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About Emmanouil Gkatziouras

Emmanouil Gkatziouras
He is a versatile software engineer with experience in a wide variety of applications/services.He is enthusiastic about new projects, embracing new technologies, and getting to know people in the field of software.

Set up a SpringData project using Apache Cassandra

On this post we will use Gradle and spring boot in order to create a project that integrates spring-mvc and the Apache Cassandra database.

First we will begin with our Gradle configuration

group 'com.gkatzioura'
version '1.0-SNAPSHOT'

apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'idea'
apply plugin: 'spring-boot'

buildscript {
    repositories {
    dependencies {

jar {
    baseName = 'gs-serving-web-content'
    version =  '0.1.0'

repositories {

sourceCompatibility = 1.8

repositories {

dependencies {
    compile "org.springframework.boot:spring-boot-starter-thymeleaf"
    compile "org.springframework.data:spring-data-cassandra:1.2.2.RELEASE"
    compile 'org.slf4j:slf4j-api:1.6.6'
    compile 'ch.qos.logback:logback-classic:1.0.13'
    testCompile "junit:junit"

task wrapper(type: Wrapper) {
    gradleVersion = '2.3'

We will create the keyspace and the table on our Cassandra database:

CREATE KEYSPACE IF NOT EXISTS example WITH replication = {'class': 'SimpleStrategy', 'replication_factor': '1'}  AND durable_writes = true;

CREATE TABLE IF NOT EXISTS example.greetings (
    user text,
    id timeuuid,
    greet text,
    creation_date timestamp,
    PRIMARY KEY (user, id)

We can run a file containing cql statements by using cqlsh

cqlsh -f database_creation.cql

Cassandra connection information will reside on META-INF/cassandra.properties


Now we can proceed with the Cassandra configuration using spring annotations.

package com.gkatzioura.spring.config;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.env.Environment;
import org.springframework.data.cassandra.config.CassandraClusterFactoryBean;
import org.springframework.data.cassandra.config.CassandraSessionFactoryBean;
import org.springframework.data.cassandra.config.SchemaAction;
import org.springframework.data.cassandra.convert.CassandraConverter;
import org.springframework.data.cassandra.convert.MappingCassandraConverter;
import org.springframework.data.cassandra.core.CassandraOperations;
import org.springframework.data.cassandra.core.CassandraTemplate;
import org.springframework.data.cassandra.mapping.BasicCassandraMappingContext;
import org.springframework.data.cassandra.mapping.CassandraMappingContext;
import org.springframework.data.cassandra.repository.config.EnableCassandraRepositories;

@PropertySource(value = {"classpath:META-INF/cassandra.properties"})
@EnableCassandraRepositories(basePackages = {"com.gkatzioura.spring"})
public class CassandraConfig {

    private Environment environment;

    private static final Logger LOGGER = LoggerFactory.getLogger(CassandraConfig.class);

    public CassandraClusterFactoryBean cluster() {

        CassandraClusterFactoryBean cluster = new CassandraClusterFactoryBean();

        return cluster;

    public CassandraMappingContext mappingContext() {
        return new BasicCassandraMappingContext();

    public CassandraConverter converter() {
        return new MappingCassandraConverter(mappingContext());

    public CassandraSessionFactoryBean session() throws Exception {

        CassandraSessionFactoryBean session = new CassandraSessionFactoryBean();

        return session;

    public CassandraOperations cassandraTemplate() throws Exception {
        return new CassandraTemplate(session().getObject());


Then we create the Greeting entity.

package com.gkatzioura.spring.entity;

import com.datastax.driver.core.utils.UUIDs;
import org.springframework.cassandra.core.PrimaryKeyType;
import org.springframework.data.cassandra.mapping.Column;
import org.springframework.data.cassandra.mapping.PrimaryKeyColumn;
import org.springframework.data.cassandra.mapping.Table;

import java.util.Date;
import java.util.UUID;

@Table(value = "greetings")
public class Greeting {

    @PrimaryKeyColumn(name = "id",ordinal = 1,type = PrimaryKeyType.CLUSTERED)
    private UUID id = UUIDs.timeBased();

    @PrimaryKeyColumn(name="user",ordinal = 0,type = PrimaryKeyType.PARTITIONED)
    private String user;

    @Column(value = "greet")
    private String greet;

    @Column(value = "creation_date")
    private Date creationDate;

    public UUID getId() {
        return id;

    public void setId(UUID id) {
        this.id = id;

    public Date getCreationDate() {
        return creationDate;

    public void setCreationDate(Date creationDate) {
        this.creationDate = creationDate;

    public String getUser() {
        return user;

    public void setUser(String user) {
        this.user = user;

    public String getGreet() {
        return greet;

    public void setGreet(String greet) {
        this.greet = greet;

In order to access the data, a repository should be created. In our case we will add some extra functionality to the repository by adding some queries.

package com.gkatzioura.spring.repository;

import com.gkatzioura.spring.entity.Greeting;
import org.springframework.data.cassandra.repository.CassandraRepository;
import org.springframework.data.cassandra.repository.Query;
import org.springframework.data.repository.NoRepositoryBean;

import java.util.UUID;

public interface GreetRepository extends CassandraRepository<Greeting> {

    @Query("SELECT*FROM greetings WHERE user=?0 LIMIT ?1")
    Iterable<Greeting> findByUser(String user,Integer limit);

    @Query("SELECT*FROM greetings WHERE user=?0 AND id<?1 LIMIT ?2")
    Iterable<Greeting> findByUserFrom(String user,UUID from,Integer limit);


Now we can implement the controller in order to access the data through http. By post we can save a Greeting entity. Through get we can fetch all the greetings received. By specifying user we can use the Cassandra query to fetch greetings for a specific user.

package com.gkatzioura.spring.controller;

import com.gkatzioura.spring.entity.Greeting;
import com.gkatzioura.spring.repository.GreetRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

public class GreetingController {

    private GreetRepository greetRepository;

    @RequestMapping(value = "/greeting",method = RequestMethod.GET)
    public List<Greeting> greeting() {
        List<Greeting> greetings = new ArrayList<>();
        return greetings;

    @RequestMapping(value = "/greeting/{user}/",method = RequestMethod.GET)
    public List<Greeting> greetingUserLimit(@PathVariable String user,Integer limit) {
        List<Greeting> greetings = new ArrayList<>();
        greetRepository.findByUser(user,limit).forEach(e -> greetings.add(e));
        return greetings;

    @RequestMapping(value = "/greeting",method = RequestMethod.POST)
    public String saveGreeting(@RequestBody Greeting greeting) {

        greeting.setCreationDate(new Date());

        return "OK";


Last but not least our Application class

package com.gkatzioura.spring;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

public class Application {

    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);


In order to run just run:

gradle bootRun
Reference: Set up a SpringData project using Apache Cassandra from our JCG partner Emmanouil Gkatziouras at the gkatzioura blog.
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4 years ago

hello bro , what IDE you’re use for developing spring application ???

Emmanouil Gkatziouras
4 years ago
Reply to  Edward

You can use either idea eclipse or netbeans, it all comes down to your personal preference.

Mark Paluch
2 years ago

Good work here. No need to declare all the beans yourself. Extend your config class from AbstractCassandraConfiguration to benefit from pre-declared beans.