Assert.notNull(entity);
this.entity = entity;
if (revisionNumberAnnotation != null) {
AnnotationDetectionFieldCallback numberCallback = new AnnotationDetectionFieldCallback(revisionNumberAnnotation);
ReflectionUtils.doWithFields(entity.getClass(), numberCallback);
this.revisionNumber = numberCallback.getValue(entity);
} else {
this.revisionNumber = null;
}
if (revisionTimeStampAnnotation != null) {
AnnotationDetectionFieldCallback revisionCallback = new AnnotationDetectionFieldCallback(
revisionTimeStampAnnotation);
ReflectionUtils.doWithFields(entity.getClass(), revisionCallback);
this.revisionDate = new DateTime(revisionCallback.getValue(entity));
} else {
this.revisionDate = null;
}
}