AndSpecification.java

package net.java.cargotracker.domain.shared;

/**
 * AND specification, used to create a new specification that is the AND of two
 * other specifications.
 */
public class AndSpecification<T> extends AbstractSpecification<T> {

    private final Specification<T> spec1;
    private final Specification<T> spec2;

    /**
     * Create a new AND specification based on two other spec.
     *
     * @param spec1 Specification one.
     * @param spec2 Specification two.
     */
    public AndSpecification(Specification<T> spec1, Specification<T> spec2) {
        this.spec1 = spec1;
        this.spec2 = spec2;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean isSatisfiedBy(T t) {
        return spec1.isSatisfiedBy(t) && spec2.isSatisfiedBy(t);
    }
}