new commands

src/main/java/org/redisson/client/RedisPubSubConnection.java

@@ -20,7 +20,7 @@ import java.util.concurrent.ConcurrentLinkedQueue;
 import org.redisson.client.handler.RedisData;
 import org.redisson.client.protocol.RedisCommand;
 import org.redisson.client.protocol.RedisCommands;
-import org.redisson.client.protocol.pubsub.MultiDecoder;
+import org.redisson.client.protocol.decoder.MultiDecoder;
 import org.redisson.client.protocol.pubsub.PubSubMessage;
 import org.redisson.client.protocol.pubsub.PubSubMessageDecoder;
 import org.redisson.client.protocol.pubsub.PubSubPatternMessage;

src/main/java/org/redisson/client/handler/RedisData.java

@@ -19,7 +19,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
 
 import org.redisson.client.protocol.Codec;
 import org.redisson.client.protocol.RedisCommand;
-import org.redisson.client.protocol.pubsub.MultiDecoder;
+import org.redisson.client.protocol.decoder.MultiDecoder;
 
 import io.netty.util.concurrent.Promise;
 

src/main/java/org/redisson/client/handler/RedisDecoder.java

@@ -28,7 +28,7 @@ import org.redisson.client.RedisPubSubConnection;
 import org.redisson.client.handler.RedisCommandsQueue.QueueCommands;
 import org.redisson.client.protocol.Decoder;
 import org.redisson.client.protocol.RedisCommand.ValueType;
-import org.redisson.client.protocol.pubsub.MultiDecoder;
+import org.redisson.client.protocol.decoder.MultiDecoder;
 import org.redisson.client.protocol.pubsub.PubSubMessage;
 import org.redisson.client.protocol.pubsub.PubSubPatternMessage;
 
@@ -62,7 +62,11 @@ public class RedisDecoder extends ReplayingDecoder<Void> {
 
         System.out.println("message " + in.writerIndex() + "-" + in.readerIndex() + " in: " + in.toString(0, in.writerIndex(), CharsetUtil.UTF_8));
 
-        decode(in, data, null, pubSubConnection, currentDecoder);
+        try {
+            decode(in, data, null, pubSubConnection, currentDecoder);
+        } catch (Exception e) {
+            data.getPromise().setFailure(e);
+        }
 
         ctx.channel().attr(RedisCommandsQueue.REPLAY).remove();
         ctx.pipeline().fireUserEventTriggered(QueueCommands.NEXT_COMMAND);
@@ -103,7 +107,7 @@ public class RedisDecoder extends ReplayingDecoder<Void> {
                 decode(in, data, respParts, pubSubConnection, currentDecoder);
             }
 
-            Object result = messageDecoder(data, respParts).decode(respParts);
+            Object result = messageDecoder(data, respParts).get().decode(respParts);
             handleMultiResult(data, parts, pubSubConnection, result);
         } else {
             throw new IllegalStateException("Can't decode replay " + (char)code);

src/main/java/org/redisson/client/handler/RedisEncoder.java

@@ -46,10 +46,17 @@ public class RedisEncoder extends MessageToByteEncoder<RedisData<Object, Object>
         int i = 1;
         for (Object param : msg.getParams()) {
             Encoder encoder = msg.getCommand().getParamsEncoder();
-            if (msg.getCommand().getInParamIndex() == i && msg.getCommand().getInParamType() == ValueType.OBJECT) {
-                encoder = msg.getCodec().getValueEncoder();
-            } else if (msg.getCommand().getInParamIndex() <= i && msg.getCommand().getInParamType() != ValueType.OBJECT) {
-                encoder = encoder(msg, i - msg.getCommand().getInParamIndex());
+            if (msg.getCommand().getInParamType().size() == 1) {
+                if (msg.getCommand().getInParamIndex() == i && msg.getCommand().getInParamType().get(0) == ValueType.OBJECT) {
+                    encoder = msg.getCodec().getValueEncoder();
+                } else if (msg.getCommand().getInParamIndex() <= i && msg.getCommand().getInParamType().get(0) != ValueType.OBJECT) {
+                    encoder = encoder(msg, i - msg.getCommand().getInParamIndex());
+                }
+            } else {
+                int paramNum = i - msg.getCommand().getInParamIndex();
+                if (msg.getCommand().getInParamIndex() <= i) {
+                    encoder = encoder(msg, paramNum);
+                }
             }
 
