Github user mjsax commented on a diff in the pull request:
https://github.com/apache/flink/pull/1813#discussion_r67622177
--- Diff:
flink-streaming-connectors/flink-connector-redis/src/main/java/org/apache/flink/streaming/connectors/redis/common/container/RedisClusterContainer.java
---
@@ -0,0 +1,190 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.flink.streaming.connectors.redis.common.container;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import redis.clients.jedis.JedisCluster;
+
+import java.io.Closeable;
+import java.io.IOException;
+
+/**
+ * Redis command container if we want to connect to a Redis cluster.
+ */
+public class RedisClusterContainer implements RedisCommandsContainer,
Closeable {
+
+ private static final long serialVersionUID = 1L;
+
+ private static final Logger LOG =
LoggerFactory.getLogger(RedisClusterContainer.class);
+
+ private JedisCluster jedisCluster;
+
+ /**
+ * Initialize Redis command container for Redis cluster.
+ *
+ * @param jedisCluster JedisCluster instance
+ */
+ public RedisClusterContainer(JedisCluster jedisCluster) {
+ this.jedisCluster = jedisCluster;
+ }
+
+ /**
+ * Sets field in the hash stored at key to value.
+ * If key does not exist, a new key holding a hash is created.
+ * If field already exists in the hash, it is overwritten.
+ *
+ * @param hashName Hash name
+ * @param key Hash field name
+ * @param value Hash value
+ */
+ @Override
+ public void hset(final String hashName, final String key, final String
value) {
+ try {
+ jedisCluster.hset(hashName, key, value);
+ } catch (Exception e) {
+ if (LOG.isErrorEnabled()) {
+ LOG.error("Cannot send Redis message with
command HSET to hash {} error message {}",
+ hashName, key, e.getMessage());
+ }
+ }
+ }
+
+ /**
+ * Insert all the specified values at the tail of the list stored at
key.
--- End diff --
Why "all ... values" -- it is a single string. Or do I miss something?
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