/**

  * 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.r2.common.entity;

 import java.util.Date;

 import javax.persistence.Column;

 import javax.persistence.Embeddable;

 import javax.persistence.MappedSuperclass;

 import javax.persistence.Temporal;

 import javax.persistence.TemporalType;

 import org.kuali.student.common.dto.MetaInfo;

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

 import org.kuali.student.core.entity.BaseEntity;

 @MappedSuperclass

 @Embeddable

 public abstract class MetaEntity extends BaseEntity{

         // Hibernate will not allow @Version in @Embeddable for some annoying reason

 //        @Version

 //        private long versionInd;

         @Temporal(TemporalType.TIMESTAMP)

         @Column(updatable=false)

         private Date createTime;

         @Column(updatable=false)

         private String createId;

         @Temporal(TemporalType.TIMESTAMP)

         private Date updateTime;

         private String updateId;

 //        public long getVersionInd() {

 //            return versionInd;

 //        }

 //        public void setVersionInd(long versionInd) {

 //            this.versionInd = versionInd;

 //        }

         public Date getCreateTime() {

                 return createTime;

         }

         public void setCreateTime(Date createTime) {

                 this.createTime = createTime;

         }

         public String getCreateId() {

                 return createId;

         }

         public void setCreateId(String createId) {

                 this.createId = createId;

         }

         public Date getUpdateTime() {

                 return updateTime;

         }

         public void setUpdateTime(Date updateTime) {

                 this.updateTime = updateTime;

         }

         public String getUpdateId() {

                 return updateId;

         }

         public void setUpdateId(String updateId) {

                 this.updateId = updateId;

         }

         @Override

         protected void onPrePersist(){

                 super.onPrePersist();

                 setCreateTime(new Date());

                 setUpdateTime(new Date());

                 String user = SecurityUtils.getCurrentUserId();

                 setCreateId(user);

                 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(getCreateTime() == null){

                         setCreateTime(new Date());

                 }

                 String user = SecurityUtils.getCurrentUserId();

                 setUpdateId(user);

         }

         public MetaInfo toDTO() {

                 MetaInfo.Builder miBuilder = new MetaInfo.Builder();

                 miBuilder.setCreateId(getCreateId());

                 miBuilder.setCreateTime(getCreateTime());

                 miBuilder.setUpdateId(getUpdateId());

                 miBuilder.setUpdateTime(getUpdateTime());

                 // TODO: what about versionInd?

                 return miBuilder.build();

         }

 }