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/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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.elasticsearch.common.util;

import org.apache.lucene.util.BytesRef;

/**
 * Abstraction of an array of byte values.
 */
public interface ByteArray extends BigArray {

    /**
     * Get an element given its index.
     */
    byte get(long index);

    /**
     * Set a value at the given index and return the previous value.
     */
    byte set(long index, byte value);

    /**
     * Get a reference to a slice.
     *
     * @return true when a byte[] was materialized, false otherwise.
     */
    boolean get(long index, int len, BytesRef ref);

    /**
     * Bulk set.
     */
    void set(long index, byte[] buf, int offset, int len);

    /**
     * Fill slots between fromIndex inclusive to toIndex exclusive with value.
     */
    void fill(long fromIndex, long toIndex, byte value);

}