Gist for http://stackoverflow.com/questions/40594771/userdefinetype-spring-cassandra-org-springframework-data-mapping-model-mapping

App.java

/*
 * Copyright 2016 the original author or authors.
 *
 * Licensed 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 com.example;

import java.util.Arrays;
import java.util.List;
import java.util.UUID;

import org.springframework.beans.factory.BeanFactory;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.AutoConfigurationPackages;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.cassandra.CassandraProperties;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.domain.EntityScanPackages;
import org.springframework.context.annotation.Bean;
import org.springframework.data.cassandra.config.CassandraEntityClassScanner;
import org.springframework.data.cassandra.mapping.BasicCassandraMappingContext;
import org.springframework.data.cassandra.mapping.CassandraMappingContext;
import org.springframework.data.cassandra.mapping.SimpleUserTypeResolver;

import com.datastax.driver.core.Cluster;

@SpringBootApplication
public class App {

	private final BeanFactory beanFactory;

	public App(BeanFactory beanFactory) {
		this.beanFactory = beanFactory;
	}

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

	@Bean
	public CassandraMappingContext cassandraMapping(Cluster cluster, CassandraProperties cassandraProperties)
			throws ClassNotFoundException {
		BasicCassandraMappingContext context = new BasicCassandraMappingContext();
		List<String> packages = EntityScanPackages.get(this.beanFactory).getPackageNames();
		if (packages.isEmpty() && AutoConfigurationPackages.has(this.beanFactory)) {
			packages = AutoConfigurationPackages.get(this.beanFactory);
		}
		if (!packages.isEmpty()) {
			context.setInitialEntitySet(CassandraEntityClassScanner.scan(packages));
		}

		context.setUserTypeResolver(new SimpleUserTypeResolver(cluster, cassandraProperties.getKeyspaceName()));
		return context;
	}

	@Bean
	public CommandLineRunner demo(EmployeeRepository repository) {

		System.out.println("Pre-save");

		Employee employee = new Employee();
		EmployeeIdKey key = new EmployeeIdKey();
		key.setUserId("55550");
		key.setUuId(UUID.randomUUID());
		employee.setId(key);
		List<String> emailIds = Arrays.asList("myemail@domain.com", "myemail2@domain2.com");
		employee.setEmailId(emailIds);
		Person person = new Person("John", "Mathew");
		employee.setPerson(person);

		repository.save(employee);

		System.out.println("Saved");
		return null;
	}
}

application.properties

spring.data.cassandra.keyspace-name=example
spring.data.cassandra.schema-action=RECREATE

console.txt

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v1.4.2.RELEASE)

2016-11-14 19:40:43.236  INFO 1827 --- [           main] com.example.App                          : Starting App on mp911de-MBP.fritz.box with PID 1827 (/Users/mpaluch/playground/cassandra-playground/target/classes started by mpaluch in /Users/mpaluch/playground/cassandra-playground)
2016-11-14 19:40:43.239  INFO 1827 --- [           main] com.example.App                          : No active profile set, falling back to default profiles: default
2016-11-14 19:40:43.294  INFO 1827 --- [           main] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@3972a855: startup date [Mon Nov 14 19:40:43 CET 2016]; root of context hierarchy
2016-11-14 19:40:44.547  INFO 1827 --- [           main] com.datastax.driver.core.ClockFactory    : Using native clock to generate timestamps.
2016-11-14 19:40:44.792  INFO 1827 --- [           main] com.datastax.driver.core.NettyUtil       : Did not find Netty's native epoll transport in the classpath, defaulting to NIO.
2016-11-14 19:40:45.139  WARN 1827 --- [           main] com.datastax.driver.core.Cluster         : You listed localhost/0:0:0:0:0:0:0:1:9042 in your contact points, but it wasn't found in the control host's system.peers at startup
2016-11-14 19:40:45.247  INFO 1827 --- [           main] c.d.d.c.p.DCAwareRoundRobinPolicy        : Using data-center name 'datacenter1' for DCAwareRoundRobinPolicy (if this is incorrect, please provide the correct datacenter name with DCAwareRoundRobinPolicy constructor)
2016-11-14 19:40:45.248  INFO 1827 --- [           main] com.datastax.driver.core.Cluster         : New Cassandra host localhost/127.0.0.1:9042 added
Pre-save
Saved
2016-11-14 19:40:45.654  INFO 1827 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2016-11-14 19:40:45.663  INFO 1827 --- [           main] com.example.App                          : Started App in 2.749 seconds (JVM running for 3.252)
Disconnected from the target VM, address: '127.0.0.1:61247', transport: 'socket'
2016-11-14 19:40:48.366  INFO 1827 --- [       Thread-1] s.c.a.AnnotationConfigApplicationContext : Closing org.springframework.context.annotation.AnnotationConfigApplicationContext@3972a855: startup date [Mon Nov 14 19:40:43 CET 2016]; root of context hierarchy
2016-11-14 19:40:48.368  INFO 1827 --- [       Thread-1] o.s.j.e.a.AnnotationMBeanExporter        : Unregistering JMX-exposed beans on shutdown

