20a6e7631f
This should no longer keep a reference to a World around and potentially keep them loaded. Also added a finalize() to CompassRegion to ensure the file is closed on a GC. Some cleanup regarding member order, final, etc
87 lines
2.2 KiB
Java
87 lines
2.2 KiB
Java
/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved.
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*
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* Applied Energistics 2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Applied Energistics 2 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
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*/
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package appeng.services.compass;
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import java.io.File;
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import java.util.HashMap;
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import java.util.Map;
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import javax.annotation.Nonnull;
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import com.google.common.base.Preconditions;
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public final class CompassReader
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{
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private final Map<Long, CompassRegion> regions = new HashMap<Long, CompassRegion>( 100 );
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private final int dimensionId;
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private final File worldCompassFolder;
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public CompassReader( int dimensionId, @Nonnull final File worldCompassFolder )
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{
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Preconditions.checkNotNull( worldCompassFolder );
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Preconditions.checkArgument( worldCompassFolder.isDirectory() );
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this.dimensionId = dimensionId;
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this.worldCompassFolder = worldCompassFolder;
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}
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public void close()
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{
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for( CompassRegion r : this.regions.values() )
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{
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r.close();
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}
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this.regions.clear();
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}
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public void setHasBeacon( int cx, int cz, int cdy, boolean hasBeacon )
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{
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final CompassRegion r = this.getRegion( cx, cz );
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r.setHasBeacon( cx, cz, cdy, hasBeacon );
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}
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public boolean hasBeacon( int cx, int cz )
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{
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final CompassRegion r = this.getRegion( cx, cz );
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return r.hasBeacon( cx, cz );
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}
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private CompassRegion getRegion( int cx, int cz )
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{
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long pos = cx >> 10;
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pos <<= 32;
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pos |= ( cz >> 10 );
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CompassRegion cr = this.regions.get( pos );
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if( cr == null )
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{
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cr = new CompassRegion( cx, cz, this.dimensionId, this.worldCompassFolder );
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this.regions.put( pos, cr );
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}
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return cr;
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}
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}
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