001    /*
002     * Copyright 2005 Stephen J. McConnell.
003     *
004     * Licensed  under the  Apache License,  Version 2.0  (the "License");
005     * you may not use  this file  except in  compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *   http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed  under the  License is distributed on an "AS IS" BASIS,
012     * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
013     * implied.
014     *
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package net.dpml.state;
020    
021    /**
022     * An Interface action declares the classname of an interface 
023     * implemented by a component class that may be dynamically
024     * exposed by a component through the assocation of the interface 
025     * with an active state.
026     *
027     * @author <a href="http://www.dpml.net">Digital Product Meta Library</a>
028     * @version 1.0.2
029     */
030    public interface Interface extends Action
031    {
032       /**
033        * Return the classname of a management interface implemented and
034        * potentially exposed by a component.
035        * @return the interface classname
036        */
037        String getClassname();
038    }