Package com.ultikits.ultitools.context

Class ContextHolder

java.lang.Object

com.ultikits.ultitools.context.ContextHolder

public class ContextHolder
extends Object

Static holder for accessing the current IoC container context.

This provides a convenient way to access the container from places where dependency injection is not available, such as in AOP interceptors.

Note: Prefer constructor/field injection when possible. This class is mainly for framework-internal use.

Since:

6.2.0

Author:

wisdomme

Field Summary

Fields

Modifier and Type	Field	Description
private static SimpleContainer	context

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ContextHolder()

Method Summary

Modifier and Type	Method	Description
static void	clear()	Clears the global context.
static <T> T	getBean(Class<T> type)	Gets a bean from the global context by type.
static <T> T	getBean(String name)	Gets a bean from the global context.
static SimpleContainer	getContext()	Gets the global container context.
static void	setContext(SimpleContainer container)	Sets the global container context.

Methods inherited from class java.lang.Object

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

Field Details

context

private static volatile SimpleContainer context

Constructor Details

ContextHolder

private ContextHolder()

Method Details

setContext

public static void setContext(SimpleContainer container)

Sets the global container context.

This should be called once during application startup.

Parameters:

container - the container to set as global context

getContext

public static SimpleContainer getContext()

Gets the global container context.

Returns:

the current container, or null if not set

getBean

public static <T> T getBean(String name)

Gets a bean from the global context.

Convenience method equivalent to getContext().getBean(name).

Type Parameters:

T - the expected type

Parameters:

name - the bean name

Returns:

the bean instance

Throws:

IllegalStateException - if context is not set

getBean

public static <T> T getBean(Class<T> type)

Gets a bean from the global context by type.

Type Parameters:

T - the expected type

Parameters:

type - the bean type

Returns:

the bean instance

Throws:

IllegalStateException - if context is not set

clear

public static void clear()

Clears the global context.

Should be called during application shutdown.