Package: AsDelegateProvider$Locator

AsDelegateProvider$Locator

name	instruction	branch	complexity	line	method
find()	M: 5 C: 19 79%	M: 1 C: 3 75%	M: 1 C: 2 67%	M: 1 C: 7 88%	M: 0 C: 1 100%
set(AsDelegateProvider)	M: 0 C: 3 100%	M: 0 C: 0 100%	M: 0 C: 1 100%	M: 0 C: 2 100%	M: 0 C: 1 100%

Coverage

1: /*
2: * #%L
3: * *********************************************************************************************************************
4: *
5: * These Foolish Things - Miscellaneous utilities
6: * http://thesefoolishthings.tidalwave.it - git clone git@bitbucket.org:tidalwave/thesefoolishthings-src.git
7: * %%
8: * Copyright (C) 2009 - 2018 Tidalwave s.a.s. (http://tidalwave.it)
9: * %%
10: * *********************************************************************************************************************
11: *
12: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
13: * the License. You may obtain a copy of the License at
14: *
15: * http://www.apache.org/licenses/LICENSE-2.0
16: *
17: * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
18: * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
19: * specific language governing permissions and limitations under the License.
20: *
21: * *********************************************************************************************************************
22: *
23: * $Id$
24: *
25: * *********************************************************************************************************************
26: * #L%
27: */
28: package it.tidalwave.util.spi;
29:
30: import javax.annotation.Nonnull;
31: import java.util.Iterator;
32: import java.util.ServiceLoader;
33: import lombok.AccessLevel;
34: import lombok.NoArgsConstructor;
35:
36: /***********************************************************************************************************************
37: *
38: * @author Fabrizio Giudici
39: * @version $Id$
40: *
41: **********************************************************************************************************************/
42: public interface AsDelegateProvider
43: {
44: public static final Class<AsDelegateProvider> AsDelegateProvider = AsDelegateProvider.class;
45:
46: @NoArgsConstructor(access = AccessLevel.PRIVATE)
47: public static final class Locator
48: {
49: private static AsDelegateProvider asSpiProvider;
50:
51: @Nonnull
52: public static synchronized AsDelegateProvider find()
53: {
54:• if (asSpiProvider == null)
55: {
56: final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
57: final Iterator<AsDelegateProvider> i =
58: ServiceLoader.load(AsDelegateProvider.class, classLoader).iterator();
59:
60:• if (!i.hasNext())
61: {
62: throw new RuntimeException("No ServiceProvider for AsDelegateProvider");
63: }
64:
65: asSpiProvider = i.next();
66: }
67:
68: return asSpiProvider;
69: }
70:
71: /** For testing */
72: public static void set (final @Nonnull AsDelegateProvider provider)
73: {
74: asSpiProvider = provider;
75: }
76: }
77:
78: /*******************************************************************************************************************
79: *
80: *
81: ******************************************************************************************************************/
82: @Nonnull
83: public AsDelegate createAsDelegate (@Nonnull Object datum);
84: }