Package com.atlassian.confluence.util

Class MemoizingComponentReference

java.lang.Object

com.atlassian.confluence.util.MemoizingComponentReference

public class MemoizingComponentReference
extends Object

Lazily loads the component from the ContainerManager and memoize the result.

TODO add the equivalent of this to atlassian spring, to replace LazyComponentReference.

Constructor Summary

Constructors

Constructor	Description
MemoizingComponentReference()

Method Summary

Modifier and Type	Method	Description
static <T> Supplier<T>	containerComponent(String name)	Static factory that takes the component name and the type.
static <T> Supplier<T>	osgiService(Class<T> clazz)	Static factory that takes the desired OSGi service type.

Methods inherited from class java.lang.Object

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

Constructor Details

MemoizingComponentReference

public MemoizingComponentReference()

Method Details

containerComponent

public static <T> Supplier<T> containerComponent(String name)

Static factory that takes the component name and the type.

Note this is unsafe as it doesn't actually cast until the usage site due to erasure.

Type Parameters:

T - the component type

Parameters:

name - the name of the component

Returns:

the accessed component or any exception encountered when trying to retrieve it

osgiService

public static <T> Supplier<T> osgiService(Class<T> clazz)

Static factory that takes the desired OSGi service type.

Note this is unsafe as it doesn't actually cast until the usage site due to erasure.