| /* |
| * 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.uima.ducc.ws; |
| |
| import java.util.concurrent.ConcurrentSkipListMap; |
| |
| import org.apache.uima.ducc.common.utils.id.DuccId; |
| import org.apache.uima.ducc.transport.event.common.DuccWorkJob; |
| import org.apache.uima.ducc.transport.event.common.IDuccWork; |
| import org.apache.uima.ducc.transport.event.common.IDuccWorkJob; |
| |
| public class PagingObserver { |
| |
| private static PagingObserver instance = new PagingObserver(); |
| |
| public static int intervalInSeconds = 60; |
| |
| public static PagingObserver getInstance() { |
| return instance; |
| } |
| |
| private ConcurrentSkipListMap<DuccId,PagingInfo> mapData = new ConcurrentSkipListMap<DuccId,PagingInfo>(); |
| private ConcurrentSkipListMap<DuccId,PagingInfo> mapDiff = new ConcurrentSkipListMap<DuccId,PagingInfo>(); |
| |
| public PagingObserver() { |
| } |
| |
| public void put(IDuccWork dw) { |
| if(dw != null) { |
| if(dw instanceof IDuccWorkJob) { |
| IDuccWorkJob job = (IDuccWorkJob) dw; |
| if(!job.isCompleted()) { |
| put(job); |
| } |
| } |
| } |
| } |
| |
| private void update(DuccId id, PagingInfo pCurr, PagingInfo pPrev) { |
| PagingInfo pDiff = new PagingInfo(pCurr.total-pPrev.total, pCurr.procs-pPrev.procs); |
| mapData.put(id, pCurr); |
| mapDiff.put(id, pDiff); |
| } |
| |
| public void put(IDuccWorkJob job) { |
| if(job != null) { |
| DuccId id = job.getDuccId(); |
| if(id != null) { |
| PagingInfo pCurr = new PagingInfo(job); |
| PagingInfo pPrev = mapData.get(id); |
| if(pPrev == null) { |
| update(id, pCurr, pCurr); |
| } |
| else { |
| long elapsedMillis = pCurr.timestamp - pPrev.timestamp; |
| if(elapsedMillis > intervalInSeconds * 1000) { |
| update(id, pCurr, pPrev); |
| } |
| } |
| } |
| } |
| } |
| |
| public void remove(DuccId duccId) { |
| if(duccId != null) { |
| mapData.remove(duccId); |
| mapDiff.remove(duccId); |
| } |
| } |
| |
| public PagingInfo getData(DuccId duccId) { |
| PagingInfo retVal = null; |
| if(duccId != null) { |
| retVal = mapData.get(duccId); |
| } |
| if(retVal == null) { |
| retVal = new PagingInfo(); |
| } |
| return retVal; |
| } |
| |
| public PagingInfo getDiff(DuccId duccId) { |
| PagingInfo retVal = null; |
| if(duccId != null) { |
| retVal = mapDiff.get(duccId); |
| } |
| if(retVal == null) { |
| retVal = new PagingInfo(); |
| } |
| return retVal; |
| } |
| |
| public long getDiffCount(DuccId duccId) { |
| return getDiff(duccId).total; |
| } |
| |
| public boolean isPaging(DuccId duccId) { |
| return getDiffCount(duccId) > 0; |
| } |
| |
| public boolean isPaging(IDuccWorkJob job) { |
| boolean retVal = false; |
| if(job != null) { |
| DuccId duccId = job.getDuccId(); |
| retVal = isPaging(duccId); |
| } |
| return retVal; |
| } |
| |
| public static void main(String[] args) { |
| PagingObserver po = PagingObserver.getInstance(); |
| DuccId id = null; |
| po.remove(id); |
| id = new DuccId(0); |
| po.remove(id); |
| PagingInfo pi = new PagingInfo(); |
| pi.display(); |
| IDuccWorkJob job = new DuccWorkJob(); |
| pi = new PagingInfo(job); |
| pi.display(); |
| } |
| } |