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.internal;
016    
017    import org.apache.hivemind.Locatable;
018    
019    /**
020     * A contribution to a service extension point that is used to
021     * create the core service instance (which may then be enhanced
022     * with interceptors).
023     *
024     * @author Howard Lewis Ship
025     */
026    public interface ServiceImplementationConstructor extends Locatable
027    {
028        /**
029         * Returns the module which created the contribution. 
030         */
031        public Module getContributingModule();
032    
033        /**
034         * Creates a new core service implementation.
035         */
036        public Object constructCoreServiceImplementation();
037    }