Process finished with exit code 130 (interrupted by signal 2: SIGINT)

Employee.java

/*
 * Copyright 2016 the original author or authors.
 *
 * Licensed 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 com.example;

import java.util.List;

import org.springframework.data.cassandra.mapping.Column;
import org.springframework.data.cassandra.mapping.PrimaryKey;
import org.springframework.data.cassandra.mapping.Table;

import lombok.Data;

@Table("employee")
@Data
public class Employee {

	@PrimaryKey private EmployeeIdKey id;

	private Person person;

	@Column("employee_no") private String employeeNo;

	@Column("email_ids") private List<String> emailId;
	// Getters and setters
}

EmployeeIdKey.java

/*
 * Copyright 2016 the original author or authors.
 *
 * Licensed 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 com.example;

import java.io.Serializable;
import java.util.UUID;

import org.springframework.cassandra.core.PrimaryKeyType;
import org.springframework.data.cassandra.mapping.CassandraType;
import org.springframework.data.cassandra.mapping.PrimaryKeyClass;
import org.springframework.data.cassandra.mapping.PrimaryKeyColumn;

import com.datastax.driver.core.DataType;

import lombok.Data;

@PrimaryKeyClass
@Data
public class EmployeeIdKey implements Serializable {

	@PrimaryKeyColumn(ordinal = 0, type = PrimaryKeyType.PARTITIONED,
			name = "id") @CassandraType(type = DataType.Name.UUID) private UUID id;
	@PrimaryKeyColumn(ordinal = 1, type = PrimaryKeyType.CLUSTERED,
			name = "user_id") @CassandraType(type = DataType.Name.TEXT) private String userId;

	public EmployeeIdKey() {
		id = null;
		userId = null;
	}

	public UUID getUuId() {
		return id;
	}

	public void setUuId(UUID uuId) {
		this.id = uuId;
	}

	public String getUserId() {
		return userId;
	}

	public void setUserId(String userId) {
		this.userId = userId;
	}
}

EmployeeRepository.java

/*
 * Copyright 2016 the original author or authors.
 *
 * Licensed 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 com.example;

import org.springframework.data.cassandra.repository.TypedIdCassandraRepository;

public interface EmployeeRepository extends TypedIdCassandraRepository<Employee,EmployeeIdKey> {
}

Person.java

/*
 * Copyright 2016 the original author or authors.
 *
 * Licensed 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 com.example;

import org.springframework.data.cassandra.mapping.Column;
import org.springframework.data.cassandra.mapping.UserDefinedType;

import lombok.Data;

@UserDefinedType
@Data
public class Person {

	public Person(String firstName, String lastName) {
		this.firstName = firstName;
		this.lastName = lastName;

	}

	@Column("first_name") private String firstName;
	@Column("last_name") private String lastName;
	// Getters adn setters;
}

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>com.example</groupId>
	<artifactId>cassandra-playground</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>cassandra-playground</name>
	<description>Demo project for Spring Boot</description>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.4.2.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-cassandra</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>

		<dependency>
			<groupId>org.springframework.data</groupId>
			<artifactId>spring-data-commons</artifactId>
			<version>1.13.0.BUILD-SNAPSHOT</version>
		</dependency>
		<dependency>
			<groupId>org.springframework.data</groupId>
			<artifactId>spring-data-cassandra</artifactId>
			<version>1.5.0.BUILD-SNAPSHOT</version>
		</dependency>
		<dependency>
			<groupId>org.springframework.data</groupId>
			<artifactId>spring-cql</artifactId>
			<version>1.5.0.BUILD-SNAPSHOT</version>
		</dependency>
		<dependency>
			<groupId>com.datastax.cassandra</groupId>
			<artifactId>cassandra-driver-core</artifactId>
			<version>3.1.1</version>
		</dependency>

		<dependency>
			<groupId>org.projectlombok</groupId>
			<artifactId>lombok</artifactId>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>

	<repositories>
		<repository>
			<id>spring-snapshots</id>
			<name>Spring Snapshots</name>
			<url>https://repo.spring.io/libs-snapshot</url>
			<snapshots>
				<enabled>true</enabled>
			</snapshots>
		</repository>
	</repositories>

</project>