001    /*
002     * Copyright 2006 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.library;
020    
021    import net.dpml.lang.Version;
022    
023    
024    /**
025     * Declaration of a type production.
026     *
027     * @author <a href="http://www.dpml.net">Digital Product Meta Library</a>
028     * @version 1.1.0
029     */
030    public interface Type extends Data
031    {
032       /**
033        * Return the type production id.
034        * @return the type id
035        */
036        String getID();
037        
038       /**
039        * Return the alias version.
040        * @return the alias version value (may be null)
041        */
042        Version getVersion();
043        
044    }