Java Tutorial/JPA/Cache

Cache Hint

File: Student.java

   <source lang="java">

import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.NamedQuery; import javax.persistence.QueryHint; @Entity @NamedQuery(name="findStudentNoCache",

           query="SELECT e FROM Student e WHERE e.id = ?1",
           hints={@QueryHint(name="toplink.cache-usage", value="DoNotCheckCache")})

public class Student {

   @Id
   private int id;
   private String name;
   private long salary;
   public int getId() {
       return id;
   }
   
   public String getName() {
       return name;
   }
   public long getSalary() {
       return salary;
   }
   
   public String toString() {
       return "Student " + getId() + 
              ": name: " + getName() +
              ", salary: " + getSalary();
   }

}</source>