yueh
74 lines
2.5 KiB
Java
74 lines
2.5 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.util.item;
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import java.util.Collection;
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import appeng.api.config.FuzzyMode;
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import appeng.api.storage.channels.IItemStorageChannel;
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import appeng.api.storage.data.IAEItemStack;
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import appeng.api.storage.data.IItemContainer;
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import appeng.core.Api;
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public class ItemModList implements IItemContainer<IAEItemStack> {
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private final IItemContainer<IAEItemStack> backingStore;
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private final IItemContainer<IAEItemStack> overrides = Api.instance().storage()
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.getStorageChannel(IItemStorageChannel.class).createList();
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public ItemModList(final IItemContainer<IAEItemStack> backend) {
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this.backingStore = backend;
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}
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@Override
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public void add(final IAEItemStack option) {
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IAEItemStack over = this.overrides.findPrecise(option);
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if (over == null) {
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over = this.backingStore.findPrecise(option);
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if (over == null) {
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this.overrides.add(option);
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} else {
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option.add(over);
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this.overrides.add(option);
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}
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} else {
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this.overrides.add(option);
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}
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}
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@Override
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public IAEItemStack findPrecise(final IAEItemStack i) {
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final IAEItemStack over = this.overrides.findPrecise(i);
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if (over == null) {
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return this.backingStore.findPrecise(i);
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}
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return over;
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}
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@Override
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public Collection<IAEItemStack> findFuzzy(final IAEItemStack input, final FuzzyMode fuzzy) {
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return this.overrides.findFuzzy(input, fuzzy);
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}
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@Override
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public boolean isEmpty() {
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return this.overrides.isEmpty() && this.backingStore.isEmpty();
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}
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}
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