hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/job/IJobSerializerDeserializer.java

/*
 * Copyright 2009-2013 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.job;

import java.io.Serializable;
import java.net.URL;
import java.util.List;

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

/**
 * The serializer/deserializer/classloader interface for job/task information such as job specifications, activity graphs and so on.
 * 
 * @author yingyib
 */
public interface IJobSerializerDeserializer {

    /**
     * Deserialize the bytes to an object
     * 
     * @param bytes
     *            the binary content of an object
     * @return the deserialized object
     * @throws HyracksException
     */
    public Object deserialize(byte[] bytes) throws HyracksException;

    /**
     * Serialize a object into bytes
     * 
     * @param object
     *            a Serializable Java object
     * @return
     *         the byte array which contains the binary content of the input object
     * @throws HyracksException
     */
    public byte[] serialize(Serializable object) throws HyracksException;

    /**
     * Load a class by its name
     * 
     * @param className
     *            the name of the class
     * @return
     * @throws HyracksException
     */
    public Class<?> loadClass(String className) throws HyracksException;

    /**
     * 
     * @param binaryURLs
     * @throws HyracksException
     */
    public void addClassPathURLs(List<URL> binaryURLs) throws HyracksException;

    public ClassLoader getClassLoader() throws HyracksException;

}