Package javax.enterprise.inject.spi

Class CDI<T>

java.lang.Object

javax.enterprise.inject.spi.CDI<T>

Type Parameters:

T - type inherited from Instance. Always Object for CDI

All Implemented Interfaces:

Iterable<T>, Instance<T>, javax.inject.Provider<T>

public abstract class CDI<T>
extends Object
implements Instance<T>

Provides access to the current container.

CDI implements Instance and therefore might be used to perform programmatic lookup. If no qualifier is passed to Instance.select(java.lang.annotation.Annotation...) method, the @Default qualifier is assumed.

Since:

1.1

Field Summary

Fields

Modifier and Type	Field	Description
protected static CDIProvider	configuredProvider
protected static Set<CDIProvider>	discoveredProviders
private static final Object	lock

Constructor Summary

Constructors

Constructor	Description
CDI()

Method Summary

Modifier and Type	Method	Description
private static boolean	checkProvider(CDIProvider c)
static CDI<Object>	current()	Get the CDI instance that provides access to the current container.
private static void	findAllProviders()
abstract BeanManager	getBeanManager()	Get the CDI BeanManager for the current context
private static CDIProvider	getCDIProvider()	Obtain the CDIProvider the user set with setCDIProvider(CDIProvider) or the last returned CDIProvider if it returns valid CDI container.
static void	setCDIProvider(CDIProvider provider)	Set the CDIProvider to use.

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.enterprise.inject.Instance

destroy, isAmbiguous, isResolvable, isUnsatisfied, select, select, select, stream

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Methods inherited from interface javax.inject.Provider

get

Field Details

lock

private static final Object lock

discoveredProviders

protected static volatile Set<CDIProvider> discoveredProviders

configuredProvider

protected static volatile CDIProvider configuredProvider

Constructor Details

CDI

public CDI()

Method Details

current

public static CDI<Object> current()

Get the CDI instance that provides access to the current container.

If there are no providers available, an IllegalStateException is thrown, otherwise the first provider which can access the container is used.

Returns:

the CDI instance

Throws:

IllegalStateException - if no CDIProvider is available

getCDIProvider

private static CDIProvider getCDIProvider()

Obtain the CDIProvider the user set with setCDIProvider(CDIProvider) or the last returned CDIProvider if it returns valid CDI container. Otherwise use the serviceloader to retrieve the CDIProvider with the highest priority.

Returns:

the CDIProvider set by user or retrieved by serviceloader

checkProvider

private static boolean checkProvider(CDIProvider c)

setCDIProvider

public static void setCDIProvider(CDIProvider provider)

Set the CDIProvider to use.

If a CDIProvider is set using this method, any provider specified as a service provider will not be used.

Parameters:

provider - the provider to use

Throws:

IllegalStateException - if the CDIProvider is already set

findAllProviders

private static void findAllProviders()

getBeanManager

public abstract BeanManager getBeanManager()

Get the CDI BeanManager for the current context

Returns:

the BeanManager