package org.kuali.rice.krad.data.converters;
   
   import javax.persistence.AttributeConverter;
   import javax.persistence.Converter;
   
   import org.kuali.rice.core.api.util.type.KualiInteger;
   
   /**
    * Converts our custom {@link KualiInteger} objects for OJB by converting them to/from longs.
   */
  @Converter(
  		autoApply = true)
  public class KualiIntegerConverter implements AttributeConverter<KualiInteger, Long> {
  
  	@Override
  	public Long convertToDatabaseColumn(KualiInteger objectValue) {
  		if (objectValue == null) {
  			return null;
  		}
  		return objectValue.longValue();
  	}
  
  	@Override
  	public KualiInteger convertToEntityAttribute(Long dataValue) {
  		if (dataValue == null) {
  			return null;
  		}
  		return new KualiInteger(dataValue);
  	}
  
  }