/**

  * Copyright 2010 The Kuali Foundation Licensed under the

  * Educational Community License, Version 2.0 (the "License"); you may

  * not use this file except in compliance with the License. You may

  * obtain a copy of the License at

  *

  * http://www.osedu.org/licenses/ECL-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an "AS IS"

  * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express

  * or implied. See the License for the specific language governing

  * permissions and limitations under the License.

  */

 package org.kuali.student.common.entity;

 import java.util.Date;

 import javax.persistence.Embedded;

 import javax.persistence.MappedSuperclass;

 import org.kuali.student.common.util.security.SecurityUtils;

 @MappedSuperclass

 public abstract class MetaEntity extends BaseEntity{

         @Embedded

         private Meta meta;

         @Override

         protected void onPrePersist(){

                 super.onPrePersist();

                 if(meta==null){

                         meta = new Meta();

                 }

                 meta.setCreateTime(new Date());

                 meta.setUpdateTime(new Date());

                 String user = SecurityUtils.getCurrentPrincipalId();

                 meta.setCreateId(user);

                 meta.setUpdateId(user);

         }

         @Override

         protected void onPreUpdate(){

                 super.onPreUpdate();

                 //This code should not be here, but hibernate is calling update callback instead of prepersit if the id is not null.

                 if(meta==null){

                         meta = new Meta();

                         meta.setCreateTime(new Date());

                 }

                 meta.setUpdateTime(new Date());

                 String user = SecurityUtils.getCurrentPrincipalId();

                 meta.setUpdateId(user);

         }

         public Meta getMeta() {

                 return meta;

         }

         public void setMeta(Meta meta) {

                 this.meta = meta;

         }

 }