Merge pull request #148 from v1r3n/zadd_params

Implementation of zadd with parameters to support xx, nx and ch params

dyno-jedis/src/main/java/com/netflix/dyno/jedis/DynoJedisClient.java

@@ -1643,6 +1643,23 @@ public Long execute(Jedis client, ConnectionContext state) {
         });
     }
 
+    @Override
+	public Long zadd(String key, double score, String member, ZAddParams params) {
+		return d_zadd(key, score, member, params).getResult();
+	}
+
+    public OperationResult<Long> d_zadd(final String key, final double score, final String member, final ZAddParams params) {
+
+    	return connPool.executeWithFailover(new BaseKeyOperation<Long>(key, OpName.ZADD) {
+
+            @Override
+            public Long execute(Jedis client, ConnectionContext state) {
+            	return client.zadd(key, score, member, params);
+            }
+
+        });
+    }
+
     @Override
     public Long zcard(final String key) {
         return d_zcard(key).getResult();
@@ -3653,11 +3670,6 @@ public Long zadd(String arg0, Map<String, Double> arg1, ZAddParams arg2) {
         throw new UnsupportedOperationException("not yet implemented");
 	}
 
-	@Override
-	public Long zadd(String arg0, double arg1, String arg2, ZAddParams arg3) {
-        throw new UnsupportedOperationException("not yet implemented");
-	}
-
 	@Override
 	public Double zincrby(String arg0, double arg1, String arg2,
 			ZIncrByParams arg3) {