fullstack/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/dataflow/value/ISerializerDeserializer.java

/*
 * Copyright 2009-2010 by The Regents of the University of California
 * Licensed 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 from
 * 
 *     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 edu.uci.ics.hyracks.api.dataflow.value;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.Serializable;

import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;

public interface ISerializerDeserializer<T> extends Serializable {
    /**
     * Deserialization method.
     * 
     * @param in
     *            - Stream to read instance from.
     * @return A new instance of T with data.
     */
    public T deserialize(DataInput in) throws HyracksDataException;

    /**
     * Serialization method.
     * 
     * @param instance
     *            - the instance to serialize.
     * @param out
     *            - Stream to write data to.
     */
    public void serialize(T instance, DataOutput out) throws HyracksDataException;
}