<properties>
            <property name="javax.persistence.nonJtaDataSource" value="java:/comp/env/jdbc/myD"/>
            <property name="eclipselink.weaving" value="false"/>
            <property name="eclipselink.logging.level" value="INFO"/>
            <property name="eclipselink.logging.level.sql" value="FINE"/>
            <property name="eclipselink.logging.parameters" value="true"/>
            <property name="eclipselink.query-results-cache" value="false"/>

            <property name="eclipselink.cache.shared.MyEntity" value="true"/>
            <property name="eclipselink.cache.type.MyEntity" value="SOFT"/>
            <property name="eclipselink.cache.size.MyEntity" value="64000"/>

            <!--<property name="eclipselink.batch" value="true"/>-->
            <property name="eclipselink.jdbc.batch-writing" value="JDBC"/> <property name="eclipselink.jdbc.batch-writing.size" value="15"/>
        </properties>

@Entity
@Table(name="Cars")
@Cache (
        type=CacheType.SOFT,
        expiry=600000,
        size=64000
)
public class Car implements Serializable {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long Id;
    private String name;
    private int price;

    public Long getId() {
        return Id;
    }

    public void setId(Long Id) {
        this.Id = Id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getPrice() {
        return price;
    }

    public void setPrice(int price) {
        this.price = price;
    }
}

public class DBClient {
    public static void main(String[] args) {

        EntityManagerFactory emf = Persistence.createEntityManagerFactory("cars_cache");
        EntityManager eman = emf.createEntityManager();

        try {

            String sql = "SELECT c FROM Car c";

            Query query = eman.createQuery(sql);
            List<Car> cars = query.getResultList();

            for (Car car : cars) {
                System.out.printf("%d ", car.getId());
                System.out.printf("%s ", car.getName());
                System.out.println(car.getPrice());
            }

        } finally {

            eman.close();
            emf.close();
        }
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" 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">
    <persistence-unit name="cars_cache" transaction-type ="RESOURCE_LOCAL">

        <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
        <class>eclipse.Car</class>
        <exclude-unlisted-classes>true</exclude-unlisted-classes>
        <shared-cache-mode>ENABLE_SELECTIVE</shared-cache-mode>
        <properties>
            <property name="javax.persistence.jdbc.driver" value="oracle.jdbc.OracleDriver"/>
            <property name="javax.persistence.jdbc.url" value="jdbc:oracle:thin:@localhost:1521:oradev"/>
            <property name="javax.persistence.jdbc.user" value="system"/>
            <property name="javax.persistence.jdbc.password" value="oracle"/>

            <property name="eclipselink.logging.level" value="INFO"/>
            <property name="eclipselink.logging.level.sql" value="FINE"/>
            <property name="eclipselink.logging.parameters" value="true"/>
            <property name="eclipselink.query-results-cache" value="false"/>

        </properties>
    </persistence-unit>


</persistence>