1 // Copyright 2004, 2005 The Apache Software Foundation 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package org.apache.hivemind.lib; 16 17 /** 18 * Service interface for performing name lookups. This is typically 19 * implemented as a wrapper around JNDI. This service is available 20 * as <code>hivemind.lib.NameLookup</code>. 21 * 22 * @author Howard Lewis Ship 23 */ 24 25 public interface NameLookup 26 { 27 /** 28 * Performs the lookup, returning the object that was found. 29 * 30 * @param name the name to lookup 31 * @param expected the expected class of the object; the object found must be assignable 32 * to this class (which may be a class or interface) 33 * @throws org.apache.tapestry.ApplicationRuntimeException if an error occurs during 34 * the lookup, or if the found object can not be assigned to the expected class. 35 */ 36 public Object lookup(String name, Class expected); 37 } 38