Applied-Energistics-2-tiler.../src/main/java/appeng/me/GridNodeCollection.java

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/*
* 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>.
*/
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package appeng.me;
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import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import appeng.api.networking.IGridHost;
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import appeng.api.networking.IGridNode;
import appeng.api.util.IReadOnlyCollection;
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public class GridNodeCollection implements IReadOnlyCollection<IGridNode> {
private final Map<Class<? extends IGridHost>, MachineSet> machines;
public GridNodeCollection(final Map<Class<? extends IGridHost>, MachineSet> machines
) {
this.machines = machines;
}
@Override
public Iterator<IGridNode> iterator() {
return new GridNodeIterator(this.machines);
}
@Override
public int size() {
int size = 0;
for (final Set<IGridNode> o : this.machines.values()) {
size += o.size();
}
return size;
}
@Override
public boolean isEmpty() {
for (final Set<IGridNode> o : this.machines.values()) {
if (!o.isEmpty()) {
return false;
}
}
return true;
}
@Override
public boolean contains(final Object maybeGridNode) {
final boolean doesContainNode;
if (maybeGridNode instanceof IGridNode) {
final IGridNode node = (IGridNode) maybeGridNode;
final IGridHost machine = node.getMachine();
final Class<? extends IGridHost> machineClass = machine.getClass();
final MachineSet machineSet = this.machines.get(machineClass);
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doesContainNode = machineSet != null && machineSet.contains(maybeGridNode);
} else {
doesContainNode = false;
}
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return doesContainNode;
}
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}