package org.kuali.student.common.entity;

 import javax.persistence.Column;

 import javax.persistence.Id;

 import javax.persistence.MappedSuperclass;

 import javax.persistence.PrePersist;

 import javax.persistence.PreUpdate;

 import javax.persistence.Version;

 import org.kuali.student.common.util.UUIDHelper;

 @MappedSuperclass

 public abstract class BaseEntity {

         @Id

         @Column(name = "ID")

         private String id;

         @Version

         @Column(name="VER_NBR")

         private Long versionNumber;

         @Column(name="OBJ_ID",length=KSEntityConstants.OBJ_ID_LENGTH)

         private String objectId;

         public String getObjectId() {

                 return objectId;

         }

         public void setObjectId(String objectId) {

                 this.objectId = objectId;

         }

         @PrePersist

         public void prePersist(){

                 //Auto generate the object id, and auto generate the ID if it's not set 

         this.id = UUIDHelper.genStringUUID(this.id);

                 this.objectId = UUIDHelper.genStringUUID();

                 onPrePersist();

         }

         @PreUpdate

         public void preUpdate(){

                 onPreUpdate();

         }

         //Override this to add additional functionality for the PrePersist Lifecycle

         protected void onPrePersist() {

         }

         //Override this to add additional functionality for the PreUpdate Lifecycle

         protected void onPreUpdate() {

         }

         public Long getVersionNumber() {

                 return versionNumber;

         }

         public void setVersionNumber(Long versionNumber) {

                 this.versionNumber = versionNumber;

         }

         public String getId() {

                 return id;

         }

         public void setId(String id) {

                 this.id = id;

         }

 }