Refactor command enum so we can extend commands.

src/main/java/redis/clients/jedis/Protocol.java

@@ -73,9 +73,9 @@ private Protocol() {
     // this prevent the class from instantiation
   }
 
-  public static void sendCommand(final RedisOutputStream os, final Command command,
+  public static void sendCommand(final RedisOutputStream os, final ProtocolCommand command,
       final byte[]... args) {
-    sendCommand(os, command.raw, args);
+    sendCommand(os, command.getRaw(), args);
   }
 
   private static void sendCommand(final RedisOutputStream os, final byte[] command,
@@ -212,14 +212,19 @@ public static final byte[] toByteArray(final double value) {
     return SafeEncoder.encode(String.valueOf(value));
   }
 
-  public static enum Command {
+  public static enum Command implements ProtocolCommand {
     PING, SET, GET, QUIT, EXISTS, DEL, TYPE, FLUSHDB, KEYS, RANDOMKEY, RENAME, RENAMENX, RENAMEX, DBSIZE, EXPIRE, EXPIREAT, TTL, SELECT, MOVE, FLUSHALL, GETSET, MGET, SETNX, SETEX, MSET, MSETNX, DECRBY, DECR, INCRBY, INCR, APPEND, SUBSTR, HSET, HGET, HSETNX, HMSET, HMGET, HINCRBY, HEXISTS, HDEL, HLEN, HKEYS, HVALS, HGETALL, RPUSH, LPUSH, LLEN, LRANGE, LTRIM, LINDEX, LSET, LREM, LPOP, RPOP, RPOPLPUSH, SADD, SMEMBERS, SREM, SPOP, SMOVE, SCARD, SISMEMBER, SINTER, SINTERSTORE, SUNION, SUNIONSTORE, SDIFF, SDIFFSTORE, SRANDMEMBER, ZADD, ZRANGE, ZREM, ZINCRBY, ZRANK, ZREVRANK, ZREVRANGE, ZCARD, ZSCORE, MULTI, DISCARD, EXEC, WATCH, UNWATCH, SORT, BLPOP, BRPOP, AUTH, SUBSCRIBE, PUBLISH, UNSUBSCRIBE, PSUBSCRIBE, PUNSUBSCRIBE, PUBSUB, ZCOUNT, ZRANGEBYSCORE, ZREVRANGEBYSCORE, ZREMRANGEBYRANK, ZREMRANGEBYSCORE, ZUNIONSTORE, ZINTERSTORE, ZLEXCOUNT, ZRANGEBYLEX, ZREVRANGEBYLEX, ZREMRANGEBYLEX, SAVE, BGSAVE, BGREWRITEAOF, LASTSAVE, SHUTDOWN, INFO, MONITOR, SLAVEOF, CONFIG, STRLEN, SYNC, LPUSHX, PERSIST, RPUSHX, ECHO, LINSERT, DEBUG, BRPOPLPUSH, SETBIT, GETBIT, BITPOS, SETRANGE, GETRANGE, EVAL, EVALSHA, SCRIPT, SLOWLOG, OBJECT, BITCOUNT, BITOP, SENTINEL, DUMP, RESTORE, PEXPIRE, PEXPIREAT, PTTL, INCRBYFLOAT, PSETEX, CLIENT, TIME, MIGRATE, HINCRBYFLOAT, SCAN, HSCAN, SSCAN, ZSCAN, WAIT, CLUSTER, ASKING, PFADD, PFCOUNT, PFMERGE;
 
-    public final byte[] raw;
+    private final byte[] raw;
 
     Command() {
       raw = SafeEncoder.encode(this.name());
     }
+
+	@Override
+	public byte[] getRaw() {
+		return raw;
+	}
   }
 
   public static enum Keyword {

src/main/java/redis/clients/jedis/ProtocolCommand.java

@@ -0,0 +1,7 @@
+package redis.clients.jedis;
+
+public interface ProtocolCommand {
+
+	public byte[] getRaw();
+
+}