Add Redis 2.6 srandmember with count to Connections

DATAREDIS-116

src/main/java/org/springframework/data/redis/connection/DefaultStringRedisConnection.java

@@ -452,6 +452,10 @@ public class DefaultStringRedisConnection implements StringRedisConnection {
 		return delegate.sRandMember(key);
 	}
 
+	public Set<byte[]> sRandMember(byte[] key, long count) {
+		return delegate.sRandMember(key, count);
+	}
+
 	public Boolean sRem(byte[] key, byte[] value) {
 		return delegate.sRem(key, value);
 	}
@@ -1064,6 +1068,9 @@ public class DefaultStringRedisConnection implements StringRedisConnection {
 		return deserialize(delegate.sRandMember(serialize(key)));
 	}
 
+	public Set<String> sRandMember(String key, long count) {
+		return deserialize(delegate.sRandMember(serialize(key), count));
+	}
 	
 	public Boolean sRem(String key, String value) {
 		return delegate.sRem(serialize(key), serialize(value));

src/main/java/org/springframework/data/redis/connection/RedisSetCommands.java

@@ -52,4 +52,6 @@ public interface RedisSetCommands {
 	Set<byte[]> sMembers(byte[] key);
 
 	byte[] sRandMember(byte[] key);
+
+	Set<byte[]> sRandMember(byte[] key, long count);
 }

src/main/java/org/springframework/data/redis/connection/StringRedisConnection.java

@@ -187,6 +187,8 @@ public interface StringRedisConnection extends RedisConnection {
 
 	String sRandMember(String key);
 
+	Set<String> sRandMember(String key, long count);
+
 	Boolean zAdd(String key, double score, String value);
 
 	Boolean zRem(String key, String value);

src/main/java/org/springframework/data/redis/connection/jedis/JedisConnection.java

@@ -1691,6 +1691,9 @@ public class JedisConnection implements RedisConnection {
 		}
 	}
 
+	public Set<byte[]> sRandMember(byte[] key, long count) {
+		throw new UnsupportedOperationException();
+	}
 
 	public Boolean sRem(byte[] key, byte[] value) {
 		try {

src/main/java/org/springframework/data/redis/connection/jredis/JredisConnection.java

@@ -883,6 +883,11 @@ public class JredisConnection implements RedisConnection {
 	}
 
 
+	public Set<byte[]> sRandMember(byte[] key, long count) {
+		throw new UnsupportedOperationException();
+	}
+
+
 	public Boolean sRem(byte[] key, byte[] value) {
 		try {
 			return jredis.srem(key, value);

src/main/java/org/springframework/data/redis/connection/lettuce/LettuceConnection.java

@@ -1432,6 +1432,18 @@ public class LettuceConnection implements RedisConnection {
 		}
 	}
 
+	public Set<byte[]> sRandMember(byte[] key, long count) {
+		try {
+			if (isPipelined()) {
+				pipeline(getAsyncConnection().srandmember(key, count));
+				return null;
+			}
+			return getConnection().srandmember(key, count);
+		} catch (Exception ex) {
+			throw convertLettuceAccessException(ex);
+		}
+	}
+
 	public Boolean sRem(byte[] key, byte[] value) {
 		try {
 			if (isPipelined()) {

src/main/java/org/springframework/data/redis/connection/srp/SrpConnection.java

@@ -42,6 +42,7 @@ import redis.Command;
 import redis.client.RedisClient;
 import redis.client.RedisClient.Pipeline;
 import redis.client.RedisException;
+import redis.reply.MultiBulkReply;
 import redis.reply.Reply;
 
 import com.google.common.base.Charsets;
@@ -1383,6 +1384,17 @@ public class SrpConnection implements RedisConnection {
 		}
 	}
 
+	public Set<byte[]> sRandMember(byte[] key, long count) {
+		try {
+			if (isPipelined()) {
+				pipeline(pipeline.srandmember(key, count));
+				return null;
+			}
+			return SrpUtils.toSet(((MultiBulkReply)client.srandmember(key, count)).data());
+		} catch (Exception ex) {
+			throw convertSrpAccessException(ex);
+		}
+	}
 
 	public Boolean sRem(byte[] key, byte[] value) {
 		try {