AbstractBinaryMemcacheMessage.java — netty Source File

Source Code

/*
 * Copyright 2013 The Netty Project
 *
 * The Netty Project 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:
 *
 *   https://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 io.netty.handler.codec.memcache.binary;

import io.netty.buffer.ByteBuf;
import io.netty.handler.codec.memcache.AbstractMemcacheObject;
import io.netty.util.internal.UnstableApi;

/**
 * Default implementation of a {@link BinaryMemcacheMessage}.
 */
@UnstableApi
public abstract class AbstractBinaryMemcacheMessage
    extends AbstractMemcacheObject
    implements BinaryMemcacheMessage {

    /**
     * Contains the optional key.
     */
    private ByteBuf key;

    /**
     * Contains the optional extras.
     */
    private ByteBuf extras;

    private byte magic;
    private byte opcode;
    private short keyLength;
    private byte extrasLength;
    private byte dataType;
    private int totalBodyLength;
    private int opaque;
    private long cas;

    /**
     * Create a new instance with all properties set.
     *
     * @param key    the message key.
     * @param extras the message extras.
     */
    protected AbstractBinaryMemcacheMessage(ByteBuf key, ByteBuf extras) {
        this.key = key;
        keyLength = key == null ? 0 : (short) key.readableBytes();
        this.extras = extras;
        extrasLength = extras == null ? 0 : (byte) extras.readableBytes();
        totalBodyLength = keyLength + extrasLength;
// ... (192 more lines)