package proj.zoie.mbean;
/**
* 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.
*/
import java.util.Date;
import proj.zoie.api.indexing.IndexingEventListener;
import proj.zoie.impl.indexing.IndexUpdatedEvent;
import proj.zoie.impl.indexing.ZoieSystem;
import proj.zoie.api.ZoieVersion;
public class ZoieIndexingStatusAdmin<V extends ZoieVersion>implements ZoieIndexingStatusAdminMBean,IndexingEventListener<V>{
private final ZoieSystem<?,?,V> _zoieSystem;
private long _endTime;
private long _startTime;
private int _leftOver;
private int _size;
private long _totalTime;
private int _totalSize;
private V _diskVersion;
public ZoieIndexingStatusAdmin(ZoieSystem<?,?,V> zoieSystem){
_zoieSystem = zoieSystem;
_zoieSystem.addIndexingEventListener(this);
_startTime = 0L;
_endTime = 0L;
_leftOver = 0;
_size = 0;
_totalSize = 0;
_totalTime = 0;
_diskVersion = null;
}
public long getAverageIndexingBatchDuration() {
return _totalSize == 0 ? 0 : _totalTime/_totalSize;
}
public long getLastIndexingBatchDuration() {
return _endTime - _startTime;
}
public int getLastIndexingBatchLeftOver() {
return _leftOver;
}
public int getLastIndexingBatchSize() {
return _size;
}
public Date getLastIndexingEndTime() {
return new Date(_endTime);
}
public void resetAverage() {
_totalSize = 0;
_totalTime = 0;
}
public void handleIndexingEvent(IndexingEvent evt) {
// only interested in IndexUpdateEvent
if (evt instanceof IndexUpdatedEvent){
IndexUpdatedEvent updateEvt = (IndexUpdatedEvent)evt;
_startTime = updateEvt.getStartIndexingTime();
_endTime = updateEvt.getEndIndexingTime();
_leftOver = updateEvt.getNumDocsLeftInQueue();
_size = updateEvt.getNumDocsIndexed();
_totalSize += _size;
_totalTime += (_endTime - _startTime);
}
}
public void handleUpdatedDiskVersion(V version) {
_diskVersion = version;
}
public V getCurrentDiskVersion() {
return _diskVersion;
}
}