             writeArgument(out, encoder.encode(i, param));
@@ -62,17 +69,21 @@ public class RedisEncoder extends MessageToByteEncoder<RedisData<Object, Object>
     }
 
     private Encoder encoder(RedisData<Object, Object> msg, int param) {
-        if (msg.getCommand().getInParamType() == ValueType.MAP) {
+        int typeIndex = 0;
+        if (msg.getCommand().getInParamType().size() > 1) {
+            typeIndex = param;
+        }
+        if (msg.getCommand().getInParamType().get(typeIndex) == ValueType.MAP) {
             if (param % 2 != 0) {
                 return msg.getCodec().getMapValueEncoder();
             } else {
                 return msg.getCodec().getMapKeyEncoder();
             }
         }
-        if (msg.getCommand().getInParamType() == ValueType.MAP_KEY) {
+        if (msg.getCommand().getInParamType().get(typeIndex) == ValueType.MAP_KEY) {
             return msg.getCodec().getMapKeyEncoder();
         }
-        if (msg.getCommand().getInParamType() == ValueType.MAP_KEY) {
+        if (msg.getCommand().getInParamType().get(typeIndex) == ValueType.MAP_VALUE) {
             return msg.getCodec().getMapValueEncoder();
         }
         throw new IllegalStateException();

src/main/java/org/redisson/client/protocol/RedisCommand.java

@@ -15,14 +15,17 @@
  */
 package org.redisson.client.protocol;
 
-import org.redisson.client.protocol.pubsub.MultiDecoder;
+import java.util.Arrays;
+import java.util.List;
+
+import org.redisson.client.protocol.decoder.MultiDecoder;
 
 public class RedisCommand<R> {
 
     public enum ValueType {OBJECT, MAP_VALUE, MAP_KEY, MAP}
 
     private ValueType outParamType = ValueType.OBJECT;
-    private ValueType inParamType = ValueType.OBJECT;
+    private List<ValueType> inParamType = Arrays.asList(ValueType.OBJECT);
     private final int inParamIndex;
 
     private final String name;
@@ -42,6 +45,17 @@ public class RedisCommand<R> {
         this.outParamType = outParamType;
     }
 
+    public RedisCommand(String name, int objectParamIndex, ValueType inParamType) {
+        this(name, null, null, null, objectParamIndex);
+        this.inParamType = Arrays.asList(inParamType);
+    }
+
+    public RedisCommand(String name, ValueType inParamType, ValueType outParamType) {
+        this(name, (String)null);
+        this.inParamType = Arrays.asList(inParamType);
+        this.outParamType = outParamType;
+    }
+
     public RedisCommand(String name, String subName) {
         this(name, subName, null, null, -1);
     }
@@ -56,15 +70,31 @@ public class RedisCommand<R> {
 
     public RedisCommand(String name, int encodeParamIndex, ValueType inParamType, ValueType outParamType) {
         this(name, null, null, null, encodeParamIndex);
+        this.inParamType = Arrays.asList(inParamType);
+        this.outParamType = outParamType;
+    }
+
+    public RedisCommand(String name, int encodeParamIndex, List<ValueType> inParamType, ValueType outParamType) {
+        this(name, null, null, null, encodeParamIndex);
+        this.inParamType = inParamType;
+        this.outParamType = outParamType;
+    }
+
+    public RedisCommand(String name, Decoder<R> reponseDecoder, int encodeParamIndex, List<ValueType> inParamType, ValueType outParamType) {
+        this(name, null, null, reponseDecoder, encodeParamIndex);
         this.inParamType = inParamType;
         this.outParamType = outParamType;
     }
 
+    public RedisCommand(String name, Decoder<R> reponseDecoder, int encodeParamIndex, List<ValueType> inParamType) {
+        this(name, null, null, reponseDecoder, encodeParamIndex);
+        this.inParamType = inParamType;
+    }
 
     public RedisCommand(String name, Convertor<R> convertor, int encodeParamIndex, ValueType inParamType) {
         this(name, null, null, null, encodeParamIndex);
         this.convertor = convertor;
-        this.inParamType = inParamType;
+        this.inParamType = Arrays.asList(inParamType);
     }
 
     public RedisCommand(String name, Convertor<R> convertor, int encodeParamIndex) {
@@ -78,7 +108,7 @@ public class RedisCommand<R> {
 
