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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.jackrabbit.oak.remote;

/**
 * Represents the identifier of a binary object.
 * 
 * Binary objects stored in the repository are immutable. The same binary ID is
 * guaranteed to return the same binary object over time.
 */
public interface RemoteBinaryId {

    /**
     * Returns a string representation of the binary ID. This representation can
     * be used as a reference by an external system and converted to a {@code
     * RemoteBinaryId} object using {@link RemoteSession#readBinaryId(String)}.
     *
     * @return A string representation of the binary ID.
     */
    String asString();

}