Module jakarta.cdi
Package jakarta.enterprise.inject.spi

Class CDI<T>

  • Type Parameters:
    T - type inherited from Instance. Always Object for CDI
    All Implemented Interfaces:
    Instance<T>, jakarta.inject.Provider<T>, java.lang.Iterable<T>
    public abstract class CDI<T>
extends java.lang.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
    Author:
    Pete Muir, Antoine Sabot-Durand, John D. Ament

    • Field Detail

      • discoveredProviders

        protected static volatile java.util.Set<CDIProvider> discoveredProviders

      • configuredProvider

        protected static volatile CDIProvider configuredProvider

    • Constructor Detail

      • CDI

        public CDI()

    • Method Detail

      • current

        public static CDI<java.lang.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:
        java.lang.IllegalStateException - if no CDIProvider is available

      • 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:
        java.lang.IllegalStateException - if the CDIProvider is already set

      • getBeanManager

        public abstract BeanManager getBeanManager()
        Get the CDI BeanManager for the current context
        Returns:
        the BeanManager