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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
ServiceSerializationHelper.java | 75% | 100% | 100% | 93.3% |
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1 | // Copyright 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.internal.ser; | |
16 | ||
17 | import java.lang.ref.WeakReference; | |
18 | ||
19 | import org.apache.hivemind.ApplicationRuntimeException; | |
20 | ||
21 | /** | |
22 | * Class used to hold a <em>global</em> instance of | |
23 | * {@link org.apache.hivemind.internal.ser.ServiceSerializationSupport}, so that | |
24 | * {@link org.apache.hivemind.internal.ser.ServiceToken}s may locate them. | |
25 | * | |
26 | * @author Howard M. Lewis Ship | |
27 | * @since 1.1 | |
28 | */ | |
29 | public class ServiceSerializationHelper | |
30 | { | |
31 | private static final ThreadLocal _threadLocal = new ThreadLocal(); | |
32 | ||
33 | /** | |
34 | * Returns the previously stored SSS. | |
35 | * | |
36 | * @throws ApplicationRuntimeException | |
37 | * if no SSS has been stored. | |
38 | */ | |
39 | 4 | public static ServiceSerializationSupport getServiceSerializationSupport() |
40 | { | |
41 | 4 | ServiceSerializationSupport result = null; |
42 | ||
43 | 4 | WeakReference reference = (WeakReference) _threadLocal.get(); |
44 | 4 | if (reference != null) |
45 | 4 | result = (ServiceSerializationSupport) reference.get(); |
46 | ||
47 | 4 | if (result == null) |
48 | 1 | throw new ApplicationRuntimeException(SerMessages.noSupportSet()); |
49 | ||
50 | 3 | return result; |
51 | } | |
52 | ||
53 | /** | |
54 | * Stores the SSS instance for later access; if an existing SSS is already stored, then an error | |
55 | * is logged (should be just one SSS per class loader). | |
56 | */ | |
57 | ||
58 | 770 | public static void setServiceSerializationSupport( |
59 | ServiceSerializationSupport serviceSerializationSupport) | |
60 | { | |
61 | 770 | WeakReference reference = new WeakReference(serviceSerializationSupport); |
62 | ||
63 | 770 | _threadLocal.set(reference); |
64 | } | |
65 | } |
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