Specification.java

package pl.com.bottega.ecommerce.sharedkernel.specification;

/**
 * 
 * @author Slawek
 *
 * @param <T>
 */
public interface Specification<T> {
	public boolean isSatisfiedBy(T candidate);

	public Specification<T> and(Specification<T> other);

	public Specification<T> or(Specification<T> other);
	
	@SuppressWarnings("unchecked")
	public Specification<T> conjunction(Specification<T>... others);

	public Specification<T> not();
}