MasterSlave consistency and old mode compatibility with shard names

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

@@ -22,11 +22,12 @@ public class JedisShardInfo extends ShardInfo<Jedis> {
     public String toString() {
         return host + ":" + port + "*" + getWeight();
     }
-
+    
     private int timeout;
     private String host;
     private int port;
     private String password = null;
+    private String name = null;
 
     public String getHost() {
         return host;
@@ -39,15 +40,27 @@ public class JedisShardInfo extends ShardInfo<Jedis> {
     public JedisShardInfo(String host) {
         this(host, Protocol.DEFAULT_PORT);
     }
-
+    public JedisShardInfo(String host, String name) {
+    	this(host, Protocol.DEFAULT_PORT, name);
+    }
+    	 
     public JedisShardInfo(String host, int port) {
         this(host, port, 2000);
     }
-
+    
+    public JedisShardInfo(String host, int port, String name) {
+    	this(host, port, 2000, name);
+    }
+    
     public JedisShardInfo(String host, int port, int timeout) {
         this(host, port, timeout, Sharded.DEFAULT_WEIGHT);
     }
-
+    
+    public JedisShardInfo(String host, int port, int timeout, String name) {
+    	this(host, port, timeout, Sharded.DEFAULT_WEIGHT);
+    	this.name = name;
+    }
+    
     public JedisShardInfo(String host, int port, int timeout, int weight) {
         super(weight);
         this.host = host;
@@ -70,6 +83,10 @@ public class JedisShardInfo extends ShardInfo<Jedis> {
     public void setTimeout(int timeout) {
         this.timeout = timeout;
     }
+    
+    public String getName() {
+    	return name ;
+    }
 
     @Override
     public Jedis createResource() {