README.md

Column

Cassandra: Apache Cassandra is a free and open-source distributed database management system designed to handle large amounts of data across many commodity servers, providing high availability with no single point of failure.

Check the code

This part has two configuration files and six classes

• src/main/resources/META-INF/beans.xml: CDI configuration file

• src/main/resources/diana-cassandra.properties: Database connection configuration file

• org.jnosql.demo.column.ColumnFamilyManagerProducer: Connection handler

• org.jnosql.demo.column.Person: This class is a org.jnosql.artemis.Entity to model a Person

• org.jnosql.demo.column.PersonBuilder: builder to create a Person entity

• org.jnosql.demo.column.PersonRepository: Artemis Repository for Person entity

• org.jnosql.demo.column.App: This class will be used to make the exercises.

  • This class creates and persist into Cassandra one person with two telephone numbers and whith Id 1 and then queries it:

   private static final Person PERSON = Person.builder()
   				     .withPhones(Arrays.asList("234", "432"))
   				     .withName("Name").withId(1).build();
     

• org.jnosql.demo.column.App2: This class will be used to make the exercises.

  • This class creates and persist into Cassandra one person with two telephone numbers and whith Id 1 and then queries it:

   private static final Person PERSON = Person.builder()
   				    .withPhones(Arrays.asList("234", "432"))
   				    .withName("Name").withId(1).build();
  

Start the workshop

1. Run the Cassandra Docker instance

   docker run -d --name casandra-instance -p 9042:9042 cassandra
   

2. Compile the project via Maven

   mvn compile
   

3. Run the project via Maven

   mvn exec:java -Dexec.mainClass="org.jnosql.demo.column.App"
   
   mvn exec:java -Dexec.mainClass="org.jnosql.demo.column.App2"
   

Time to practice

Now, It is time you explore the code: add new persons, more relationships, and create new queries. Also you can try to an create your own entities that can be used to respond some questions, next some ideas:

• Implement some searches against a MongoDB
• Search JUG members in a given city
• Search JUG members of legal drinking age
• Search JUGs in a region