     public RedisCommand(String name, Decoder<R> reponseDecoder, int objectParamIndex, ValueType inParamType) {
         this(name, null, null, reponseDecoder, objectParamIndex);
-        this.inParamType = inParamType;
+        this.inParamType = Arrays.asList(inParamType);
     }
 
     public RedisCommand(String name, Decoder<R> reponseDecoder, int objectParamIndex) {
@@ -93,7 +123,7 @@ public class RedisCommand<R> {
     public RedisCommand(String name, MultiDecoder<R> replayMultiDecoder, int objectParamIndex, ValueType inParamType, ValueType outParamType) {
         this(name, replayMultiDecoder, objectParamIndex);
         this.outParamType = outParamType;
-        this.inParamType = inParamType;
+        this.inParamType = Arrays.asList(inParamType);
     }
 
     public RedisCommand(String name, MultiDecoder<R> replayMultiDecoder) {
@@ -146,7 +176,7 @@ public class RedisCommand<R> {
         return paramsEncoder;
     }
 
-    public ValueType getInParamType() {
+    public List<ValueType> getInParamType() {
         return inParamType;
     }
 

src/main/java/org/redisson/client/protocol/RedisCommands.java

@@ -19,8 +19,9 @@ import java.util.List;
 import java.util.Map;
 
 import org.redisson.client.protocol.RedisCommand.ValueType;
-import org.redisson.client.protocol.decoder.BooleanReplayDecoder;
+import org.redisson.client.protocol.decoder.BooleanStatusReplayDecoder;
 import org.redisson.client.protocol.decoder.KeyValueObjectDecoder;
+import org.redisson.client.protocol.decoder.MapScanResultReplayDecoder;
 import org.redisson.client.protocol.decoder.ObjectListReplayDecoder;
 import org.redisson.client.protocol.decoder.ObjectMapReplayDecoder;
 import org.redisson.client.protocol.decoder.StringDataDecoder;
@@ -30,6 +31,8 @@ import org.redisson.client.protocol.decoder.StringReplayDecoder;
 import org.redisson.client.protocol.pubsub.PubSubStatusDecoder;
 import org.redisson.client.protocol.pubsub.PubSubStatusMessage;
 
+import com.lambdaworks.redis.output.MapScanResult;
+
 public interface RedisCommands {
 
     RedisCommand<Object> LPOP = new RedisCommand<Object>("LPOP");
@@ -50,7 +53,7 @@ public interface RedisCommands {
     RedisStrictCommand<Long> EVAL_INTEGER = new RedisStrictCommand<Long>("EVAL");
     RedisCommand<List<Object>> EVAL_LIST = new RedisCommand<List<Object>>("EVAL", new ObjectListReplayDecoder());
     RedisCommand<Object> EVAL_OBJECT = new RedisCommand<Object>("EVAL");
-    RedisCommand<Object> EVAL_MAP_VALUE = new RedisCommand<Object>("EVAL", ValueType.MAP_VALUE);
+    RedisCommand<Object> EVAL_MAP_VALUE = new RedisCommand<Object>("EVAL", 4, ValueType.MAP, ValueType.MAP_VALUE);
 
     RedisStrictCommand<Long> INCR = new RedisStrictCommand<Long>("INCR");
     RedisStrictCommand<Long> INCRBY = new RedisStrictCommand<Long>("INCRBY");
@@ -64,24 +67,27 @@ public interface RedisCommands {
 
     RedisStrictCommand<List<String>> KEYS = new RedisStrictCommand<List<String>>("KEYS", new StringListReplayDecoder());
 
