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Java > Open Source Codes > org > apache > tapestry > services > ServiceMap


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.tapestry.services;
16
17 import org.apache.tapestry.engine.IEngineService;
18
19 /**
20  * Service interface for <code>tapestry.services.ServiceMap</code>, provides access to engine
21  * services defined in the HiveMind module deployment descriptors.
22  * <p>
23  * Note: In Tapestry 3.0 and earlier, a &lt;service&gt; element in the application and library
24  * specifications was used to define services. This is no longer supported.
25  *
26  * @author Howard Lewis Ship
27  * @since 4.0
28  */
29 public interface ServiceMap
30 {
31     /**
32      * Returns the named service.
33      *
34      * @param name
35      * the unique name for the service, as defined by each service instance's
36      * {@link IEngineService#getName()}method.
37      * @returns the named service
38      * @throws org.apache.hivemind.ApplicationRuntimeException
39      * if the named service does not exist
40      */
41     public IEngineService getService(String JavaDoc name);
42 }
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