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https://issues.apache.org/jira/browse/FLINK-3034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15338753#comment-15338753
]
ASF GitHub Bot commented on FLINK-3034:
---------------------------------------
Github user mjsax commented on a diff in the pull request:
https://github.com/apache/flink/pull/1813#discussion_r67622660
--- Diff:
flink-streaming-connectors/flink-connector-redis/src/test/java/org/apache/flink/streaming/connectors/redis/RedisSinkTest.java
---
@@ -0,0 +1,221 @@
+/*
+ * 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 org.apache.flink.api.java.tuple.Tuple2;
+import org.apache.flink.streaming.api.datastream.DataStreamSource;
+import
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
+import org.apache.flink.streaming.api.functions.source.SourceFunction;
+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.mapper.RedisDataType;
+import
org.apache.flink.streaming.connectors.redis.common.mapper.RedisDataTypeDescription;
+import
org.apache.flink.streaming.connectors.redis.common.mapper.RedisMapper;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import redis.clients.jedis.Jedis;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+public class RedisSinkTest extends RedisTestBase {
+
+ private JedisPoolConfig jedisPoolConfig;
+ private static final Long NUM_ELEMENTS = 20L;
+ private static final String REDIS_KEY = "TEST_KEY";
+ private static final String REDIS_ADDITIONAL_KEY =
"TEST_ADDITIONAL_KEY";
+
+ StreamExecutionEnvironment env;
+
+
+ private Jedis jedis;
+
+ @Before
+ public void setUp(){
+ jedisPoolConfig = new JedisPoolConfig.Builder()
+ .setHost(REDIS_HOST)
+ .setPort(REDIS_PORT).build();
+ jedis = new Jedis(REDIS_HOST, REDIS_PORT);
+ env = StreamExecutionEnvironment.getExecutionEnvironment();
+ }
+
+ @Test
+ public void testRedisListDataType() throws Exception {
+ DataStreamSource<Tuple2<String, String>> source =
env.addSource(new TestSourceFunction());
+ RedisSink<Tuple2<String, String>> redisSink = new
RedisSink<>(jedisPoolConfig,
+ new RedisDataMapper(RedisDataType.LIST));
+
+ source.addSink(redisSink);
+ env.execute("Test Redis List Data Type");
+
+ assertEquals(NUM_ELEMENTS, jedis.llen(REDIS_KEY));
+
+ jedis.del(REDIS_KEY);
+ }
+
+ @Test
+ public void testRedisSetDataType() throws Exception {
+ DataStreamSource<Tuple2<String, String>> source =
env.addSource(new TestSourceFunction());
+ RedisSink<Tuple2<String, String>> redisSink = new
RedisSink<>(jedisPoolConfig,
+ new RedisDataMapper(RedisDataType.SET));
+
+ source.addSink(redisSink);
+ env.execute("Test Redis Set Data Type");
+
+ assertEquals(NUM_ELEMENTS, jedis.scard(REDIS_KEY));
+
+ jedis.del(REDIS_KEY);
+ }
+
+ @Test
+ public void testRedisHyperLogLogDataType() throws Exception {
+ DataStreamSource<Tuple2<String, String>> source =
env.addSource(new TestSourceFunction());
+ RedisSink<Tuple2<String, String>> redisSink = new
RedisSink<>(jedisPoolConfig,
+ new RedisDataMapper(RedisDataType.HYPER_LOG_LOG));
+
+ source.addSink(redisSink);
+ env.execute("Test Redis Hyper Log Log Data Type");
+
+ assertEquals(NUM_ELEMENTS,
Long.valueOf(jedis.pfcount(REDIS_KEY)));
+
+ jedis.del(REDIS_KEY);
+ }
+
+ @Test
+ public void testRedisSortedSetDataType() throws Exception {
+ DataStreamSource<Tuple2<String, String>> source =
env.addSource(new TestSourceFunctionAdditionalKey());
+ RedisSink<Tuple2<String, String>> redisSink = new
RedisSink<>(jedisPoolConfig,
+ new
RedisAdditionalDataMapper(RedisDataType.SORTED_SET));
+
+ source.addSink(redisSink);
+ env.execute("Test Redis Sorted Set Data Type");
+
+ assertEquals(NUM_ELEMENTS, jedis.zcard(REDIS_ADDITIONAL_KEY));
+
+ jedis.del(REDIS_ADDITIONAL_KEY);
+ }
+
+ @Test
+ public void testRedisHashDataType() throws Exception {
+ DataStreamSource<Tuple2<String, String>> source =
env.addSource(new TestSourceFunctionAdditionalKey());
+ RedisSink<Tuple2<String, String>> redisSink = new
RedisSink<>(jedisPoolConfig,
+ new RedisAdditionalDataMapper(RedisDataType.HASH));
+
+ source.addSink(redisSink);
+ env.execute("Test Redis Hash Data Type");
+
+ assertEquals(NUM_ELEMENTS, jedis.hlen(REDIS_ADDITIONAL_KEY));
+
+ jedis.del(REDIS_ADDITIONAL_KEY);
+ }
+
+ @Test(expected=NullPointerException.class)
+ public void shouldThrowNullPointExceptionIfDataMapperIsNull(){
+ new RedisSink(new JedisClusterConfig.Builder().build(), null);
+ }
+
+ @After
+ public void tearDown(){
+ if(jedis != null){
+ jedis.close();
+ }
+ }
+
+ private static class TestSourceFunction implements
SourceFunction<Tuple2<String, String>> {
+ private static final long serialVersionUID = 1L;
+
+ private volatile boolean running = true;
+
+ @Override
+ public void run(SourceContext<Tuple2<String, String>> ctx)
throws Exception {
+ for (int i = 0; i < NUM_ELEMENTS && running; i++) {
+ ctx.collect(new Tuple2<>(REDIS_KEY, "message #"
+ i));
+ }
+ }
+
+ @Override
+ public void cancel() {
+ running = false;
+ }
+ }
+
+ private static class TestSourceFunctionAdditionalKey implements
SourceFunction<Tuple2<String, String>> {
+ private static final long serialVersionUID = 1L;
+
+ private volatile boolean running = true;
+
+ @Override
+ public void run(SourceContext<Tuple2<String, String>> ctx)
throws Exception {
+ for (int i = 0; i < NUM_ELEMENTS && running; i++) {
+ ctx.collect(new Tuple2<>("" + i, "message #" +
i));
+ }
+ }
+
+ @Override
+ public void cancel() {
+ running = false;
+ }
+ }
+
+ public static class RedisDataMapper implements
RedisMapper<Tuple2<String, String>>{
+
+ private RedisDataType dataType;
+
+ public RedisDataMapper(RedisDataType dataType){
+ this.dataType = dataType;
+ }
+ @Override
+ public RedisDataTypeDescription getDataTypeDescription() {
+ return new RedisDataTypeDescription(dataType);
+ }
+
+ @Override
+ public String getKeyFromData(Tuple2 data) {
+ return String.valueOf(data.f0);
--- End diff --
return data.f0;
should be sufficient.
> Redis SInk Connector
> --------------------
>
> Key: FLINK-3034
> URL: https://issues.apache.org/jira/browse/FLINK-3034
> Project: Flink
> Issue Type: New Feature
> Components: Streaming Connectors
> Reporter: Matthias J. Sax
> Assignee: Subhankar Biswas
> Priority: Minor
>
> Flink does not provide a sink connector for Redis.
> See FLINK-3033
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