libraries/kiwi/kiwi-tripletable/src/main/java/org/apache/marmotta/kiwi/model/caching/ByteArray.java

/**
 * 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.marmotta.kiwi.model.caching;

import java.util.Arrays;

/**
* Add file description here!
* <p/>
* Author: Sebastian Schaffert
*/
final class ByteArray implements Comparable<ByteArray> {

    private byte[] data;

    ByteArray(byte[] data) {
        this.data = data;
    }

    @Override
    public int compareTo(ByteArray o) {
        for(int i=0; i < data.length && i < o.data.length; i++) {
            if(((int) data[i] & 0xff) < ((int) o.data[i] & 0xff)) {
                return -1;
            } else if(((int)data[i] & 0xff) > ((int)o.data[i] & 0xff)) {
                return 1;
            }
        }
        return 0;
    }


    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        ByteArray byteArray = (ByteArray) o;

        return Arrays.equals(data, byteArray.data);

    }

    @Override
    public int hashCode() {
        return data != null ? Arrays.hashCode(data) : 0;
    }
}