1 package org.codehaus.plexus.personality.plexus.lifecycle.phase;
2
3 /*
4 * Copyright 2001-2006 Codehaus Foundation.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 import java.util.List;
20 import java.util.Map;
21
22 import org.codehaus.plexus.component.repository.exception.ComponentLifecycleException;
23 import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
24
25 /**
26 * Provides services to components by means of a lookup.
27 *
28 * @author <a href="mailto:dan@envoisolutions.com">Dan Diephouse</a>
29 */
30 public interface ServiceLocator {
31 // ----------------------------------------------------------------------
32 // Component lookup
33 // ----------------------------------------------------------------------
34
35 Object lookup(String componentKey) throws ComponentLookupException;
36
37 Object lookup(String role, String roleHint) throws ComponentLookupException;
38
39 Map lookupMap(String role) throws ComponentLookupException;
40
41 List lookupList(String role) throws ComponentLookupException;
42
43 // ----------------------------------------------------------------------
44 // Component release
45 // ----------------------------------------------------------------------
46
47 void release(Object component) throws ComponentLifecycleException;
48
49 void releaseAll(Map components) throws ComponentLifecycleException;
50
51 void releaseAll(List components) throws ComponentLifecycleException;
52
53 // ----------------------------------------------------------------------
54 // Component discovery
55 // ----------------------------------------------------------------------
56
57 boolean hasComponent(String componentKey);
58
59 boolean hasComponent(String role, String roleHint);
60 }