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README.md

Datasource Level Technologies Prerequisites Description
Cassandra Beginner Teiid, Dynamic VDB, Cassandra Translator Cassandra Server installed, keyspace and table created Demonstrates using the Cassandra Translator to access table in Cassandra.

What's this

This example demonstrates using the Cassandra Translator to access table in Cassandra. Dynamic VDB cassandra-vdb.xml be used to define view within DDL metadata.

The examples use java:/demoCassandra referenced to Cassandra data source, which will be setup automatically while the examples start running.

Prerequisites

There are 3 prerequisites which is necessary before run example.

1. Install Cassandra Server

Download one of stable version from cassandra dist page, Installing via unzip, for example

tar -xvf apache-cassandra-2.0.10-bin.tar.gz

2. Create keyspace and table

Create 'demo' keyspace and 'users' table as Cassandra wiki page

3. Edit cassandra.properties

Edit cassandra.properties make sure cassandra.address and cassandra.keybase point to cassandra server which setuped above.

Dependencies

To add Teiid runtime, admin

<dependency>
    <groupId>org.jboss.teiid</groupId>
    <artifactId>teiid-runtime</artifactId>
    <version>${version.teiid}</version>
</dependency>
<dependency>
    <groupId>org.jboss.teiid</groupId>
    <artifactId>teiid-admin</artifactId>
    <version>${version.teiid}</version>
</dependency>

To add Translators and Resource Adapters

<dependency>
    <groupId>org.jboss.teiid.connectors</groupId>
    <artifactId>translator-cassandra</artifactId>
    <version>${version.teiid}</version>
</dependency>		
<dependency>
    <groupId>org.jboss.teiid.connectors</groupId>
    <artifactId>connector-cassandra</artifactId>
    <version>${version.teiid}</version>
</dependency>

To add thirdpart dependencies

<dependency>
    <groupId>io.netty</groupId>
    <artifactId>netty</artifactId>
    <version>${version.io.netty}</version>
</dependency>
<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-api</artifactId>
    <version>${version.slf4j-api}</version>
</dependency>

Run

  • Run from Source code

Import source code to a IDE(Eclipse), run TeiidEmbeddedCassandraDataSource as Java Application.

  • Run from mvn
$ cd teiid-embedded-examples/cassandra-as-a-datasourse
$ mvn clean install
$ mvn exec:java