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https://issues.apache.org/jira/browse/FLINK-3311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15195244#comment-15195244
 ] 

ASF GitHub Bot commented on FLINK-3311:
---------------------------------------

Github user rmetzger commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1771#discussion_r56156903
  
    --- Diff: flink-streaming-connectors/flink-connector-cassandra/pom.xml ---
    @@ -0,0 +1,175 @@
    +<?xml version="1.0" encoding="UTF-8"?>
    +<!--
    +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.
    +-->
    +<project xmlns="http://maven.apache.org/POM/4.0.0";
    +            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
    +            xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/maven-v4_0_0.xsd";>
    +
    +   <modelVersion>4.0.0</modelVersion>
    +
    +   <parent>
    +           <groupId>org.apache.flink</groupId>
    +           <artifactId>flink-streaming-connectors</artifactId>
    +           <version>1.1-SNAPSHOT</version>
    +           <relativePath>..</relativePath>
    +   </parent>
    +
    +   <artifactId>flink-connector-cassandra_2.10</artifactId>
    +   <name>flink-connector-cassandra</name>
    +
    +   <packaging>jar</packaging>
    +
    +   <!-- Allow users to pass custom connector versions -->
    +   <properties>
    +           <cassandra.version>2.2.5</cassandra.version>
    +           <driver.version>3.0.0</driver.version>
    +   </properties>
    +
    +   <build>
    +           <plugins>
    +                   <plugin>
    +                           <groupId>org.apache.maven.plugins</groupId>
    +                           <artifactId>maven-surefire-plugin</artifactId>
    +                           <configuration>
    +                                   <reuseForks>true</reuseForks>
    +                                   <forkCount>1</forkCount>
    +                           </configuration>
    +                   </plugin>
    +                   <plugin>
    +                           <groupId>org.apache.maven.plugins</groupId>
    +                           <artifactId>maven-shade-plugin</artifactId>
    +                           <version>2.4.1</version>
    +                           <executions>
    +                                   <!-- Run shade goal on package phase -->
    +                                   <execution>
    +                                           <phase>package</phase>
    +                                           <goals>
    +                                                   <goal>shade</goal>
    +                                           </goals>
    +                                           <configuration>
    +                                                   <artifactSet>
    +                                                           <includes>
    +                                                                   
<include>com.datastax.cassandra:cassandra-driver-core</include>
    +                                                                   
<include>com.datastax.cassandra:cassandra-driver-mapping</include>
    +                                                           </includes>
    +                                                   </artifactSet>
    +                                                   <relocations>
    +                                                           <relocation>
    +                                                                   
<pattern>com.google</pattern>
    +                                                                   
<shadedPattern>org.apache.flink.shaded.com.google</shadedPattern>
    +                                                                   
<excludes>
    +                                                                           
<exclude>com.google.protobuf.**</exclude>
    +                                                                           
<exclude>com.google.inject.**</exclude>
    +                                                                   
</excludes>
    +                                                           </relocation>
    +                                                   </relocations>
    +                                           </configuration>
    +                                   </execution>
    +                           </executions>
    +                   </plugin>
    +           </plugins>
    +   </build>
    +
    +   <dependencies>
    +           <dependency>
    +                   <groupId>org.apache.flink</groupId>
    +                   <artifactId>flink-streaming-java_2.10</artifactId>
    +                   <version>${project.version}</version>
    +                   <scope>provided</scope>
    +           </dependency>
    +           <dependency>
    +                   <groupId>com.datastax.cassandra</groupId>
    +                   <artifactId>cassandra-driver-core</artifactId>
    +                   <version>${driver.version}</version>
    +                   <exclusions>
    +                           <exclusion>
    +                                   <groupId>org.slf4j</groupId>
    +                                   
<artifactId>log4j-over-slf4j</artifactId>
    +                           </exclusion>
    +                           <exclusion>
    +                                   <groupId>ch.qos.logback</groupId>
    +                                   <artifactId>logback-classic</artifactId>
    +                           </exclusion>
    +                   </exclusions>
    +           </dependency>
    +           <dependency>
    +                   <groupId>com.datastax.cassandra</groupId>
    +                   <artifactId>cassandra-driver-mapping</artifactId>
    +                   <version>${driver.version}</version>
    +                   <exclusions>
    +                           <exclusion>
    +                                   <groupId>org.slf4j</groupId>
    +                                   
<artifactId>log4j-over-slf4j</artifactId>
    +                           </exclusion>
    +                           <exclusion>
    +                                   <groupId>ch.qos.logback</groupId>
    +                                   <artifactId>logback-classic</artifactId>
    +                           </exclusion>
    +                   </exclusions>
    +           </dependency>
    +           <dependency>
    +                   <groupId>com.google.guava</groupId>
    +                   <artifactId>guava</artifactId>
    +                   <version>16.0.1</version>
    --- End diff --
    
    Please use the `guava.version` variable here to use the same guava version 
across Flink


> Add a connector for streaming data into Cassandra
> -------------------------------------------------
>
>                 Key: FLINK-3311
>                 URL: https://issues.apache.org/jira/browse/FLINK-3311
>             Project: Flink
>          Issue Type: New Feature
>          Components: Streaming Connectors
>            Reporter: Robert Metzger
>            Assignee: Andrea Sella
>
> We had users in the past asking for a Flink+Cassandra integration.
> It seems that there is a well-developed java client for connecting into 
> Cassandra: https://github.com/datastax/java-driver (ASL 2.0)
> There are also tutorials out there on how to start a local cassandra instance 
> (for the tests): 
> http://prettyprint.me/prettyprint.me/2010/02/14/running-cassandra-as-an-embedded-service/index.html
> For the data types, I think we should support TupleX types, and map standard 
> java types to the respective cassandra types.
> In addition, it seems that there is a object mapper from datastax to store 
> POJOs in Cassandra (there are annotations for defining the primary key and 
> types)



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