/
StatisticManager.java
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/
StatisticManager.java
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/*
* SymmetricDS is an open source database synchronization solution.
*
* Copyright (C) Chris Henson <chenson42@users.sourceforge.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*/
package org.jumpmind.symmetric.statistic;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.jumpmind.symmetric.common.ParameterConstants;
import org.jumpmind.symmetric.model.Node;
import org.jumpmind.symmetric.service.INodeService;
import org.jumpmind.symmetric.service.INotificationService;
import org.jumpmind.symmetric.service.IParameterService;
import org.jumpmind.symmetric.service.IStatisticService;
public class StatisticManager implements IStatisticManager {
Map<StatisticName, Statistic> statistics;
INodeService nodeService;
IStatisticService statisticService;
INotificationService notificationService;
IParameterService parameterService;
synchronized public void init() {
if (statistics == null) {
refresh(new Date());
}
}
synchronized public void flush() {
Date captureEndTime = new Date();
if (statistics != null) {
statisticService.save(statistics.values(), captureEndTime);
publishAlerts();
}
refresh(captureEndTime);
}
/**
* Compare the statistics we have cached against the configured statistic
* alert thresholds and publish alerts if we fall outside the range.
*/
synchronized protected void publishAlerts() {
if (parameterService.is(ParameterConstants.STATISTIC_THRESHOLD_ALERTS_ENABLED)) {
// TODO
}
}
synchronized protected void refresh(Date lastCaptureEndTime) {
if (statistics == null) {
statistics = new HashMap<StatisticName, Statistic>();
}
statistics.clear();
Node node = nodeService.findIdentity();
String nodeId = "Unknown";
if (node != null) {
nodeId = node.getNodeId();
}
StatisticName[] all = StatisticName.values();
for (StatisticName statisticName : all) {
statistics.put(statisticName, new Statistic(statisticName, nodeId, lastCaptureEndTime == null ? new Date()
: lastCaptureEndTime));
}
}
public Statistic getStatistic(StatisticName statisticName) {
this.init();
return statistics.get(statisticName);
}
public void setNodeService(INodeService nodeService) {
this.nodeService = nodeService;
}
public void setStatisticService(IStatisticService statisticService) {
this.statisticService = statisticService;
}
public void setNotificationService(INotificationService notificationService) {
this.notificationService = notificationService;
}
public void setParameterService(IParameterService parameterService) {
this.parameterService = parameterService;
}
}