package org.kuali.student.core.bo;
   
   import java.util.Date;
   
   import javax.persistence.Column;
   import javax.persistence.Temporal;
   import javax.persistence.TemporalType;
   
   import org.apache.ojb.broker.PersistenceBroker;
  import org.apache.ojb.broker.PersistenceBrokerException;
  import org.kuali.student.common.util.UUIDHelper;
  
  public abstract class KsVersionBusinessObjectBase extends KsMetaBusinessObjectBase implements KsVersionBusinessObject {
  
      private static final long serialVersionUID = -1307889585226114528L;
  
      @Column(name = "VER_IND_ID")
      private String versionIndId;
  
      @Column(name = "SEQ_NUM")
      private Long sequenceNumber;
  
      @Temporal(TemporalType.TIMESTAMP)
      @Column(name = "CURR_VER_START")
      private Date currentVersionStart;
  
      @Temporal(TemporalType.TIMESTAMP)
      @Column(name = "CURR_VER_END")
      private Date currentVersionEnd;
  
      @Column(name = "VER_FROM_ID")
      private String versionedFromId;
  
      @Column(name = "VER_CMT")
      private String versionComment;
      
      
      @Override
      public void beforeInsert(PersistenceBroker persistenceBroker) throws PersistenceBrokerException {
          super.beforeInsert(persistenceBroker);
          
          if(this.getSequenceNumber() == null){
              this.setSequenceNumber(Long.valueOf(1));
          }
          
          this.setVersionIndId(UUIDHelper.genStringUUID(this.getVersionIndId()));
      }
  
      /**
       * This will take properties and create a Version object to return, the value is not persisted.
       * This is to support the KS embedded style Version object for future compatibility.  OJB/KNS
       * do not seem to support embedded entities (called Nested in OJB terms).
       */
      @Override
      public Version getVersion() {
          Version version = new Version();
          
          version.setVersionIndId(versionIndId);
          version.setSequenceNumber(sequenceNumber);
          version.setVersionedFromId(versionedFromId);
          version.setVersionComment(versionComment);
          version.setCurrentVersionStart(currentVersionStart);
          version.setCurrentVersionEnd(currentVersionEnd);
          
          return version;
      }
      
      /**
       * This will set the internal properties from the incoming Version object.
       * This is to support the KS embedded style Version object for future compatibility.  OJB/KNS
       * do not seem to support embedded entities (called Nested in OJB terms).
       * 
       * Uses setter methods to allow behavior from subclass.
       */
      @Override
      public void setVersion(Version version) {
          this.setVersionIndId(version.getVersionIndId());
          this.setSequenceNumber(version.getSequenceNumber());
          this.setVersionedFromId(version.getVersionedFromId());
          this.setVersionComment(version.getVersionComment());
          this.setCurrentVersionStart(version.getCurrentVersionStart());
          this.setCurrentVersionEnd(version.getCurrentVersionEnd());
      }
      
      @Override
      public String getVersionIndId() {
          return versionIndId;
      }
      
      @Override
      public void setVersionIndId(String versionIndId) {
          this.versionIndId = versionIndId;
      }
  
      @Override
      public Long getSequenceNumber() {
          return sequenceNumber;
      }
  
     @Override
     public void setSequenceNumber(Long sequenceNumber) {
         this.sequenceNumber = sequenceNumber;
     }
 
     @Override
     public Date getCurrentVersionStart() {
         return currentVersionStart;
     }
 
     @Override
     public void setCurrentVersionStart(Date currentVersionStart) {
         this.currentVersionStart = currentVersionStart;
     }
 
     @Override
     public Date getCurrentVersionEnd() {
         return currentVersionEnd;
     }
 
     @Override
     public void setCurrentVersionEnd(Date currentVersionEnd) {
         this.currentVersionEnd = currentVersionEnd;
     }
 
     @Override
     public String getVersionedFromId() {
         return versionedFromId;
     }
 
     @Override
     public void setVersionedFromId(String versionedFromId) {
         this.versionedFromId = versionedFromId;
     }
 
     @Override
     public String getVersionComment() {
         return versionComment;
     }
 
     @Override
     public void setVersionComment(String versionComment) {
         this.versionComment = versionComment;
     }
 
 }