Vivek, There are a couple of examples in the OpenJPA test bucket: org.apache.openjpa.persistence.fetchgroups.FGEmployee.java org.apache.openjpa.persistence.fetchgroupsFGManager.java
If you don't have the source downloaded, you can view it via the svn viewer: http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fetchgroups/FGEmployee.java?view=markup http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/fetchgroups/FGManager.java?view=markup Kevin On 10/18/07, vivek <[EMAIL PROTECTED]> wrote: > > Problem :Regarding Fetch groups in OpenJPA. > > > > public class EmployeePK { > > > > @Column(name = "EmployeeID", nullable = false) > > > > private long employeeID; > > > > @Column(name = "SerialNo", nullable = false) > > > > private int serialNo; > > > > } > > > > public class Employee { > > > > @EmbeddedId > > > > protected EmployeePK employeePK; > > > > private String firstName; > > > > private String lastName; > > > > @ManyToOne private Department dept; > > > > } > > > > public class Department { > > > > @Id private int id; > > > > private String departmentName; > > > > } > > > > > > This is the sample scenario. > > There are 3 entity classes, one is the primary key class. > > Here normally if i am not using fetch group feature in OpenJPA, during > retrieval all fields will retrieved from employee and department tables. > > But i need some fields from both the tables to be fetched first. > > By seeing fetch group documentation, i couldnt get a full idea of how to > configure fetch groups for related entities. > > So please give a sample configuration for the above scenario. > >
