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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.cassandra.dht;

import java.nio.ByteBuffer;
import java.util.Arrays;

import org.apache.cassandra.utils.ByteBufferUtil;
import org.apache.cassandra.utils.FBUtilities;
import org.apache.cassandra.utils.Hex;

public class BytesToken extends Token
{
    static final long serialVersionUID = -2630749093733680626L;

    final byte[] token;

    public BytesToken(ByteBuffer token)
    {
        this(ByteBufferUtil.getArray(token));
    }

    public BytesToken(byte[] token)
    {
        this.token = token;
    }

    @Override
    public String toString()
    {
        return Hex.bytesToHex(token);
    }

    public int compareTo(Token other)
    {
        BytesToken o = (BytesToken) other;
        return FBUtilities.compareUnsigned(token, o.token, 0, 0, token.length, o.token.length);
    }


    @Override
    public int hashCode()
    {
        final int prime = 31;
        return prime + Arrays.hashCode(token);
    }

    @Override
    public boolean equals(Object obj)
    {
        if (this == obj)
            return true;
        if (!(obj instanceof BytesToken))
            return false;
        BytesToken other = (BytesToken) obj;

        return Arrays.equals(token, other.token);
    }

    @Override
    public byte[] getTokenValue()
    {
        return token;
    }
}