Refactor redis cluster connection handler and add JedisAskDataException handling

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

@@ -0,0 +1,33 @@
+package redis.clients.jedis;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Random;
+import java.util.Set;
+
+import redis.clients.util.Pool;
+
+public class JedisRandomConnectionHandler implements JedisClusterConnectionHandler {
+
+	private Map<String, JedisPool> nodes = new HashMap<String, JedisPool>();
+	
+	public JedisRandomConnectionHandler(Set<HostAndPort> nodes) {
+		initializeSlotsCache(nodes);
+	}
+
+	private void initializeSlotsCache(Set<HostAndPort> nodes) {
+		for (HostAndPort hostAndPort : nodes) {
+			JedisPool jp = new JedisPool(hostAndPort.getHost(),
+					hostAndPort.getPort());
+			this.nodes.put(hostAndPort.getHost() + hostAndPort.getPort(), jp);
+		}
+
+	}
+	
+	@SuppressWarnings("unchecked")
+	public Jedis getConnection() {
+		Object[] nodeArray =  nodes.values().toArray();
+		return ((Pool<Jedis>) nodeArray[new Random().nextInt(nodeArray.length)]).getResource();
+	}
+
+}