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Asynchronous PostgreSQL Java driver

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/*
 * 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 com.github.pgasync.impl.io;

import com.github.pgasync.impl.message.Message;

import java.nio.ByteBuffer;

/**
 * Decoder reads messages from byte buffer.
 *
 * @author Antti Laisi
 */
public interface Decoder {

    /**
     * @return Protocol message id
     */
    byte getMessageId();

    /**
     * @param buffer byte to decode
     * @return Decoded message
     */
    T read(ByteBuffer buffer);

}