flink-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From mjsax <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-3034][Streaming Connectors] Redis Sink ...
Date Wed, 03 Feb 2016 10:02:47 GMT
Github user mjsax commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1580#discussion_r51700184
  
    --- Diff: flink-streaming-connectors/flink-connector-redis/src/main/java/org/apache/flink/streaming/connectors/redis/RedisSink.java
---
    @@ -0,0 +1,107 @@
    +/*
    + * 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.configuration.Configuration;
    +import org.apache.flink.streaming.api.functions.sink.RichSinkFunction;
    +import org.apache.flink.streaming.util.serialization.SerializationSchema;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +import redis.clients.jedis.Jedis;
    +import redis.clients.jedis.JedisPool;
    +import redis.clients.jedis.JedisPoolConfig;
    +import redis.clients.jedis.Protocol;
    +import redis.clients.jedis.exceptions.JedisException;
    +
    +public class RedisSink<IN>  extends RichSinkFunction<IN> {
    +
    +	private static final int DEFAULT_TIMEOUT = 2000;
    +
    +	private static final long serialVersionUID = 1L;
    +
    +	private static final Logger logger = LoggerFactory.getLogger(RedisSink.class);
    +
    +	private String host;
    +	private int port;
    +	private String channel;
    +	private int timeOut;
    +	private int soTimeOut;
    +	private int database;
    +	private String password;
    +	private String clientName;
    +
    +	private SerializationSchema<IN> schema;
    +	private transient JedisPoolConfig poolConfig;
    +	private transient JedisPool jedisPool;
    +
    +
    +	public RedisSink(String host, int port,  String channel, SerializationSchema<IN>
schema) {
    +		this(host, port, channel, schema, DEFAULT_TIMEOUT, DEFAULT_TIMEOUT, null, Protocol.DEFAULT_DATABASE,
null);
    +	}
    +
    +	public RedisSink(String host, int port, String channel, SerializationSchema<IN>
schema, int timeOut, int soTimeOut, String password, int database, String clientName) {
    +		this(host, port, channel, schema, timeOut, soTimeOut, password, database, clientName,
null);
    +	}
    +
    +	public RedisSink(String host, int port, String channel, SerializationSchema<IN>
schema, int timeOut, int soTimeOut, String password, int database, String clientName, JedisPoolConfig
poolConfig) {
    +		this.host = host;
    +		this.port = port;
    +		this.channel = channel;
    +		this.schema = schema;
    +		this.timeOut = timeOut;
    +		this.soTimeOut = soTimeOut;
    +		this.password = password;
    +		this.database = database;
    +		this.clientName = clientName;
    +		this.poolConfig = poolConfig;
    +	}
    +
    +
    +	@Override
    +	public void invoke(IN value) throws Exception {
    +		try (Jedis jedis = jedisPool.getResource()) {
    +			byte[] msg = schema.serialize(value);
    +			jedis.publish(channel.getBytes(), msg);
    +		} catch (Exception e) {
    +			if (logger.isErrorEnabled()) {
    +				logger.error("Cannot send Redis message {}", channel);
    +			}
    +		}
    +	}
    +
    +	@Override
    +	public void open(Configuration parameters) throws Exception {
    +		if (this.poolConfig == null){
    +			this.poolConfig = new JedisPoolConfig();
    +		}
    +		this.jedisPool = new JedisPool(poolConfig, host, port, timeOut, soTimeOut, password,
database, clientName);
    +	}
    +
    +	@Override
    +	public void close() throws Exception {
    +		if (!jedisPool.isClosed()){
    +		try {
    --- End diff --
    
    indention


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastructure@apache.org or file a JIRA ticket
with INFRA.
---

Mime
View raw message