DescendantOfSpecification.java

/**
 * Copyright (C) 2013 Kametic <epo.jemba@kametic.com>
 *
 * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, Version 3, 29 June 2007;
 * or any later version
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.gnu.org/licenses/lgpl-3.0.txt
 *
 * 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.nuunframework.kernel.commons.specification.reflect;

import org.nuunframework.kernel.commons.specification.AbstractSpecification;
/**
 * 
 * Strictly descendant of a candidate class.
 * 
 * @author ejemba
 *
 */
public class DescendantOfSpecification extends AbstractSpecification<Class<?>>
{

    private Class<?> ancestorType;

    public DescendantOfSpecification(Class<?> ancestorType)
    {
        this.ancestorType = ancestorType;
    }
    
    @Override
    public boolean isSatisfiedBy(Class<?> candidate)
    {
        return candidate != null &&  candidate != ancestorType && ancestorType.isAssignableFrom(candidate);
    }

}