+    RedisStrictCommand<String> HINCRBYFLOAT = new RedisStrictCommand<String>("HINCRBYFLOAT");
+    RedisCommand<MapScanResult<Object, Object>> HSCAN = new RedisCommand<MapScanResult<Object, Object>>("HSCAN", new MapScanResultReplayDecoder(), ValueType.MAP);
     RedisCommand<Map<Object, Object>> HGETALL = new RedisCommand<Map<Object, Object>>("HGETALL", new ObjectMapReplayDecoder(), ValueType.MAP);
     RedisCommand<List<Object>> HVALS = new RedisCommand<List<Object>>("HVALS", new ObjectListReplayDecoder(), ValueType.MAP_VALUE);
-    RedisCommand<Boolean> HEXISTS = new RedisCommand<Boolean>("HEXISTS", new BooleanReplayConvertor(), 1, ValueType.MAP_KEY);
+    RedisCommand<Boolean> HEXISTS = new RedisCommand<Boolean>("HEXISTS", new BooleanReplayConvertor(), 2, ValueType.MAP_KEY);
     RedisStrictCommand<Long> HLEN = new RedisStrictCommand<Long>("HLEN");
     RedisCommand<List<Object>> HKEYS = new RedisCommand<List<Object>>("HKEYS", new ObjectListReplayDecoder(), ValueType.MAP_KEY);
     RedisCommand<String> HMSET = new RedisCommand<String>("HMSET", new StringReplayDecoder(), 1, ValueType.MAP);
-    RedisCommand<List<Object>> HMGET = new RedisCommand<List<Object>>("HMGET", new ObjectListReplayDecoder(), 1, ValueType.MAP_KEY, ValueType.MAP_VALUE);
-    RedisCommand<Object> HGET = new RedisCommand<Object>("HGET", 1, ValueType.MAP_KEY, ValueType.MAP_VALUE);
+    RedisCommand<List<Object>> HMGET = new RedisCommand<List<Object>>("HMGET", new ObjectListReplayDecoder(), 2, ValueType.MAP_KEY, ValueType.MAP_VALUE);
+    RedisCommand<Object> HGET = new RedisCommand<Object>("HGET", 2, ValueType.MAP_KEY, ValueType.MAP_VALUE);
+    RedisCommand<Long> HDEL = new RedisStrictCommand<Long>("HDEL", 2, ValueType.MAP_KEY);
 
     RedisStrictCommand<Boolean> DEL_BOOLEAN = new RedisStrictCommand<Boolean>("DEL", new BooleanReplayConvertor());
 
     RedisCommand<Object> GET = new RedisCommand<Object>("GET");
-    RedisCommand<String> SET = new RedisCommand<String>("SET", new StringReplayDecoder(), 1);
+    RedisCommand<String> SET = new RedisCommand<String>("SET", new StringReplayDecoder(), 2);
     RedisCommand<String> SETEX = new RedisCommand<String>("SETEX", new StringReplayDecoder(), 2);
     RedisStrictCommand<Boolean> EXISTS = new RedisStrictCommand<Boolean>("EXISTS", new BooleanReplayConvertor());
 
     RedisStrictCommand<Boolean> RENAMENX = new RedisStrictCommand<Boolean>("RENAMENX", new BooleanReplayConvertor());
-    RedisStrictCommand<Boolean> RENAME = new RedisStrictCommand<Boolean>("RENAME", new BooleanReplayDecoder());
+    RedisStrictCommand<Boolean> RENAME = new RedisStrictCommand<Boolean>("RENAME", new BooleanStatusReplayDecoder());
 
     RedisCommand<Long> PUBLISH = new RedisCommand<Long>("PUBLISH", 1);
 

src/main/java/org/redisson/client/protocol/RedisStrictCommand.java

@@ -15,10 +15,14 @@
  */
 package org.redisson.client.protocol;
 
-import org.redisson.client.protocol.pubsub.MultiDecoder;
+import org.redisson.client.protocol.decoder.MultiDecoder;
 
 public class RedisStrictCommand<T> extends RedisCommand<T> {
 
+    public RedisStrictCommand(String name, int objectParamIndex, ValueType inParamType) {
+        super(name, (Decoder<T>)null, objectParamIndex, inParamType);
+    }
+
     public RedisStrictCommand(String name, MultiDecoder<T> replayMultiDecoder) {
         super(name, replayMultiDecoder);
     }

src/main/java/org/redisson/client/protocol/decoder/BooleanReplayDecoder2.java

@@ -0,0 +1,18 @@
+package org.redisson.client.protocol.decoder;
+
+import org.redisson.client.protocol.Decoder;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.util.CharsetUtil;
+
+public class BooleanReplayDecoder2 implements Decoder<Boolean> {
+
+    @Override
+    public Boolean decode(ByteBuf buf) {
+        if (buf == null) {
+            return false;
+        }
+        return "OK".equals(buf.toString(CharsetUtil.UTF_8));
+    }
+
+}

src/main/java/org/redisson/client/protocol/decoder/BooleanStatusReplayDecoder.java

@@ -5,7 +5,7 @@ import org.redisson.client.protocol.Decoder;
 import io.netty.buffer.ByteBuf;
 import io.netty.util.CharsetUtil;
 
