spring-hibernate-ogm-redis

Hibernate OGM redis project with Spring MVC integration

This sample project has been developed with hibernate OGM Redis provider and Spring MVC framework.

Installing

Build project using mvn clean install.
Run inside Java EE or servlet container.

Deployment

JDK Version: Java 8 is required as mandetory for hibernate OGM version used.
Server: Apache Tomcat has been used for testing
Build tool: Maven
Datastore: Redis 3.2.8 64 bit

Authors

Yasitha Thilakaratne (Initial Author)

Screens

Redis CLI

Code

Persistance.xml

<?xml version="1.0"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
             version="2.0">

    <persistence-unit name="redis-sample" transaction-type="RESOURCE_LOCAL">
        <!-- Use Hibernate OGM provider: configuration will be transparent -->
        <provider>org.hibernate.ogm.jpa.HibernateOgmPersistence</provider>

        <class>test.redis.model.Vehicle</class>

        <properties>
            <property name="hibernate.ogm.datastore.provider" value="redis_experimental" />
            <property name="hibernate.ogm.datastore.create_database" value="true"/>
            <property name="hibernate.ogm.datastore.database" value="0"/>
        </properties>
    </persistence-unit>
</persistence>

Model Class

@Entity
public class Vehicle {


    @Id
    @Column(name = "reg_no")
    private String reNo;

    @Column(name = "type")
    @Enumerated
    private Type type;
    //
 }

### DAO Class

 @Repository("vehicleDao")
public class VehicleDaoImpl implements VehicleDao {

    @PersistenceContext
    private EntityManager em;

    @Override
    public void save(Vehicle vehicle) {
        em.persist(vehicle);
    }

    @Override
    public Vehicle getById(String id) {
        long startTime = System.currentTimeMillis();
        Vehicle v = em.find(Vehicle.class, id);
        long endTime = System.currentTimeMillis();
        long timeTaken = endTime - startTime;
        System.out.println("Time taken: " + timeTaken + "ms");
        return v;
    }

    @Override
    public List<Vehicle> getAll() {
        CriteriaBuilder cb = em.getCriteriaBuilder();
        CriteriaQuery<Vehicle> query = cb.createQuery(Vehicle.class);
        return em.createQuery(query).getResultList();
    }
}

Spring configureations

<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">
        <property name="persistenceUnitName" value="redis-sample" />
    </bean>

    <bean class="org.springframework.orm.jpa.JpaTransactionManager" id="transactionManager">
        <property name="entityManagerFactory" ref="entityManagerFactory" />
    </bean>

    <tx:annotation-driven transaction-manager="transactionManager"/>

    <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" />