|
4 | 4 | import io.fabric8.kubernetes.client.CustomResourceDoneable; |
5 | 5 | import io.javaoperatorsdk.operator.api.Controller; |
6 | 6 | import io.javaoperatorsdk.operator.api.ResourceController; |
7 | | - |
8 | 7 | import java.util.Map; |
9 | 8 |
|
10 | | - |
11 | 9 | public class ControllerUtils { |
12 | 10 |
|
13 | | - private static final String FINALIZER_NAME_SUFFIX = "/finalizer"; |
14 | | - public static final String CONTROLLERS_RESOURCE_PATH = "javaoperatorsdk/controllers"; |
15 | | - public static final String DONEABLES_RESOURCE_PATH = "javaoperatorsdk/doneables"; |
16 | | - private static Map<Class<? extends ResourceController>, Class<? extends CustomResource>> controllerToCustomResourceMappings; |
17 | | - private static Map<Class<? extends CustomResource>, Class<? extends CustomResourceDoneable>> resourceToDoneableMappings; |
| 11 | + private static final String FINALIZER_NAME_SUFFIX = "/finalizer"; |
| 12 | + public static final String CONTROLLERS_RESOURCE_PATH = "javaoperatorsdk/controllers"; |
| 13 | + public static final String DONEABLES_RESOURCE_PATH = "javaoperatorsdk/doneables"; |
| 14 | + private static Map<Class<? extends ResourceController>, Class<? extends CustomResource>> |
| 15 | + controllerToCustomResourceMappings; |
| 16 | + private static Map<Class<? extends CustomResource>, Class<? extends CustomResourceDoneable>> |
| 17 | + resourceToDoneableMappings; |
18 | 18 |
|
| 19 | + static { |
| 20 | + controllerToCustomResourceMappings = |
| 21 | + ClassMappingProvider.provide( |
| 22 | + CONTROLLERS_RESOURCE_PATH, ResourceController.class, CustomResource.class); |
| 23 | + resourceToDoneableMappings = |
| 24 | + ClassMappingProvider.provide( |
| 25 | + DONEABLES_RESOURCE_PATH, CustomResource.class, CustomResourceDoneable.class); |
| 26 | + } |
19 | 27 |
|
20 | | - static { |
21 | | - controllerToCustomResourceMappings = ClassMappingProvider |
22 | | - .provide(CONTROLLERS_RESOURCE_PATH, |
23 | | - ResourceController.class, |
24 | | - CustomResource.class); |
25 | | - resourceToDoneableMappings = ClassMappingProvider |
26 | | - .provide(DONEABLES_RESOURCE_PATH, |
27 | | - CustomResource.class, |
28 | | - CustomResourceDoneable.class |
29 | | - ); |
30 | | - } |
31 | | - |
32 | | - static String getFinalizer(ResourceController controller) { |
33 | | - final String annotationFinalizerName = getAnnotation(controller).finalizerName(); |
34 | | - if (!Controller.NULL.equals(annotationFinalizerName)) { |
35 | | - return annotationFinalizerName; |
36 | | - } |
37 | | - return getAnnotation(controller).crdName() + FINALIZER_NAME_SUFFIX; |
| 28 | + static String getFinalizer(ResourceController controller) { |
| 29 | + final String annotationFinalizerName = getAnnotation(controller).finalizerName(); |
| 30 | + if (!Controller.NULL.equals(annotationFinalizerName)) { |
| 31 | + return annotationFinalizerName; |
38 | 32 | } |
| 33 | + return getAnnotation(controller).crdName() + FINALIZER_NAME_SUFFIX; |
| 34 | + } |
39 | 35 |
|
40 | | - static boolean getGenerationEventProcessing(ResourceController<?> controller) { |
41 | | - return getAnnotation(controller).generationAwareEventProcessing(); |
42 | | - } |
| 36 | + static boolean getGenerationEventProcessing(ResourceController<?> controller) { |
| 37 | + return getAnnotation(controller).generationAwareEventProcessing(); |
| 38 | + } |
43 | 39 |
|
44 | | - static <R extends CustomResource> Class<R> getCustomResourceClass(ResourceController<R> controller) { |
45 | | - final Class<? extends CustomResource> customResourceClass = controllerToCustomResourceMappings |
