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;
  	}
  
  }