Github user mjsax commented on a diff in the pull request:
https://github.com/apache/flink/pull/1813#discussion_r69430042
--- Diff:
flink-streaming-connectors/flink-connector-redis/src/main/java/org/apache/flink/streaming/connectors/redis/common/config/FlinkJedisSentinelConfig.java
---
@@ -0,0 +1,267 @@
+/*
+ * 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.config;
+
+import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
+import org.apache.flink.util.Preconditions;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import redis.clients.jedis.Protocol;
+
+import java.util.Set;
+
+/**
+ * Configuration for Jedis Sentinel Pool.
+ */
+public class FlinkJedisSentinelConfig extends FlinkJedisConfigBase {
+ private static final long serialVersionUID = 1L;
+
+ private static final Logger LOG =
LoggerFactory.getLogger(FlinkJedisSentinelConfig.class);
+
+ private String masterName;
+ private Set<String> sentinels;
+ private int soTimeout;
+ private String password;
+ private int database;
+
+ /**
+ * Jedis Sentinels config.
+ * The master name and sentinels are mandatory, and when you didn't set
these, it throws NullPointerException.
+ *
+ * @param masterName master name of the replica set
+ * @param sentinels set of sentinel hosts
+ * @param connectionTimeout timeout connection timeout
+ * @param soTimeout timeout socket timeout
+ * @param password password, if any
+ * @param database database database index
+ * @param maxTotal maxTotal the maximum number of objects that can be
allocated by the pool
+ * @param maxIdle the cap on the number of "idle" instances in the pool
+ * @param minIdle the minimum number of idle objects to maintain in the
pool
+ *
+ * @throws NullPointerException if {@code masterName} or {@code
sentinels} is {@code null}
+ * @throws IllegalArgumentException if {@code sentinels} are empty
+ */
+ private FlinkJedisSentinelConfig(String masterName, Set<String>
sentinels,
+ int
connectionTimeout, int soTimeout,
+ String
password, int database,
+ int
maxTotal, int maxIdle, int minIdle) {
+ super(connectionTimeout, maxTotal, maxIdle, minIdle);
+ Preconditions.checkNotNull(masterName, "Master name should be
presented");
+ Preconditions.checkNotNull(sentinels, "Sentinels information
should be presented");
+ Preconditions.checkArgument(!sentinels.isEmpty(), "Sentinel
hosts should not be empty");
+
+ this.masterName = masterName;
+ this.sentinels = sentinels;
--- End diff --
Should we copy this `Set` to guard against external modifications?
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