Example 8.5 Implementing Updatable Value Objects Strategy

...
public class ProjectEntity implements EntityBean {
    private EntityContext context;
  ...
  // attributes and other methods as in Example 8.4
  ...

  // method to set entity values with a value object
  public void setProjectData(ProjectVO updatedProj) {
    mergeProjectData(updatedProj);
  }

  // method to merge values from the value object into
  // the entity bean attributes
  private void mergeProjectData(ProjectVO updatedProj) {
    // version control check may be necessary here 
    // before merging changes in order to 
    // prevent losing updates by other clients
    projectId = updatedProj.projectId;
    projectName = updatedProj.projectName;
    managerId = updatedProj.managerId;
    startDate = updatedProj.startDate;
    endDate = updatedProj.endDate;
    customerId = updatedProj.customerId;
    projectDescription 			= 
        updatedProj.projectDescription;
    projectStatus = updatedProj.projectStatus;
    started = updatedProj.started;
    completed = updatedProj.completed;
    accepted = updatedProj.accepted;
    closed = updatedProj.closed;
  }
  ...
}