tajo-storage/src/main/java/org/apache/tajo/storage/SerializerDeserializer.java

/**
 * 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.tajo.storage;

import org.apache.tajo.catalog.Column;
import org.apache.tajo.datum.Datum;
import org.apache.tajo.tuple.offheap.RowWriter;

import java.io.IOException;
import java.io.OutputStream;


public interface SerializerDeserializer {

  public int serialize(Column col, Datum datum, OutputStream out, byte[] nullCharacters) throws IOException;

  public Datum deserialize(Column col, byte[] bytes, int offset, int length, byte[] nullCharacters) throws IOException;

  public void write(RowWriter writer, Column col, byte[] bytes, int offset, int length, byte[] nullCharacters)
      throws IOException;

}