Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Package java.beans.beancontext - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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Java^TM 2 Platform
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Package java.beans.beancontext

Provides classes and interfaces relating to bean context.

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Description

Interface Summary

BeanContext The BeanContext acts a logical heirarchical container for JavaBeans.

BeanContextChild JavaBeans wishing to be nested within, and obtain a reference to their execution environment, or context, as defined by the BeanContext sub-interface shall implement this interface.

BeanContextChildComponentProxy This interface is implemented by BeanContextChildren that have an AWT Component associated with them.

BeanContextContainerProxy This interface is implemented by BeanContexts' that have an AWT Container associated with them.

BeanContextMembershipListener Compliant BeanContexts fire events on this interface when the state of the membership of the BeanContext changes.

BeanContextProxy This interface is implemented by a JavaBean that does not directly have a BeanContext(Child) associated with it (via implementing that interface or a subinterface thereof), but has a public BeanContext(Child) delegated from it.

BeanContextServiceProvider One of the primary functions of a BeanContext is to act a as rendezvous between JavaBeans, and BeanContextServiceProviders.

BeanContextServiceProviderBeanInfo A BeanContextServiceProvider implementor who wishes to provide explicit information about the services their bean may provide shall implement a BeanInfo class that implements this BeanInfo subinterface and provides explicit information about the methods, properties, events, etc, of their services.

BeanContextServiceRevokedListener

BeanContextServices The BeanContextServices interface provides a mechanism for a BeanContext to expose generic "services" to the BeanContextChild objects within.

BeanContextServicesListener

Class Summary

BeanContextChildSupport This is a general support class to provide support for implementing the BeanContextChild protocol.

BeanContextEvent BeanContextEvent is the abstract root event class for all events emitted from, and pertaining to the semantics of, a BeanContext.

BeanContextMembershipEvent Compliant BeanContexts fire events on this interface when state maintained by the BeanContext, for some or all of its "children", changes, to all BeanContextListeners that register themselves with a particular BeanContext.

BeanContextServiceAvailableEvent This event type is used by the BeanContextServicesListener in order to identify the service being registered.

BeanContextServiceRevokedEvent This event type is used by the BeanContextServicesListener in order to identify the service being revoked.

BeanContextServicesSupport This helper class provides a utility implementation of the java.beans.beancontext.BeanContextServices interface.

BeanContextServicesSupport.BCSSServiceProvider subclasses may subclass this nested class to add behaviors for each BeanContextServicesProvider.

BeanContextSupport This helper class provides a utility implementation of the java.beans.beancontext.BeanContext interface.

BeanContextSupport.BCSIterator protected final subclass that encapsulates an iterator but implements a noop remove() method.

Package java.beans.beancontext Description

Provides classes and interfaces relating to bean context. A bean context is a container for beans and defines the execution environment for the beans it contains. There can be several beans in a single bean context, and a bean context can be nested within another bean context. This package also contains events and listener interface for beans being added and removed from a bean context.

Since:: JDK1.2