Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Interface 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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java.beans.beancontext
Interface BeanContext

All Known Subinterfaces:: BeanContextServices

All Known Implementing Classes:: BeanContextSupport

public interface BeanContext
extends BeanContextChild, Collection, DesignMode, Visibility

The BeanContext acts a logical heirarchical container for JavaBeans.

Since:: JDK1.2

Field Summary

static Object globalHierarchyLock
          this global lock is used by both BeanContext and BeanContextServices implementors to serialize changes in a BeanContext hierarchy and any service requests etc.

Fields inherited from interface java.beans.DesignMode

PROPERTYNAME

Method Summary

void addBeanContextMembershipListener(BeanContextMembershipListener bcml)
          add a BeanContextMembershipListener

URL getResource(String name, BeanContextChild bcc)


InputStream getResourceAsStream(String name, BeanContextChild bcc)


Object instantiateChild(String beanName)
          Instantiate the javaBean named as a child of this BeanContext

void removeBeanContextMembershipListener(BeanContextMembershipListener bcml)
          remove a BeanContextMembershipListener

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

Field Detail

globalHierarchyLock

public static final Object globalHierarchyLock

this global lock is used by both BeanContext and BeanContextServices implementors to serialize changes in a BeanContext hierarchy and any service requests etc.

Method Detail

instantiateChild

public Object instantiateChild(String beanName)
                        throws IOException,
                               ClassNotFoundException

Instantiate the javaBean named as a child of this BeanContext

Parameters:: beanName - The name of the JavaBean to instantiate as a child of this BeanContext

getResourceAsStream

public InputStream getResourceAsStream(String name,
                                       BeanContextChild bcc)
                                throws IllegalArgumentException

Returns:: an InputStream to the named resource for the specified child

getResource

public URL getResource(String name,
                       BeanContextChild bcc)
                throws IllegalArgumentException

Returns:: a URL for the named resource for the specified child

addBeanContextMembershipListener

public void addBeanContextMembershipListener(BeanContextMembershipListener bcml)

add a BeanContextMembershipListener

removeBeanContextMembershipListener

public void removeBeanContextMembershipListener(BeanContextMembershipListener bcml)

remove a BeanContextMembershipListener