# VisibilitySpecification.java

    /*
     * Licensed to the Apache Software Foundation (ASF) under one
     * or more contributor license agreements.  See the NOTICE file
     * distributed with this work for additional information
     * regarding copyright ownership.  The ASF licenses this file
     * to you 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.runtime.structure;

    import org.qi4j.api.common.Visibility;
    import org.qi4j.api.composite.ModelDescriptor;
    import org.qi4j.functional.Specification;

    /**
     * TODO
     */
    public class VisibilitySpecification
        implements Specification<ModelDescriptor>
    {
        public static final Specification<ModelDescriptor> MODULE = new VisibilitySpecification( Visibility.module );
        public static final Specification<ModelDescriptor> LAYER = new VisibilitySpecification( Visibility.layer );
        public static final Specification<ModelDescriptor> APPLICATION = new VisibilitySpecification( Visibility.application );

        private final Visibility visibility;

        public VisibilitySpecification( Visibility visibility )
        {
            this.visibility = visibility;
        }

        @Override
        public boolean satisfiedBy( ModelDescriptor item )
        {
            return item.visibility().ordinal() >= visibility.ordinal();
        }
    }