46 | | - .get(controller.getClass()); |
47 | | - if (customResourceClass == null) { |
48 | | - throw new IllegalArgumentException( |
49 | | - String.format( |
50 | | - "No custom resource has been found for controller %s", |
51 | | - controller.getClass().getCanonicalName() |
52 | | - ) |
53 | | - ); |
54 | | - } |
55 | | - return (Class<R>) customResourceClass; |
| 40 | + static <R extends CustomResource> Class<R> getCustomResourceClass( |
| 41 | + ResourceController<R> controller) { |
| 42 | + final Class<? extends CustomResource> customResourceClass = |
| 43 | + controllerToCustomResourceMappings.get(controller.getClass()); |
| 44 | + if (customResourceClass == null) { |
| 45 | + throw new IllegalArgumentException( |
| 46 | + String.format( |
| 47 | + "No custom resource has been found for controller %s", |
| 48 | + controller.getClass().getCanonicalName())); |
56 | 49 | } |
| 50 | + return (Class<R>) customResourceClass; |
| 51 | + } |
57 | 52 |
|
58 | | - static String getCrdName(ResourceController controller) { |
59 | | - return getAnnotation(controller).crdName(); |
60 | | - } |
| 53 | + static String getCrdName(ResourceController controller) { |
| 54 | + return getAnnotation(controller).crdName(); |
| 55 | + } |
61 | 56 |
|
62 | | - public static <T extends CustomResource> Class<? extends CustomResourceDoneable<T>> |
63 | | - getCustomResourceDoneableClass(ResourceController<T> controller) { |
64 | | - final Class<T> customResourceClass = getCustomResourceClass(controller); |
65 | | - final Class<? extends CustomResourceDoneable<T>> doneableClass = (Class<? extends CustomResourceDoneable<T>>) resourceToDoneableMappings.get(customResourceClass); |
66 | | - if (doneableClass == null) { |
67 | | - throw new RuntimeException(String.format("No matching Doneable class found for %s", customResourceClass)); |
68 | | - } |
69 | | - return doneableClass; |
| 57 | + public static <T extends CustomResource> |
| 58 | + Class<? extends CustomResourceDoneable<T>> getCustomResourceDoneableClass( |
| 59 | + ResourceController<T> controller) { |
| 60 | + final Class<T> customResourceClass = getCustomResourceClass(controller); |
| 61 | + final Class<? extends CustomResourceDoneable<T>> doneableClass = |
| 62 | + (Class<? extends CustomResourceDoneable<T>>) |
| 63 | + resourceToDoneableMappings.get(customResourceClass); |
| 64 | + if (doneableClass == null) { |
| 65 | + throw new RuntimeException( |
| 66 | + String.format("No matching Doneable class found for %s", customResourceClass)); |
70 | 67 | } |
| 68 | + return doneableClass; |
| 69 | + } |
71 | 70 |
|
72 | | - private static Controller getAnnotation(ResourceController<?> controller) { |
73 | | - return controller.getClass().getAnnotation(Controller.class); |
74 | | - } |
| 71 | + private static Controller getAnnotation(ResourceController<?> controller) { |
| 72 | + return controller.getClass().getAnnotation(Controller.class); |
| 73 | + } |
75 | 74 |
|
76 | | - public static boolean hasGivenFinalizer(CustomResource resource, String finalizer) { |
77 | | - return resource.getMetadata().getFinalizers() != null && resource.getMetadata().getFinalizers().contains(finalizer); |
78 | | - } |
| 75 | + public static boolean hasGivenFinalizer(CustomResource resource, String finalizer) { |
| 76 | + return resource.getMetadata().getFinalizers() != null |
| 77 | + && resource.getMetadata().getFinalizers().contains(finalizer); |
| 78 | + } |
79 | 79 | } |
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