core/api/src/main/java/org/qi4j/api/type/MatchTypeSpecification.java

/*
 * Copyright (c) 2012, Niclas Hedhman. All Rights Reserved.
 *
 * 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.qi4j.api.type;

import org.qi4j.functional.Specification;

/**
 * Match Type Specification for HasTypes.
 */
public class MatchTypeSpecification
    implements Specification<HasTypes>
{
    private final Class<?> matchType;

    public MatchTypeSpecification( Class<?> matchType )
    {
        this.matchType = matchType;
    }

    @Override
    public boolean satisfiedBy( HasTypes item )
    {
        for( Class<?> type : item.types() )
        {
            if( matchType.isAssignableFrom( type ) )
            {
                return true;
            }
        }
        return false;
    }
}