/**

  * 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 javax.persistence.Embedded;

 import javax.persistence.MappedSuperclass;

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

 @MappedSuperclass

 public abstract class VersionEntity extends MetaEntity {

         @Embedded

         private Version version;

         @Override

         protected void onPrePersist(){

                 super.onPrePersist();

                 if(version == null){

                         version = new Version();

                 }

                 if(version.getSequenceNumber()==null){

                         version.setSequenceNumber(Long.valueOf(1));

                 }

                 version.setVersionIndId(UUIDHelper.genStringUUID(version.getVersionIndId()));

         }

         public Version getVersion() {

                 return version;

         }

         public void setVersion(Version version) {

                 this.version = version;

         }

 }