DATAREDIS-334 - Add binary alternative for RedisScriptingCommands.evalSha.

Introduced new evalSha method that accepts a byte[] as scriptSha as well
as a variable number of byte[] as keyValueArgs.

Original pull request: #99.

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

@@ -1230,6 +1230,14 @@ public class DefaultStringRedisConnection implements StringRedisConnection {
 		return result;
 	}
 
+	public <T> T evalSha(byte[] scriptSha1, ReturnType returnType, int numKeys, byte[]... keysAndArgs) {
+		T result = delegate.evalSha(scriptSha1, returnType, numKeys, keysAndArgs);
+		if (isFutureConversion()) {
+			addResultConverter(identityConverter);
+		}
+		return result;
+	}
+
 	//
 	// String methods
 	//

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

@@ -22,6 +22,7 @@ import java.util.List;
  * 
  * @author Costin Leau
  * @author Christoph Strobl
+ * @author David Liu
  */
 public interface RedisScriptingCommands {
 
@@ -81,4 +82,17 @@ public interface RedisScriptingCommands {
 	 * @return
 	 */
 	<T> T evalSha(String scriptSha, ReturnType returnType, int numKeys, byte[]... keysAndArgs);
+
+	/**
+	 * Evaluate given {@code scriptSha}.
+	 * 
+	 * @see http://redis.io/commands/evalsha
+	 * @param script
+	 * @param returnType
+	 * @param numKeys
+	 * @param keysAndArgs
+	 * @return
+	 * @since 1.5
+	 */
+	<T> T evalSha(byte[] scriptSha, ReturnType returnType, int numKeys, byte[]... keysAndArgs);
 }

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

@@ -87,6 +87,7 @@ import redis.clients.util.Pool;
  * @author Thomas Darimont
  * @author Jungtaek Lim
  * @author Konstantin Shchepanovskyi
+ * @author David Liu
  */
 public class JedisConnection extends AbstractRedisConnection {
 
@@ -2799,8 +2800,13 @@ public class JedisConnection extends AbstractRedisConnection {
 		}
 	}
 
-	@SuppressWarnings("unchecked")
 	public <T> T evalSha(String scriptSha1, ReturnType returnType, int numKeys, byte[]... keysAndArgs) {
+		return evalSha(JedisConverters.toBytes(scriptSha1), returnType, numKeys, keysAndArgs);
+	}
+
+	@SuppressWarnings("unchecked")
+	public <T> T evalSha(byte[] scriptSha1, ReturnType returnType, int numKeys, byte[]... keysAndArgs) {
+
 		if (isQueueing()) {
 			throw new UnsupportedOperationException();
 		}
@@ -2808,8 +2814,7 @@ public class JedisConnection extends AbstractRedisConnection {
 			throw new UnsupportedOperationException();
 		}
 		try {
-			return (T) new JedisScriptReturnConverter(returnType).convert(jedis.evalsha(JedisConverters.toBytes(scriptSha1),
-					numKeys, keysAndArgs));
+			return (T) new JedisScriptReturnConverter(returnType).convert(jedis.evalsha(scriptSha1, numKeys, keysAndArgs));
 		} catch (Exception ex) {
 			throw convertJedisAccessException(ex);
 		}

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

@@ -58,6 +58,7 @@ import org.springframework.util.ReflectionUtils;
  * @author Jennifer Hickey
  * @author Christoph Strobl
  * @author Thomas Darimont
+ * @author David Liu
  */
 public class JredisConnection extends AbstractRedisConnection {
 
@@ -1183,6 +1184,10 @@ public class JredisConnection extends AbstractRedisConnection {
 		throw new UnsupportedOperationException();
 	}
 
+	public <T> T evalSha(byte[] scriptSha1, ReturnType returnType, int numKeys, byte[]... keysAndArgs) {
+		throw new UnsupportedOperationException();
+	}
+
 	/*
 	 * (non-Javadoc)
 	 * @see org.springframework.data.redis.connection.RedisServerCommands#time()

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

@@ -99,6 +99,7 @@ import com.lambdaworks.redis.pubsub.RedisPubSubConnection;
  * @author Jennifer Hickey
  * @author Christoph Strobl
  * @author Thomas Darimont
+ * @author David Liu
  */
 public class LettuceConnection extends AbstractRedisConnection {
 
@@ -2849,6 +2850,10 @@ public class LettuceConnection extends AbstractRedisConnection {
 		}
 	}
 
+	public <T> T evalSha(byte[] scriptSha1, ReturnType returnType, int numKeys, byte[]... keysAndArgs) {
+		return evalSha(LettuceConverters.toString(scriptSha1), returnType, numKeys, keysAndArgs);
+	}
+
 	//
 	// Pub/Sub functionality
 	//

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

@@ -68,6 +68,7 @@ import com.google.common.util.concurrent.ListenableFuture;
  * @author Jennifer Hickey
  * @author Christoph Strobl
  * @author Thomas Darimont
+ * @author David Liu
  */
 public class SrpConnection extends AbstractRedisConnection {
 
@@ -2100,6 +2101,10 @@ public class SrpConnection extends AbstractRedisConnection {
 		}
 	}
 
+	public <T> T evalSha(byte[] scriptSha1, ReturnType returnType, int numKeys, byte[]... keysAndArgs) {
+		return evalSha(SrpConverters.toString(scriptSha1), returnType, numKeys, keysAndArgs);
+	}
+
 	//
 	// Pub/Sub functionality
 	//