##### Coverage Report - org.apache.turbine.services.TurbineServiceProvider

Classes in this File | Line Coverage | Branch Coverage | Complexity
TurbineServiceProvider |
N/A | N/A
N/A | N/A
| 1.0;1

1 |  |
     package org.apache.turbine.services;
2 |  |
3 |  |
     /*
4 |  |
      * Licensed to the Apache Software Foundation (ASF) under one
5 |  |
      * or more contributor license agreements.  See the NOTICE file
6 |  |
      * distributed with this work for additional information
7 |  |
      * regarding copyright ownership.  The ASF licenses this file
8 |  |
      * to you under the Apache License, Version 2.0 (the
9 |  |
      * "License"); you may not use this file except in compliance
10 |  |
      * with the License.  You may obtain a copy of the License at
11 |  |
      *
12 |  |
      *   http://www.apache.org/licenses/LICENSE-2.0
13 |  |
      *
14 |  |
      * Unless required by applicable law or agreed to in writing,
15 |  |
      * software distributed under the License is distributed on an
16 |  |
      * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 |  |
      * KIND, either express or implied.  See the License for the
18 |  |
      * specific language governing permissions and limitations
19 |  |
      * under the License.
20 |  |
      */
21 |  |
22 |  |
     /**
23 |  |
      * Interface for telling Turbine that the implementation class
24 |  |
      * is an external service provider therefore can be used for looking
25 |  |
      * up services not found by the Turbine implementation. It is
26 |  |
      * assumed that the referenced service container handles the
27 |  |
      * complete lifecycle of its services.
28 |  |
      *
29 |  |
      * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a>
30 |  |
      */
31 |  |
     public interface TurbineServiceProvider
32 |  |
     {
33 |  |
         /**
34 |  |
          * Returns an instance of the requested service. If the
35 |  |
          * given servise is not available/found we throw a RuntimeException
36 |  |
          * since this is less intrusive.
37 |  |
          *
38 |  |
          * @param roleName the name of the requested service
39 |  |
          * @return an instance of the service
40 |  |
          * @throws InstantiationException the service could not be instantiated
41 |  |
          */
42 |  |
         public Object get(String roleName) throws InstantiationException;
43 |  |
44 |  |
         /**
45 |  |
          * Releases the instance you got before. This is only really
46 |  |
          * required when not working with service singletons.
47 |  |
          *
48 |  |
          * @param component the component to release
49 |  |
          */
50 |  |
         public void release(Object component);
51 |  |
52 |  |
         /**
53 |  |
          * Is the service known to the service container?
54 |  |
          */
55 |  |
         public boolean exists(String roleName);
56 |  |
     }