- java.lang.Object
- 
- java.util.EventObject
- 
- java.beans.beancontext.BeanContextEvent
- 
- java.beans.beancontext.BeanContextMembershipEvent
 
 
 
- 
- All Implemented Interfaces:
- Serializable
 
 public class BeanContextMembershipEvent extends BeanContextEvent ABeanContextMembershipEventencapsulates the list of children added to, or removed from, the membership of a particularBeanContext. An instance of this event is fired whenever a successful add(), remove(), retainAll(), removeAll(), or clear() is invoked on a givenBeanContextinstance. Objects interested in receiving events of this type must implement theBeanContextMembershipListenerinterface, and must register their intent via theBeanContext'saddBeanContextMembershipListener(BeanContextMembershipListener bcml)method.- Since:
- 1.2
- See Also:
- BeanContext,- BeanContextEvent,- BeanContextMembershipListener, Serialized Form
 
- 
- 
Field SummaryFields Modifier and Type Field Description protected CollectionchildrenThe list of children affected by this event notification.- 
Fields declared in class java.beans.beancontext.BeanContextEventpropagatedFrom
 - 
Fields declared in class java.util.EventObjectsource
 
- 
 - 
Constructor SummaryConstructors Constructor Description BeanContextMembershipEvent(BeanContext bc, Object[] changes)Contruct a BeanContextMembershipEventBeanContextMembershipEvent(BeanContext bc, Collection changes)Contruct a BeanContextMembershipEvent
 - 
Method SummaryAll Methods Instance Methods Concrete Methods Modifier and Type Method Description booleancontains(Object child)Is the child specified affected by the event?Iteratoriterator()Gets the array of children affected by this event.intsize()Gets the number of children affected by the notification.Object[]toArray()Gets the array of children affected by this event.- 
Methods declared in class java.beans.beancontext.BeanContextEventgetBeanContext, getPropagatedFrom, isPropagated, setPropagatedFrom
 - 
Methods declared in class java.util.EventObjectgetSource, toString
 
- 
 
- 
- 
- 
Field Detail- 
childrenprotected Collection children The list of children affected by this event notification.
 
- 
 - 
Constructor Detail- 
BeanContextMembershipEventpublic BeanContextMembershipEvent(BeanContext bc, Collection changes) Contruct a BeanContextMembershipEvent- Parameters:
- bc- The BeanContext source
- changes- The Children affected
- Throws:
- NullPointerException- if- changesis- null
 
 - 
BeanContextMembershipEventpublic BeanContextMembershipEvent(BeanContext bc, Object[] changes) Contruct a BeanContextMembershipEvent- Parameters:
- bc- The BeanContext source
- changes- The Children effected
- Throws:
- NullPointerException- if changes associated with this event are null.
 
 
- 
 - 
Method Detail- 
sizepublic int size() Gets the number of children affected by the notification.- Returns:
- the number of children affected by the notification
 
 - 
containspublic boolean contains(Object child) Is the child specified affected by the event?- Parameters:
- child- the object to check for being affected
- Returns:
- trueif affected,- falseif not
 
 - 
toArraypublic Object[] toArray() Gets the array of children affected by this event.- Returns:
- the array of children affected
 
 - 
iteratorpublic Iterator iterator() Gets the array of children affected by this event.- Returns:
- the array of children effected
 
 
- 
 
-