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.coord; 016 017 import java.util.List; 018 019 import org.apache.oozie.SLAEventBean; 020 import org.apache.oozie.command.Command; 021 import org.apache.oozie.command.CommandException; 022 import org.apache.oozie.store.SLAStore; 023 import org.apache.oozie.store.Store; 024 import org.apache.oozie.store.StoreException; 025 import org.apache.oozie.util.XLog; 026 027 public class SLAEventsCommand extends Command<List<SLAEventBean>, SLAStore> { 028 029 private long seqId; 030 private int maxNoEvents; 031 private long lastSeqId = -1; 032 033 public SLAEventsCommand(long seqId, int maxNoEvnts) { 034 super("SLAEventsCommand", "SLAEventsCommand", 1, XLog.OPS); 035 this.seqId = seqId; 036 this.maxNoEvents = maxNoEvnts; 037 } 038 039 @Override 040 protected List<SLAEventBean> call(SLAStore store) throws StoreException, CommandException { 041 long lsId[] = new long[1]; 042 List<SLAEventBean> slaEvntList = store.getSLAEventListNewerSeqLimited(seqId, maxNoEvents, lsId); 043 store.getEntityManager().clear(); 044 setLastSeqId(lsId[0]); 045 return slaEvntList; 046 } 047 048 public void setLastSeqId(long lastSeqId) { 049 this.lastSeqId = lastSeqId; 050 } 051 052 public long getLastSeqId() { 053 return lastSeqId; 054 } 055 056 @Override 057 public Class<? extends Store> getStoreClass() { 058 // TODO Auto-generated method stub 059 return SLAStore.class; 060 } 061 062 }