# 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;
        }
    }