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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.hbase.io.hfile;
19  
20  import java.io.IOException;
21  import java.nio.ByteBuffer;
22  
23  /**
24   * Interface for a deserializer. Throws an IOException if the serialized data is
25   * incomplete or wrong.
26   * */
27  public interface CacheableDeserializer<T extends Cacheable> {
28    /**
29     * Returns the deserialized object.
30     *
31     * @return T the deserialized object.
32     */
33    public T deserialize(ByteBuffer b) throws IOException;
34  }