org.gridgain.client.marshaller.optimized.GridClientOptimizedMarshaller Maven / Gradle / Ivy

Go to download
/* 
 Copyright (C) GridGain Systems. All Rights Reserved.
 
 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 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.gridgain.client.marshaller.optimized;

import org.gridgain.client.marshaller.*;
import org.gridgain.grid.*;
import org.gridgain.grid.kernal.processors.rest.client.message.*;
import org.gridgain.grid.marshaller.optimized.*;

import java.io.*;
import java.util.*;

/**
 * Wrapper, that adapts {@link GridOptimizedMarshaller} to
 * {@link GridClientMarshaller} interface.
 */
public class GridClientOptimizedMarshaller implements GridClientMarshaller {
    /** Unique marshaller protocol ID. */
    public static final Byte PROTOCOL_ID = 1;

    /** Optimized marshaller. */
    private final GridOptimizedMarshaller opMarsh;

    /**
     * Default constructor.
     */
    public GridClientOptimizedMarshaller() {
        opMarsh = new GridOptimizedMarshaller();
    }

    /**
     * Constructs optimized marshaller with specific parameters.
     *
     * @param requireSer Flag to enforce {@link Serializable} interface or not. If {@code true},
     *      then objects will be required to implement {@link Serializable} in order to be
     *      marshalled, if {@code false}, then such requirement will be relaxed.
     * @param clsNames User preregistered class names.
     * @param clsNamesPath Path to a file with user preregistered class names.
     * @param poolSize Object streams pool size.
     * @throws IOException If an I/O error occurs while writing stream header.
     * @throws GridRuntimeException If this marshaller is not supported on the current JVM.
     * @see GridOptimizedMarshaller
     */
    public GridClientOptimizedMarshaller(boolean requireSer, List clsNames, String clsNamesPath, int poolSize)
        throws IOException {
        try {
            opMarsh = new GridOptimizedMarshaller(requireSer, clsNames, clsNamesPath, poolSize);
        }
        catch (GridException e) {
            throw new IOException(e);
        }
    }

    /** {@inheritDoc} */
    @Override public byte[] marshal(Object obj) throws IOException {
        try {
            if (!(obj instanceof GridClientMessage))
                throw new IOException("Message serialization of given type is not supported: " +
                    obj.getClass().getName());

            return opMarsh.marshal(obj);
        }
        catch (GridException e) {
            throw new IOException(e);
        }
    }

    /** {@inheritDoc} */
    @Override public  T unmarshal(byte[] bytes) throws IOException {
        try {
            return opMarsh.unmarshal(bytes, null);
        }
        catch (GridException e) {
            throw new IOException(e);
        }
    }

    /** {@inheritDoc} */
    @Override public byte getProtocolId() {
        return PROTOCOL_ID;
    }
}