Github user mjsax commented on a diff in the pull request:
https://github.com/apache/flink/pull/1813#discussion_r67622678
--- Diff:
flink-streaming-connectors/flink-connector-redis/src/main/java/org/apache/flink/streaming/connectors/redis/RedisSink.java
---
@@ -0,0 +1,235 @@
+/*
+ * 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;
+
+import com.google.common.base.Preconditions;
+
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.streaming.api.functions.sink.RichSinkFunction;
+import
org.apache.flink.streaming.connectors.redis.common.config.JedisClusterConfig;
+import
org.apache.flink.streaming.connectors.redis.common.config.JedisPoolConfig;
+import
org.apache.flink.streaming.connectors.redis.common.config.JedisSentinelConfig;
+import
org.apache.flink.streaming.connectors.redis.common.container.RedisCommandsContainer;
+import
org.apache.flink.streaming.connectors.redis.common.container.RedisCommandsContainerBuilder;
+import
org.apache.flink.streaming.connectors.redis.common.mapper.RedisDataType;
+import
org.apache.flink.streaming.connectors.redis.common.mapper.RedisDataTypeDescription;
+import
org.apache.flink.streaming.connectors.redis.common.mapper.RedisMapper;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+
+/**
+ * A sink that delivers data to a Redis channel using the Jedis client.
+ * <p>When creating the sink using first constructor {@link
#RedisSink(JedisPoolConfig, RedisMapper)}
+ * the sink will create connection using {@link
redis.clients.jedis.JedisPool}.
+ * <p>When using second constructor {@link #RedisSink(JedisSentinelConfig,
RedisMapper)} the sink will create connection
+ * using {@link redis.clients.jedis.JedisSentinelPool} to Redis cluster.
Use this if redis is
+ * configured using sentinels else use the third constructor {@link
#RedisSink(JedisClusterConfig, RedisMapper)}
+ * which use {@link redis.clients.jedis.JedisCluster} to connect to Redis
cluster.
+ *
+ * <p>Example:
+ *
+ * <pre>
+ *{@code
+ *public static class RedisExampleDataMapper implements
RedisMapper<Tuple2<String, String>> {
+ * public RedisDataTypeDescription getDataTypeDescription() {
+ * return new RedisDataTypeDescription(dataType,
REDIS_ADDITIONAL_KEY);
+ * }
+ * public String getKeyFromData(Tuple2 data) {
+ * return String.valueOf(data.f0);
--- End diff --
return data.f0;
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