modules/core/src/main/java/org/apache/ignite/internal/client/marshaller/GridClientMarshaller.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.ignite.internal.client.marshaller;

import java.io.IOException;
import java.nio.ByteBuffer;

/**
 * Marshaller for binary protocol messages.
 */
public interface GridClientMarshaller {
    /**
     * Marshals object to byte array.
     *
     * @param obj Object to marshal.
     * @param off Start offset.
     * @return Byte buffer.
     * @throws IOException If marshalling failed.
     */
    public ByteBuffer marshal(Object obj, int off) throws IOException;

    /**
     * Unmarshals object from byte array.
     *
     * @param bytes Byte array.
     * @return Unmarshalled object.
     * @throws IOException If unmarshalling failed.
     */
    public <T> T unmarshal(byte[] bytes) throws IOException;
}