Make JedisCluster multihread by improving connection handling

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

@@ -5,25 +5,12 @@ import java.util.Set;
 public class JedisSlotBasedConnectionHandler extends
 	JedisClusterConnectionHandler {
 
-    private Jedis currentConnection;
-
     public JedisSlotBasedConnectionHandler(Set<HostAndPort> nodes) {
 	super(nodes);
     }
 
     public Jedis getConnection() {
-	return currentConnection != null ? currentConnection
-		: getRandomConnection().getResource();
-    }
-
-    private void returnCurrentConnection() {
-	if (currentConnection != null) {
-	    nodes.get(
-		    currentConnection.getClient().getHost()
-			    + currentConnection.getClient().getPort())
-		    .returnResource(currentConnection);
-	}
-
+	return getRandomConnection().getResource();
     }
 
     @Override
@@ -34,13 +21,11 @@ public class JedisSlotBasedConnectionHandler extends
 
     @Override
     public Jedis getConnectionFromSlot(int slot) {
-	returnCurrentConnection();
 	JedisPool connectionPool = slots.get(slot);
 	if (connectionPool == null) {
 	    connectionPool = getRandomConnection();
 	}
-	currentConnection = connectionPool.getResource();
-	return connectionPool.getResource();
+	return  connectionPool.getResource();
     }
 
 }