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package gregtech.api.objects;
import gregtech.api.GregTech_API;
import gregtech.api.util.GT_Utility;
import java.util.*;
import net.minecraft.item.ItemStack;
public class GT_HashSet<E extends GT_ItemStack> extends AbstractSet<E> {
private transient HashMap<GT_ItemStack, Object> map;
private static final Object OBJECT = new Object();
public GT_HashSet() {
map = new HashMap<GT_ItemStack, Object>();
GregTech_API.sItemStackMappings.add(map);
}
public GT_HashSet(Collection<? extends E> c) {
map = new HashMap<GT_ItemStack, Object>(Math.max((int) (c.size()/.75f) + 1, 16));
addAll(c);
GregTech_API.sItemStackMappings.add(map);
}
public GT_HashSet(int initialCapacity, float loadFactor) {
map = new HashMap<GT_ItemStack, Object>(initialCapacity, loadFactor);
GregTech_API.sItemStackMappings.add(map);
}
public GT_HashSet(int initialCapacity) {
map = new HashMap<GT_ItemStack, Object>(initialCapacity);
GregTech_API.sItemStackMappings.add(map);
}
GT_HashSet(int initialCapacity, float loadFactor, boolean dummy) {
map = new LinkedHashMap<GT_ItemStack, Object>(initialCapacity, loadFactor);
GregTech_API.sItemStackMappings.add(map);
}
public HashMap getMap(){return map;}
@Override
public Iterator<E> iterator() {
return (Iterator<E>)map.keySet().iterator();
}
@Override
public int size() {
return map.size();
}
@Override
public boolean isEmpty() {
return map.isEmpty();
}
@Override
public boolean contains(Object o) {
return map.containsKey(o);
}
public boolean add(ItemStack aStack) {
if (GT_Utility.isStackInvalid(aStack)) return false;
return map.put(new GT_ItemStack(aStack), OBJECT)==null;
}
@Override
public boolean add(E e) {
return map.put(e, OBJECT)==null;
}
@Override
public boolean remove(Object o) {
return map.remove(o)==OBJECT;
}
@Override
public void clear() {
map.clear();
}
}
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