Applied-Energistics-2-tiler.../src/main/java/appeng/me/energy/EnergyWatcher.java
yueh fb79fd284d Replaced Watcher using Collection with a more fitting interface (#2693)
Replaced the watchers for energy, storage and crafting with a more fitting interface compared to a common collection.

Fixes #229
2016-12-14 18:30:49 +01:00

92 lines
2.4 KiB
Java

/*
* This file is part of Applied Energistics 2.
* Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
*
* Applied Energistics 2 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.
*
* Applied Energistics 2 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 Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
*/
package appeng.me.energy;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import appeng.api.networking.energy.IEnergyWatcher;
import appeng.api.networking.energy.IEnergyWatcherHost;
import appeng.me.cache.EnergyGridCache;
/**
* Maintain my interests, and a global watch list, they should always be fully synchronized.
*/
public class EnergyWatcher implements IEnergyWatcher
{
private final EnergyGridCache gsc;
private final IEnergyWatcherHost watcherHost;
private final Set<EnergyThreshold> myInterests = new HashSet<EnergyThreshold>();
public EnergyWatcher( final EnergyGridCache cache, final IEnergyWatcherHost host )
{
this.gsc = cache;
this.watcherHost = host;
}
public void post( final EnergyGridCache energyGridCache )
{
this.watcherHost.onThresholdPass( energyGridCache );
}
public IEnergyWatcherHost getHost()
{
return this.watcherHost;
}
@Override
public boolean add( final double amount )
{
final EnergyThreshold eh = new EnergyThreshold( amount, this );
if( this.myInterests.contains( eh ) )
{
return false;
}
return this.gsc.registerEnergyInterest( eh ) && this.myInterests.add( eh );
}
@Override
public boolean remove( final double amount )
{
final EnergyThreshold eh = new EnergyThreshold( amount, this );
return this.myInterests.remove( eh ) && this.gsc.unregisterEnergyInterest( eh );
}
@Override
public void reset()
{
for( Iterator<EnergyThreshold> iterator = myInterests.iterator(); iterator.hasNext(); )
{
final EnergyThreshold threshold = iterator.next();
this.gsc.unregisterEnergyInterest( threshold );
iterator.remove();
}
}
}