| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.oozie.command.coord; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.oozie.ErrorCode; |
| import org.apache.oozie.SLAEventBean; |
| import org.apache.oozie.XException; |
| import org.apache.oozie.command.CommandException; |
| import org.apache.oozie.command.PreconditionException; |
| import org.apache.oozie.command.XCommand; |
| import org.apache.oozie.executor.jpa.SLAEventsGetForFilterJPAExecutor; |
| import org.apache.oozie.service.JPAService; |
| import org.apache.oozie.service.Service; |
| import org.apache.oozie.service.Services; |
| |
| /** |
| * The command to get a list of SLAEvents which are greater than given seqId. |
| * |
| */ |
| @SuppressWarnings("deprecation") |
| public class SLAEventsXCommand extends XCommand<List<SLAEventBean>> { |
| |
| private long seqId = 0; |
| private int maxNoEvents = 100; // Default |
| private long lastSeqId = -1; |
| private final Map<String, List<String>> filter; |
| |
| public static final String SLA_DEFAULT_MAXEVENTS = Service.CONF_PREFIX + "sla.default.maxevents"; |
| |
| public SLAEventsXCommand(long seqId, int maxNoEvnts, Map<String, List<String>> filter) { |
| super("SLAEventsXCommand", "SLAEventsXCommand", 1); |
| this.seqId = seqId; |
| int sysMax = Services.get().getConf().getInt(SLA_DEFAULT_MAXEVENTS, 1000); |
| this.maxNoEvents = maxNoEvnts > sysMax ? sysMax : maxNoEvnts; |
| this.filter = filter; |
| } |
| |
| @Override |
| protected boolean isLockRequired() { |
| return false; |
| } |
| |
| @Override |
| public String getEntityKey() { |
| return Long.toString(seqId); |
| } |
| |
| @Override |
| protected void loadState() throws CommandException { |
| } |
| |
| @Override |
| protected void verifyPrecondition() throws CommandException, PreconditionException { |
| } |
| |
| @Override |
| protected List<SLAEventBean> execute() throws CommandException { |
| try { |
| JPAService jpaService = Services.get().get(JPAService.class); |
| List<SLAEventBean> slaEventList = null; |
| long lastSeqId[] = new long[1]; |
| if (jpaService != null) { |
| slaEventList = jpaService.execute(new SLAEventsGetForFilterJPAExecutor(seqId, maxNoEvents, filter, lastSeqId)); |
| } |
| else { |
| LOG.error(ErrorCode.E0610); |
| } |
| setLastSeqId(lastSeqId[0]); |
| return slaEventList; |
| } |
| catch (XException ex) { |
| throw new CommandException(ex); |
| } |
| } |
| |
| /** |
| * Set lastSeqId |
| * |
| * @param lastSeqId last sequence id |
| */ |
| public void setLastSeqId(long lastSeqId) { |
| this.lastSeqId = lastSeqId; |
| } |
| |
| /** |
| * Get lastSeqId |
| * |
| * @return lastSeqId |
| */ |
| public long getLastSeqId() { |
| return lastSeqId; |
| } |
| |
| } |