49 lines
1.1 KiB
Java
49 lines
1.1 KiB
Java
package com.pahimar.ee3.array;
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import com.google.common.collect.ImmutableSortedSet;
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import com.pahimar.ee3.api.AlchemyArray;
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import java.util.SortedSet;
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import java.util.TreeSet;
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public class AlchemyArrayRegistry
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{
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private static AlchemyArrayRegistry alchemyArrayRegistry = null;
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private SortedSet<AlchemyArray> registeredAlchemyArrays;
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private AlchemyArrayRegistry()
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{
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}
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public static AlchemyArrayRegistry getInstance()
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{
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if (alchemyArrayRegistry == null)
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{
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alchemyArrayRegistry = new AlchemyArrayRegistry();
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alchemyArrayRegistry.init();
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}
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return alchemyArrayRegistry;
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}
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private void init()
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{
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registeredAlchemyArrays = new TreeSet<AlchemyArray>();
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}
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public SortedSet<AlchemyArray> getRegisteredAlchemyArrays()
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{
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return ImmutableSortedSet.copyOf(registeredAlchemyArrays);
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}
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public boolean registerAlchemyArray(AlchemyArray alchemyArray)
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{
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if (!registeredAlchemyArrays.contains(alchemyArray))
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{
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return registeredAlchemyArrays.add(alchemyArray);
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}
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return false;
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}
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}
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