201 lines
4.1 KiB
Java
201 lines
4.1 KiB
Java
/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2014, 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.crafting;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.Iterator;
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import javax.annotation.Nonnull;
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import appeng.api.networking.crafting.ICraftingWatcher;
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import appeng.api.networking.crafting.ICraftingWatcherHost;
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import appeng.api.storage.data.IAEStack;
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import appeng.me.cache.CraftingGridCache;
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/**
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* Maintain my interests, and a global watch list, they should always be fully synchronized.
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*/
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public class CraftingWatcher implements ICraftingWatcher
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{
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final CraftingGridCache gsc;
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final ICraftingWatcherHost host;
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final HashSet<IAEStack> myInterests = new HashSet<IAEStack>();
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public CraftingWatcher( CraftingGridCache cache, ICraftingWatcherHost host )
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{
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this.gsc = cache;
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this.host = host;
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}
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public ICraftingWatcherHost getHost()
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{
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return this.host;
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}
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@Override
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public int size()
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{
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return this.myInterests.size();
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}
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@Override
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public boolean isEmpty()
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{
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return this.myInterests.isEmpty();
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}
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@Override
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public boolean contains( Object o )
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{
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return this.myInterests.contains( o );
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}
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@Nonnull
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@Override
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public Iterator<IAEStack> iterator()
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{
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return new ItemWatcherIterator( this, this.myInterests.iterator() );
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}
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@Nonnull
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@Override
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public Object[] toArray()
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{
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return this.myInterests.toArray();
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}
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@Nonnull
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@Override
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public <T> T[] toArray( @Nonnull T[] a )
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{
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return this.myInterests.toArray( a );
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}
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@Override
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public boolean add( IAEStack e )
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{
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if( this.myInterests.contains( e ) )
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{
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return false;
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}
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return this.myInterests.add( e.copy() ) && this.gsc.interestManager.put( e, this );
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}
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@Override
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public boolean remove( Object o )
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{
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return this.myInterests.remove( o ) && this.gsc.interestManager.remove( (IAEStack) o, this );
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}
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@Override
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public boolean containsAll( @Nonnull Collection<?> c )
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{
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return this.myInterests.containsAll( c );
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}
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@Override
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public boolean addAll( @Nonnull Collection<? extends IAEStack> c )
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{
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boolean didChange = false;
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for( IAEStack o : c )
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{
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didChange = this.add( o ) || didChange;
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}
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return didChange;
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}
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@Override
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public boolean removeAll( @Nonnull Collection<?> c )
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{
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boolean didSomething = false;
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for( Object o : c )
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{
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didSomething = this.remove( o ) || didSomething;
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}
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return didSomething;
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}
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@Override
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public boolean retainAll( @Nonnull Collection<?> c )
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{
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boolean changed = false;
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Iterator<IAEStack> i = this.iterator();
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while( i.hasNext() )
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{
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if( !c.contains( i.next() ) )
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{
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i.remove();
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changed = true;
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}
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}
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return changed;
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}
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@Override
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public void clear()
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{
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Iterator<IAEStack> i = this.myInterests.iterator();
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while( i.hasNext() )
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{
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this.gsc.interestManager.remove( i.next(), this );
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i.remove();
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}
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}
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class ItemWatcherIterator implements Iterator<IAEStack>
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{
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final CraftingWatcher watcher;
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final Iterator<IAEStack> interestIterator;
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IAEStack myLast;
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public ItemWatcherIterator( CraftingWatcher parent, Iterator<IAEStack> i )
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{
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this.watcher = parent;
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this.interestIterator = i;
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}
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@Override
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public boolean hasNext()
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{
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return this.interestIterator.hasNext();
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}
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@Override
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public IAEStack next()
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{
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return this.myLast = this.interestIterator.next();
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}
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@Override
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public void remove()
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{
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CraftingWatcher.this.gsc.interestManager.remove( this.myLast, this.watcher );
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this.interestIterator.remove();
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}
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}
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}
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