/*
* Copyright (c) [2016] [ <ether.camp> ]
* This file is part of the ethereumJ library.
*
* The ethereumJ library 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.
*
* The ethereumJ library 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 the ethereumJ library. If not, see <http://www.gnu.org/licenses/>.
*/
package org.ethereum.util;
import org.ethereum.db.ByteArrayWrapper;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
/**
* Created by Anton Nashatyrev on 06.10.2016.
*/
public class ByteArraySet implements Set<byte[]> {
Set<ByteArrayWrapper> delegate;
public ByteArraySet() {
this(new HashSet<ByteArrayWrapper>());
}
ByteArraySet(Set<ByteArrayWrapper> delegate) {
this.delegate = delegate;
}
@Override
public int size() {
return delegate.size();
}
@Override
public boolean isEmpty() {
return delegate.isEmpty();
}
@Override
public boolean contains(Object o) {
return delegate.contains(new ByteArrayWrapper((byte[]) o));
}
@Override
public Iterator<byte[]> iterator() {
return new Iterator<byte[]>() {
Iterator<ByteArrayWrapper> it = delegate.iterator();
@Override
public boolean hasNext() {
return it.hasNext();
}
@Override
public byte[] next() {
return it.next().getData();
}
@Override
public void remove() {
it.remove();
}
};
}
@Override
public Object[] toArray() {
byte[][] ret = new byte[size()][];
ByteArrayWrapper[] arr = delegate.toArray(new ByteArrayWrapper[size()]);
for (int i = 0; i < arr.length; i++) {
ret[i] = arr[i].getData();
}
return ret;
}
@Override
public <T> T[] toArray(T[] a) {
return (T[]) toArray();
}
@Override
public boolean add(byte[] bytes) {
return delegate.add(new ByteArrayWrapper(bytes));
}
@Override
public boolean remove(Object o) {
return delegate.remove(new ByteArrayWrapper((byte[]) o));
}
@Override
public boolean containsAll(Collection<?> c) {
throw new RuntimeException("Not implemented");
}
@Override
public boolean addAll(Collection<? extends byte[]> c) {
boolean ret = false;
for (byte[] bytes : c) {
ret |= add(bytes);
}
return ret;
}
@Override
public boolean retainAll(Collection<?> c) {
throw new RuntimeException("Not implemented");
}
@Override
public boolean removeAll(Collection<?> c) {
throw new RuntimeException("Not implemented");
}
@Override
public void clear() {
delegate.clear();
}
@Override
public boolean equals(Object o) {
throw new RuntimeException("Not implemented");
}
@Override
public int hashCode() {
throw new RuntimeException("Not implemented");
}
}