001 /* 002 * Copyright 2005 Stephen 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.transit.model; 020 021 import java.net.URI; 022 import java.rmi.Remote; 023 import java.rmi.RemoteException; 024 025 import net.dpml.lang.Value; 026 027 /** 028 * A CodeBaseModel maintains information about the configuration of 029 * a pluggable subsystem. 030 * 031 * @author <a href="http://www.dpml.net">Digital Product Meta Library</a> 032 * @version 1.0.3 033 */ 034 public interface CodeBaseModel extends Remote 035 { 036 /** 037 * Return the uri of the plugin to be used for the subsystem. 038 * @return the codebase plugin uri 039 * @exception RemoteException if a remote exception occurs 040 */ 041 URI getCodeBaseURI() throws RemoteException; 042 043 /** 044 * Add a codebase listener to the model. 045 * @param listener the listener to add 046 * @exception RemoteException if a remote exception occurs 047 */ 048 void addCodeBaseListener( CodeBaseListener listener ) throws RemoteException; 049 050 /** 051 * Remove a codebase listener from the model. 052 * @param listener the listener to remove 053 * @exception RemoteException if a remote exception occurs 054 */ 055 void removeCodeBaseListener( CodeBaseListener listener ) throws RemoteException; 056 057 /** 058 * Return the array of codebase parameter values. 059 * 060 * @return the parameter value array 061 * @exception RemoteException if a remote exception occurs 062 */ 063 Value[] getParameters() throws RemoteException; 064 065 }