org.elasticsearch.common.inject.internal
Class Annotations

java.lang.Object
  org.elasticsearch.common.inject.internal.Annotations

public class Annotations
extends Object

Annotation utilities.

Author:

crazybob@google.com (Bob Lee)

Constructor Summary

Annotations()

Method Summary

static void	checkForMisplacedScopeAnnotations(Class<?> type, Object source, Errors errors) Adds an error if there is a misplaced annotations on type.
static Annotation	findBindingAnnotation(Errors errors, Member member, Annotation[] annotations) Returns the binding annotation on member, or null if there isn't one.
static Class<? extends Annotation>	findScopeAnnotation(Errors errors, Annotation[] annotations) Returns the scoping annotation, or null if there isn't one.
static Class<? extends Annotation>	findScopeAnnotation(Errors errors, Class<?> implementation) Returns the scope annotation on type, or null if none is specified.
static Key<?>	getKey(TypeLiteral<?> type, Member member, Annotation[] annotations, Errors errors) Gets a key for the given type, member and annotations.
static boolean	isRetainedAtRuntime(Class<? extends Annotation> annotationType) Returns true if the given annotation is retained at runtime.
static boolean	isScopeAnnotation(Class<? extends Annotation> annotationType)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Annotations

public Annotations()

Method Detail

isRetainedAtRuntime

public static boolean isRetainedAtRuntime(Class<? extends Annotation> annotationType)

Returns true if the given annotation is retained at runtime.

findScopeAnnotation

public static Class<? extends Annotation> findScopeAnnotation(Errors errors,
                                                              Class<?> implementation)

Returns the scope annotation on type, or null if none is specified.

findScopeAnnotation

public static Class<? extends Annotation> findScopeAnnotation(Errors errors,
                                                              Annotation[] annotations)

Returns the scoping annotation, or null if there isn't one.

isScopeAnnotation

public static boolean isScopeAnnotation(Class<? extends Annotation> annotationType)

checkForMisplacedScopeAnnotations

public static void checkForMisplacedScopeAnnotations(Class<?> type,
                                                     Object source,
                                                     Errors errors)

Adds an error if there is a misplaced annotations on type. Scoping annotations are not allowed on abstract classes or interfaces.

getKey

public static Key<?> getKey(TypeLiteral<?> type,
                            Member member,
                            Annotation[] annotations,
                            Errors errors)
                     throws ErrorsException

Gets a key for the given type, member and annotations.

Throws:

ErrorsException

findBindingAnnotation

public static Annotation findBindingAnnotation(Errors errors,
                                               Member member,
                                               Annotation[] annotations)

Returns the binding annotation on member, or null if there isn't one.