/*
* Copyright (C) 2005-2011 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco 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.
*
* Alfresco 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 Alfresco. If not, see .
*/
package org.alfresco.repo.action;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
import org.alfresco.service.cmr.action.Action;
/**
* Responsible for monitoring running actions and accumulating statistics on actions that have been run.
*
* @author Alex Miller
*/
public class ActionServiceMonitor
{
private ConcurrentHashMap runningActions = new ConcurrentHashMap();
private ConcurrentHashMap actionStatistics = new ConcurrentHashMap();
/**
* Called by the {@link ActionServiceImpl} when an action is started.
*
* Adds the action to the list of currently running actions.
*
* @param action The action being started
* @return A {@link RunningAction} object used to track the status of the running action.
*/
public RunningAction actionStarted(Action action)
{
RunningAction runningAction = new RunningAction(action);
this.runningActions.put(runningAction.getId(), runningAction);
return runningAction;
}
/**
* Called by the {@link ActionServiceImpl} when sn action completes.
*
* Removes the actions from the list of currently running actions, and updated the accumulated statistics for that action.
*
* @param action The {@link RunningAction} object returned by actionStatred.
*/
public void actionCompleted(RunningAction action)
{
runningActions.remove(action.getId());
updateActionStatisitcis(action);
}
private void updateActionStatisitcis(RunningAction action)
{
String actionName = action.getActionName();
ActionStatistics actionStats = actionStatistics.get(actionName);
if (actionStats == null)
{
actionStatistics.putIfAbsent(actionName, new ActionStatistics(actionName));
actionStats = actionStatistics.get(actionName);
}
actionStats.addAction(action);
}
/**
* @return The list of currently running actions.
*/
public List getRunningActions()
{
return Collections.unmodifiableList(new ArrayList(runningActions.values()));
}
/**
* @return a count of the currently running actions
*/
public int getRunningActionCount()
{
return runningActions.size();
}
/**
* @return a list of the accumulated action statistics.
*/
public List getActionStatisitcs()
{
return Collections.unmodifiableList(new ArrayList(actionStatistics.values()));
}
}