/*
* 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.*;
/**
* Created by Anton Nashatyrev on 06.10.2016.
*/
public class ByteArrayMap<V> implements Map<byte[], V> {
private final Map<ByteArrayWrapper, V> delegate;
public ByteArrayMap() {
this(new HashMap<ByteArrayWrapper, V>());
}
public ByteArrayMap(Map<ByteArrayWrapper, V> delegate) {
this.delegate = delegate;
}
@Override
public int size() {
return delegate.size();
}
@Override
public boolean isEmpty() {
return delegate.isEmpty();
}
@Override
public boolean containsKey(Object key) {
return delegate.containsKey(new ByteArrayWrapper((byte[]) key));
}
@Override
public boolean containsValue(Object value) {
return delegate.containsValue(value);
}
@Override
public V get(Object key) {
return delegate.get(new ByteArrayWrapper((byte[]) key));
}
@Override
public V put(byte[] key, V value) {
return delegate.put(new ByteArrayWrapper(key), value);
}
@Override
public V remove(Object key) {
return delegate.remove(new ByteArrayWrapper((byte[]) key));
}
@Override
public void putAll(Map<? extends byte[], ? extends V> m) {
for (Entry<? extends byte[], ? extends V> entry : m.entrySet()) {
delegate.put(new ByteArrayWrapper(entry.getKey()), entry.getValue());
}
}
@Override
public void clear() {
delegate.clear();
}
@Override
public Set<byte[]> keySet() {
return new ByteArraySet(new SetAdapter<>(delegate));
}
@Override
public Collection<V> values() {
return delegate.values();
}
@Override
public Set<Entry<byte[], V>> entrySet() {
return new MapEntrySet(delegate.entrySet());
}
@Override
public boolean equals(Object o) {
return delegate.equals(o);
}
@Override
public int hashCode() {
return delegate.hashCode();
}
@Override
public String toString() {
return delegate.toString();
}
private class MapEntrySet implements Set<Map.Entry<byte[], V>> {
private final Set<Map.Entry<ByteArrayWrapper, V>> delegate;
private MapEntrySet(Set<Entry<ByteArrayWrapper, V>> delegate) {
this.delegate = delegate;
}
@Override
public int size() {
return delegate.size();
}
@Override
public boolean isEmpty() {
return delegate.isEmpty();
}
@Override
public boolean contains(Object o) {
throw new RuntimeException("Not implemented");
}
@Override
public Iterator<Entry<byte[], V>> iterator() {
final Iterator<Entry<ByteArrayWrapper, V>> it = delegate.iterator();
return new Iterator<Entry<byte[], V>>() {
@Override
public boolean hasNext() {
return it.hasNext();
}
@Override
public Entry<byte[], V> next() {
Entry<ByteArrayWrapper, V> next = it.next();
return new AbstractMap.SimpleImmutableEntry(next.getKey().getData(), next.getValue());
}
@Override
public void remove() {
it.remove();
}
};
}
@Override
public Object[] toArray() {
throw new RuntimeException("Not implemented");
}
@Override
public <T> T[] toArray(T[] a) {
throw new RuntimeException("Not implemented");
}
@Override
public boolean add(Entry<byte[], V> vEntry) {
throw new RuntimeException("Not implemented");
}
@Override
public boolean remove(Object o) {
throw new RuntimeException("Not implemented");
}
@Override
public boolean containsAll(Collection<?> c) {
throw new RuntimeException("Not implemented");
}
@Override
public boolean addAll(Collection<? extends Entry<byte[], V>> c) {
throw new RuntimeException("Not implemented");
}
@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() {
throw new RuntimeException("Not implemented");
}
}
}