Groovy 1.7.10

## groovy.lang
[Java] Annotation Type Singleton

    java.lang.Object
      groovy.lang.Singleton

    @Retention(RetentionPolicy.SOURCE)
    @Target({ElementType.TYPE})
    @GroovyASTTransformationClass("org.codehaus.groovy.transform.SingletonASTTransformation")
    public @interface Singleton

Class annotation to make class singleton. Singleton can be initialized in static initialization of the class or lazily (on first access) To make singleton lazy it is enough to use `@Singleton(lazy=true)` Lazy singletons implemented with double check locking and volatile field

Authors:
  Alex Tkachman

Method Summary

Methods inherited from class Object
wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll

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