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package org.glassfish.grizzly.memcached;

/**
 * Defines opcodes of the memcached's binary protocol
 * 
 * See http://code.google.com/p/memcached/wiki/BinaryProtocolRevamped#Command_Opcodes
 *
 * @author Bongjae Chang
 */
public enum CommandOpcodes {
    Get(0x00),
    Gets(0x00),
    Set(0x01),
    Add(0x02),
    Replace(0x03),
    Delete(0x04),
    Increment(0x05),
    Decrement(0x06),
    Quit(0x07),
    Flush(0x08),
    GetQ(0x09),
    GetsQ(0x09),
    Noop(0x0a),
    Version(0x0b),
    GetK(0x0c),
    GetKQ(0x0d),
    Append(0x0e),
    Prepend(0x0f),
    Stat(0x10),
    SetQ(0x11),
    AddQ(0x12),
    ReplaceQ(0x13),
    DeleteQ(0x14),
    IncrementQ(0x15),
    DecrementQ(0x16),
    QuitQ(0x17),
    FlushQ(0x18),
    AppendQ(0x19),
    PrependQ(0x1a),
    Verbosity(0x1b),
    Touch(0x1c),
    GAT(0x1d),
    GATQ(0x1e),
    SASL_List(0x20),
    SASL_Auth(0x21),
    SASL_Step(0x22),
    RGet(0x30),
    RSet(0x31),
    RSetQ(0x32),
    RAppend(0x33),
    RAppendQ(0x34),
    RPrepend(0x35),
    RPrependQ(0x36),
    RDelete(0x37),
    RDeleteQ(0x38),
    RIncr(0x39),
    RIncrQ(0x3a),
    RDecr(0x3b),
    RDecrQ(0x3c),
    Set_VBucket(0x3d),
    Get_VBucket(0x3e),
    Del_VBucket(0x3f),
    TAP_Connect(0x40),
    TAP_Mutation(0x41),
    TAP_Delete(0x42),
    TAP_Flush(0x43),
    TAP_Opaque(0x44),
    TAP_VBucket_Set(0x45),
    TAP_Checkpoint_Start(0x46),
    TAP_Checkpoint_End(0x47);

    private final byte opcode;

    private CommandOpcodes(int opcode) {
        this.opcode = (byte) (opcode & 0xff);
    }

    public byte opcode() {
        return opcode;
    }
}