1 /* 2 * Copyright 2001-2004 The Apache Software Foundation. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.portletbridge.portlet; 17 18 /*** 19 * Implementations should generate unique id's for bridge requests 20 * 21 * @author jmccrindle 22 */ 23 public interface IdGenerator { 24 /*** 25 * @return a unique identifier for portlet instances. must not be null. 26 */ 27 String nextId(); 28 }