-public class BooleanReplayDecoder implements Decoder<Boolean> {
+public class BooleanStatusReplayDecoder implements Decoder<Boolean> {
 
     @Override
     public Boolean decode(ByteBuf buf) {

src/main/java/org/redisson/client/protocol/decoder/KeyValueObjectDecoder.java

@@ -2,13 +2,15 @@ package org.redisson.client.protocol.decoder;
 
 import java.util.List;
 
-import org.redisson.client.protocol.pubsub.MultiDecoder;
-
 import io.netty.buffer.ByteBuf;
 import io.netty.util.CharsetUtil;
 
 public class KeyValueObjectDecoder implements MultiDecoder<Object> {
 
+    public MultiDecoder<Object> get() {
+        return (MultiDecoder<Object>) this;
+    }
+
     @Override
     public Object decode(ByteBuf buf) {
         String status = buf.toString(CharsetUtil.UTF_8);

src/main/java/org/redisson/client/protocol/decoder/LongReplayDecoder.java

@@ -0,0 +1,18 @@
+package org.redisson.client.protocol.decoder;
+
+import org.redisson.client.protocol.Decoder;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.util.CharsetUtil;
+
+public class LongReplayDecoder implements Decoder<Long> {
+
+    @Override
+    public Long decode(ByteBuf buf) {
+        if (buf == null) {
+            return 0L;
+        }
+        return Long.valueOf(buf.toString(CharsetUtil.UTF_8));
+    }
+
+}

src/main/java/org/redisson/client/protocol/decoder/MapScanResultReplayDecoder.java

@@ -0,0 +1,41 @@
+package org.redisson.client.protocol.decoder;
+
+import java.util.List;
+import java.util.Map;
+
+import com.lambdaworks.redis.output.MapScanResult;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.util.CharsetUtil;
+
+public class MapScanResultReplayDecoder implements MultiDecoder<MapScanResult<Object, Object>> {
+
+    ThreadLocal<MultiDecoder<?>> currentMultiDecoder = new ThreadLocal<MultiDecoder<?>>();
+    ThreadLocal<Boolean> posParsed = new ThreadLocal<Boolean>();
+    ObjectMapReplayDecoder nextDecoder = new ObjectMapReplayDecoder();
+
+    public MultiDecoder<?> get() {
+        if (currentMultiDecoder.get() == null) {
+            currentMultiDecoder.set(nextDecoder);
+            return nextDecoder;
+        }
+        return (MultiDecoder<?>) this;
+    }
+
+    @Override
+    public Object decode(ByteBuf buf) {
+        posParsed.set(true);
+        return Long.valueOf(buf.toString(CharsetUtil.UTF_8));
+    }
+
+    @Override
+    public MapScanResult<Object, Object> decode(List<Object> parts) {
+        return new MapScanResult<Object, Object>((Long)parts.get(0), (Map<Object, Object>)parts.get(1));
+    }
+
+    @Override
+    public boolean isApplicable(int paramNum) {
+        return paramNum == 0 && posParsed.get() == null;
+    }
+
+}

src/main/java/org/redisson/client/protocol/decoder/MultiDecoder.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.redisson.client.protocol.pubsub;
+package org.redisson.client.protocol.decoder;
 
 import java.util.List;
 
@@ -21,6 +21,8 @@ import org.redisson.client.protocol.Decoder;
 
 public interface MultiDecoder<T> extends Decoder<Object> {
 
+    MultiDecoder<?> get();
+
     boolean isApplicable(int paramNum);
 
     T decode(List<Object> parts);

src/main/java/org/redisson/client/protocol/decoder/ObjectListReplayDecoder.java

@@ -2,8 +2,6 @@ package org.redisson.client.protocol.decoder;
 
 import java.util.List;
 
-import org.redisson.client.protocol.pubsub.MultiDecoder;
-
 import io.netty.buffer.ByteBuf;
 
 public class ObjectListReplayDecoder implements MultiDecoder<List<Object>> {
@@ -23,4 +21,9 @@ public class ObjectListReplayDecoder implements MultiDecoder<List<Object>> {
         return false;
     }
 
+    @Override
+    public MultiDecoder<?> get() {
+        return this;
+    }
+
 }

src/main/java/org/redisson/client/protocol/decoder/ObjectMapReplayDecoder.java

@@ -4,12 +4,15 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.redisson.client.protocol.pubsub.MultiDecoder;
-
 import io.netty.buffer.ByteBuf;
 
 public class ObjectMapReplayDecoder implements MultiDecoder<Map<Object, Object>> {
 
