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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.flink.runtime.blob;

import org.apache.flink.annotation.VisibleForTesting;

/** BLOB key referencing permanent BLOB files. */
public final class PermanentBlobKey extends BlobKey {

    /** Constructs a new BLOB key. */
    @VisibleForTesting
    public PermanentBlobKey() {
        super(BlobType.PERMANENT_BLOB);
    }

    /**
     * Constructs a new BLOB key from the given byte array.
     *
     * @param key the actual key data
     */
    PermanentBlobKey(byte[] key) {
        super(BlobType.PERMANENT_BLOB, key);
    }

    /**
     * Constructs a new BLOB key from the given byte array.
     *
     * @param key the actual key data
     * @param random the random component of the key
     */
    PermanentBlobKey(byte[] key, byte[] random) {
        super(BlobType.PERMANENT_BLOB, key, random);
    }
}