/* This file is part of the db4o object database http://www.db4o.com
Copyright (C) 2004 - 2011 Versant Corporation http://www.versant.com
db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.
db4o 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 General Public License
for more details.
You should have received a copy of the GNU General Public License along
with this program. If not, see http://www.gnu.org/licenses/. */
package com.db4o.foundation;
class HashtableByteArrayEntry extends HashtableObjectEntry {
public HashtableByteArrayEntry(byte[] bytes, Object value) {
super(hash(bytes), bytes, value);
}
public HashtableByteArrayEntry(){
super();
}
public Object deepClone(Object obj) {
return deepCloneInternal(new HashtableByteArrayEntry(), obj);
}
public boolean hasKey(Object key) {
if (key instanceof byte[]) {
return areEqual((byte[]) key(), (byte[]) key);
}
return false;
}
static int hash(byte[] bytes) {
int ret = 0;
for (int i = 0; i < bytes.length; i++) {
ret = ret * 31 + bytes[i];
}
return ret;
}
static boolean areEqual(byte[] lhs, byte[] rhs) {
if (rhs.length != lhs.length) return false;
for (int i = 0; i < rhs.length; i++) {
if (rhs[i] != lhs[i]) return false;
}
return true;
}
}