001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.fusesource.hawtdb.api;
018    
019    import org.fusesource.hawtbuf.codec.Codec;
020    
021    import java.io.DataInputStream;
022    import java.io.DataOutputStream;
023    import java.io.IOException;
024    
025    /**
026     * A EncoderDecoder which uses a Marshaller to encode/decode the values.
027     *
028     * @author <a href="http://hiramchirino.com">Hiram Chirino</a>
029     */
030    public class CodecPagedAccessor<T> extends AbstractStreamPagedAccessor<T> {
031    
032        private final Codec<T> codec;
033    
034        public CodecPagedAccessor(Codec<T> codec) {
035            this.codec = codec;
036        }
037    
038        @Override
039        protected void encode(Paged paged, DataOutputStream os, T data) throws IOException {
040            codec.encode(data, os);
041        }
042    
043        @Override
044        protected T decode(Paged paged, DataInputStream is) throws IOException {
045            return codec.decode(is);
046        }
047    }