Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Interface BeanContextServices - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Edition

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java.beans.beancontext
Interface BeanContextServices

All Known Implementing Classes:: BeanContextServicesSupport

public interface BeanContextServices
extends BeanContext, BeanContextServicesListener

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

Fields inherited from interface java.beans.beancontext.BeanContext

globalHierarchyLock

Fields inherited from interface java.beans.DesignMode

PROPERTYNAME

Method Summary

void addBeanContextServicesListener(BeanContextServicesListener bcsl)
          add a BeanContextServicesListener to this BeanContext

boolean addService(Class serviceClass, BeanContextServiceProvider serviceProvider)
          add a service to this BeanContext

Iterator getCurrentServiceClasses()
          return the currently available services

Iterator getCurrentServiceSelectors(Class serviceClass)


Object getService(BeanContextChild child, Object requestor, Class serviceClass, Object serviceSelector, BeanContextServiceRevokedListener bcsrl)


boolean hasService(Class serviceClass)


void releaseService(BeanContextChild child, Object requestor, Object service)
          release the service reference

void removeBeanContextServicesListener(BeanContextServicesListener bcsl)
          remove a BeanContextServicesListener from this BeanContext

void revokeService(Class serviceClass, BeanContextServiceProvider serviceProvider, boolean revokeCurrentServicesNow)
          remove a service from this BeanContext

Methods inherited from interface java.beans.beancontext.BeanContext

addBeanContextMembershipListener, getResource, getResourceAsStream, instantiateChild, removeBeanContextMembershipListener

Methods inherited from interface java.beans.beancontext.BeanContextServicesListener

serviceAvailable

Methods inherited from interface java.beans.beancontext.BeanContextChild

addPropertyChangeListener, addVetoableChangeListener, getBeanContext, removePropertyChangeListener, removeVetoableChangeListener, setBeanContext

Methods inherited from interface java.util.Collection

add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray

Methods inherited from interface java.beans.DesignMode

isDesignTime, setDesignTime

Methods inherited from interface java.beans.Visibility

avoidingGui, dontUseGui, needsGui, okToUseGui

Methods inherited from interface java.beans.beancontext.BeanContextServiceRevokedListener

serviceRevoked

Method Detail

addService

public boolean addService(Class serviceClass,
                          BeanContextServiceProvider serviceProvider)

add a service to this BeanContext

revokeService

public void revokeService(Class serviceClass,
                          BeanContextServiceProvider serviceProvider,
                          boolean revokeCurrentServicesNow)

remove a service from this BeanContext

hasService

public boolean hasService(Class serviceClass)

Returns:: true iff the service is available.

getService

public Object getService(BeanContextChild child,
                         Object requestor,
                         Class serviceClass,
                         Object serviceSelector,
                         BeanContextServiceRevokedListener bcsrl)
                  throws TooManyListenersException

Returns:: a reference to this context's named Service as requested or null

releaseService

public void releaseService(BeanContextChild child,
                           Object requestor,
                           Object service)

release the service reference

getCurrentServiceClasses

public Iterator getCurrentServiceClasses()

return the currently available services

getCurrentServiceSelectors

public Iterator getCurrentServiceSelectors(Class serviceClass)

Returns:: the currently available service selectors for the named serviceClass

addBeanContextServicesListener

public void addBeanContextServicesListener(BeanContextServicesListener bcsl)

add a BeanContextServicesListener to this BeanContext

removeBeanContextServicesListener

public void removeBeanContextServicesListener(BeanContextServicesListener bcsl)

remove a BeanContextServicesListener from this BeanContext