/*
* Copyright 2006 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springmodules.xt.model.specifications.support;
import org.springmodules.xt.model.notification.Message;
import org.springmodules.xt.model.notification.Notification;
import org.springmodules.xt.model.specifications.Specification;
/**
* {@link org.springmodules.xt.model.specifications.Specification} decorator that inverts the result of the evaluation.
*
* @author Sergio Bossa
*/
public class InverseSpecification implements Specification {
private Specification specification;
public InverseSpecification(Specification specification) {
this.specification = specification;
}
/**
* Evaluates the specification and inverts its result.
*/
public boolean evaluate(Object o) {
return !this.specification.evaluate(o);
}
/**
* Evaluates the specification and inverts its result.
*/
public boolean evaluate(Object object, Notification notification) {
return !this.specification.evaluate(object, notification);
}
public void addMessage(Message message, boolean whenSatisfied) {
this.specification.addMessage(message, whenSatisfied);
}
public boolean removeMessage(Message message, boolean whenSatisfied) {
return this.specification.removeMessage(message, whenSatisfied);
}
}