/*

  * Copyright 2005-2008 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.opensource.org/licenses/ecl2.php

  * 

  * 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.rice.kew.notes;

 import java.io.InputStream;

 import javax.persistence.CascadeType;

 import javax.persistence.Column;

 import javax.persistence.Entity;

 import javax.persistence.FetchType;

 import javax.persistence.Id;

 import javax.persistence.JoinColumn;

 import javax.persistence.ManyToOne;

 import javax.persistence.NamedQueries;

 import javax.persistence.NamedQuery;

 import javax.persistence.PrePersist;

 import javax.persistence.Table;

 import javax.persistence.Transient;

 import javax.persistence.Version;

 import org.kuali.rice.core.jpa.annotations.Sequence;

 import org.kuali.rice.core.util.OrmUtils;

 import org.kuali.rice.kns.service.KNSServiceLocator;

 /**

  * An attachment which is attached to a {@link Note}.

  * 

  * @see Note

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 @Entity

 @Table(name="KREW_ATT_T")

 @Sequence(name="KREW_DOC_NTE_S",property="attachmentId")

 @NamedQueries({

         @NamedQuery(name="Attachment.FindAttachmentById",query="select a from Attachment as a where a.attachmentId = :attachmentId")

 })

 public class Attachment {

         @Id

         @Column(name="ATTACHMENT_ID")

         private Long attachmentId;

         @Transient

         private Long noteId;

         @Column(name="FILE_NM")

         private String fileName;

         @Column(name="FILE_LOC")

         private String fileLoc;

         @Column(name="MIME_TYP")

         private String mimeType;

         @Version

         @Column(name="VER_NBR")

         private Integer lockVerNbr;

     @Transient

         private InputStream attachedObject;

         @ManyToOne(fetch=FetchType.EAGER)

         @JoinColumn(name="NTE_ID")

         private Note note;

         public Long getAttachmentId() {

                 return attachmentId;

         }

         public void setAttachmentId(Long attachmentId) {

                 this.attachmentId = attachmentId;

         }

         public String getFileLoc() {

                 return fileLoc;

         }

         public void setFileLoc(String fileLoc) {

                 this.fileLoc = fileLoc;

         }

         public String getFileName() {

                 return fileName;

         }

         public void setFileName(String fileName) {

                 this.fileName = fileName;

         }

         public Integer getLockVerNbr() {

                 return lockVerNbr;

         }

         public void setLockVerNbr(Integer lockVerNbr) {

                 this.lockVerNbr = lockVerNbr;

         }

         public String getMimeType() {

                 return mimeType;

         }

         public void setMimeType(String mimeType) {

                 this.mimeType = mimeType;

         }

         public Long getNoteId() {

                 //noteId field not mapped in JPA 

                 if (noteId == null && note != null){

                         return note.getNoteId();

                 }

                 return noteId;

         }

         public void setNoteId(Long noteId) {

                 this.noteId = noteId;

         }

         public Note getNote() {

                 return note;

         }

         public void setNote(Note note) {

                 this.note = note;

         }

         public InputStream getAttachedObject() {

                 return attachedObject;

         }

         public void setAttachedObject(InputStream attachedObject) {

                 this.attachedObject = attachedObject;

         }

         @PrePersist

         public void beforeInsert(){

                 OrmUtils.populateAutoIncValue(this, KNSServiceLocator.getEntityManagerFactory().createEntityManager());                

         }

 }