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.wf;
019
020 import java.util.List;
021 import java.util.Map;
022
023 import org.apache.oozie.ErrorCode;
024 import org.apache.oozie.WorkflowJobBean;
025 import org.apache.oozie.WorkflowsInfo;
026 import org.apache.oozie.command.CommandException;
027 import org.apache.oozie.command.PreconditionException;
028 import org.apache.oozie.executor.jpa.WorkflowsJobGetJPAExecutor;
029 import org.apache.oozie.service.JPAService;
030 import org.apache.oozie.service.Services;
031
032 public class JobsXCommand extends WorkflowXCommand<WorkflowsInfo> {
033 private final Map<String, List<String>> filter;
034 private final int start;
035 private final int len;
036 private WorkflowsInfo workflows;
037
038 /**
039 * Constructor taking the filter information
040 *
041 * @param filter Can be name, status, user, group and combination of these
042 * @param start starting from this index in the list of workflows matching the filter are returned
043 * @param length number of workflows to be returned from the list of workflows matching the filter and starting from
044 * index "start".
045 */
046 public JobsXCommand(Map<String, List<String>> filter, int start, int length) {
047 super("job.info", "job.info", 1, true);
048 this.filter = filter;
049 this.start = start;
050 this.len = length;
051 }
052
053 /* (non-Javadoc)
054 * @see org.apache.oozie.command.XCommand#execute()
055 */
056 @Override
057 protected WorkflowsInfo execute() throws CommandException {
058 try {
059 JPAService jpaService = Services.get().get(JPAService.class);
060 if (jpaService != null) {
061 this.workflows = jpaService.execute(new WorkflowsJobGetJPAExecutor(this.filter, this.start, this.len));
062 }
063 else {
064 throw new CommandException(ErrorCode.E0610);
065 }
066 for (WorkflowJobBean workflow : this.workflows.getWorkflows()) {
067 workflow.setConsoleUrl(JobXCommand.getJobConsoleUrl(workflow.getId()));
068 }
069 return this.workflows;
070 }
071 catch (Exception ex) {
072 throw new CommandException(ErrorCode.E0603, ex.getMessage(), ex);
073 }
074 }
075
076 /* (non-Javadoc)
077 * @see org.apache.oozie.command.XCommand#getEntityKey()
078 */
079 @Override
080 public String getEntityKey() {
081 return null;
082 }
083
084 /* (non-Javadoc)
085 * @see org.apache.oozie.command.XCommand#isLockRequired()
086 */
087 @Override
088 protected boolean isLockRequired() {
089 return false;
090 }
091
092 /* (non-Javadoc)
093 * @see org.apache.oozie.command.XCommand#loadState()
094 */
095 @Override
096 protected void loadState() throws CommandException {
097 }
098
099 /* (non-Javadoc)
100 * @see org.apache.oozie.command.XCommand#verifyPrecondition()
101 */
102 @Override
103 protected void verifyPrecondition() throws CommandException, PreconditionException {
104 }
105 }