/**
* Sets the new trim specification.
*
* @param specification The new trim specification; <code>null</code> is not valid
*/
public void setSpecification(Specification specification) {
Assert.isNotNull(specification, "The Specification cannot be null");
Specification oldSpecification = this.specification;
this.specification = specification;
firePropertyChanged(SPECIFICATION_PROPERTY, oldSpecification, specification);
}
private void validateOrdering(Ordering ordering) {
Assert.isNotNull(ordering, "The Ordering cannot be null");
}