001    // Copyright 2004, 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.hivemind.definition;
016    
017    /**
018     * Contributes data to a {@link org.apache.hivemind.definition.ConfigurationPointDefinition configuration point}.
019     * 
020     * @author Achim Huegen
021     */
022    public interface Contribution
023    {
024        /**
025         * Contributes to the configuration. The context provides methods to manipulate the
026         * configuration data, that is to merge with or override data already provided 
027         * by other contributions
028         * 
029         * @param context  provides access to elements of the registry which are needed for the contribution.
030         */
031        public void contribute(ContributionContext context);
032    }