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Discardable.java | - | - | - | - |
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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; | |
16 | ||
17 | /** | |
18 | * Implemented by a core service implementationsthat require notification when they are | |
19 | * discarded. This interface is only used by the | |
20 | * {@link org.apache.hivemind.impl.servicemodel.ThreadedServiceModel threaded service model}, | |
21 | * which creates a service for a short period, then discards it when notified | |
22 | * by the {@link org.apache.hivemind.service.ThreadEventNotifier}. | |
23 | * | |
24 | * <p> | |
25 | * The service instance will be discarded regardless; this interface allows | |
26 | * the core service implementation to know immediately when this happens, | |
27 | * so that it can release any acquired resources. | |
28 | * | |
29 | * @author Howard Lewis Ship | |
30 | */ | |
31 | public interface Discardable | |
32 | { | |
33 | /** | |
34 | * Invoked when a service is being discarded. | |
35 | */ | |
36 | public void threadDidDiscardService(); | |
37 | } |
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