
035 */
036 public class BundleJobsXCommand extends XCommand<BundleJobInfo> {
037 private Map<String, List<String>> filter;
038 private int start = 1;
039 private int len = 50;
040
041 /**
042 * The constructor for BundleJobsXCommand
043 *
044 * @param filter the filter string
045 * @param start start location for paging
046 * @param len total length to get
047 */
048 public BundleJobsXCommand(Map<String, List<String>> filter, int start, int length) {
049 super("bundle.job.info", "bundle.job.info", 1);
050 this.filter = filter;
051 this.start = start;
052 this.len = length;
053 }
054
055 /* (non-Javadoc)
056 * @see org.apache.oozie.command.XCommand#isLockRequired()
057 */
058 @Override
059 protected boolean isLockRequired() {
060 return false;
061 }
062
063 /* (non-Javadoc)
064 * @see org.apache.oozie.command.XCommand#getEntityKey()
065 */
066 @Override
067 public String getEntityKey() {
068 return null;
069 }
070
071 /* (non-Javadoc)
072 * @see org.apache.oozie.command.XCommand#loadState()
073 */
074 @Override
075 protected void loadState() throws CommandException {
076 }
077
078 /* (non-Javadoc)
079 * @see org.apache.oozie.command.XCommand#verifyPrecondition()
080 */
081 @Override
082 protected void verifyPrecondition() throws CommandException, PreconditionException {
083 }
084
085 /* (non-Javadoc)
086 * @see org.apache.oozie.command.XCommand#execute()
087 */
088 @Override
089 protected BundleJobInfo execute() throws CommandException {
090 try {
091 JPAService jpaService = Services.get().get(JPAService.class);
092 BundleJobInfo bundleInfo = null;
093 if (jpaService != null) {
094 bundleInfo = jpaService.execute(new BundleJobInfoGetJPAExecutor(filter, start, len));
095 }
096 else {
097 LOG.error(ErrorCode.E0610);
098 }
099 return bundleInfo;
100 }
101 catch (XException ex) {
102 throw new CommandException(ex);
103 }
104 }
105
106 }