+    @Override
+    public MultiDecoder<?> get() {
+        return this;
+    }
+
     @Override
     public Object decode(ByteBuf buf) {
         throw new UnsupportedOperationException();
@@ -20,7 +23,7 @@ public class ObjectMapReplayDecoder implements MultiDecoder<Map<Object, Object>>
         Map<Object, Object> result = new HashMap<Object, Object>(parts.size()/2);
         for (int i = 0; i < parts.size(); i++) {
             if (i % 2 != 0) {
-                result.put(parts.get(i-1).toString(), parts.get(i).toString());
+                result.put(parts.get(i-1), parts.get(i));
            }
         }
         return result;

src/main/java/org/redisson/client/protocol/decoder/StringListReplayDecoder.java

@@ -3,13 +3,16 @@ package org.redisson.client.protocol.decoder;
 import java.util.Arrays;
 import java.util.List;
 
-import org.redisson.client.protocol.pubsub.MultiDecoder;
-
 import io.netty.buffer.ByteBuf;
 import io.netty.util.CharsetUtil;
 
 public class StringListReplayDecoder implements MultiDecoder<List<String>> {
 
+    @Override
+    public MultiDecoder<?> get() {
+        return this;
+    }
+
     @Override
     public Object decode(ByteBuf buf) {
         return buf.toString(CharsetUtil.UTF_8);

src/main/java/org/redisson/client/protocol/decoder/StringMapReplayDecoder.java

@@ -6,13 +6,16 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.redisson.client.protocol.pubsub.MultiDecoder;
-
 import io.netty.buffer.ByteBuf;
 import io.netty.util.CharsetUtil;
 
 public class StringMapReplayDecoder implements MultiDecoder<List<Map<String, String>>> {
 
+    @Override
+    public MultiDecoder<?> get() {
+        return this;
+    }
+
     @Override
     public Object decode(ByteBuf buf) {
         return buf.toString(CharsetUtil.UTF_8);
@@ -20,6 +23,7 @@ public class StringMapReplayDecoder implements MultiDecoder<List<Map<String, Str
 
     @Override
     public List<Map<String, String>> decode(List<Object> parts) {
+        // TODO refactor
         if (!parts.isEmpty()) {
             if (parts.get(0) instanceof List) {
                 List<Map<String, String>> result = new ArrayList<Map<String, String>>(parts.size());

src/main/java/org/redisson/client/protocol/pubsub/PubSubMessageDecoder.java

@@ -17,6 +17,8 @@ package org.redisson.client.protocol.pubsub;
 
 import java.util.List;
 
+import org.redisson.client.protocol.decoder.MultiDecoder;
+
 import io.netty.buffer.ByteBuf;
 import io.netty.util.CharsetUtil;
 
@@ -39,4 +41,9 @@ public class PubSubMessageDecoder implements MultiDecoder<Object> {
         return true;
     }
 
+    @Override
+    public MultiDecoder<?> get() {
+        return this;
+    }
+
 }

src/main/java/org/redisson/client/protocol/pubsub/PubSubPatternMessageDecoder.java

@@ -17,6 +17,8 @@ package org.redisson.client.protocol.pubsub;
 
 import java.util.List;
 
+import org.redisson.client.protocol.decoder.MultiDecoder;
+
 import io.netty.buffer.ByteBuf;
 import io.netty.util.CharsetUtil;
 
@@ -39,4 +41,9 @@ public class PubSubPatternMessageDecoder implements MultiDecoder<Object> {
         return true;
     }
 
+    @Override
+    public MultiDecoder<?> get() {
+        return this;
+    }
+
 }

src/main/java/org/redisson/client/protocol/pubsub/PubSubStatusDecoder.java

@@ -18,6 +18,8 @@ package org.redisson.client.protocol.pubsub;
 import java.util.ArrayList;
 import java.util.List;
 
+import org.redisson.client.protocol.decoder.MultiDecoder;
+
 import io.netty.buffer.ByteBuf;
 import io.netty.util.CharsetUtil;
 
@@ -44,4 +46,9 @@ public class PubSubStatusDecoder implements MultiDecoder<PubSubStatusMessage> {
         return true;
     }
 
+    @Override
+    public MultiDecoder<?> get() {
+        return this;
+    }
+
 }