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java.beans.beancontext

Class BeanContextMembershipEvent

Implemented Interfaces:
Serializable
public class BeanContextMembershipEvent
extends BeanContextEvent
Event fired when children are added to or removed from a BeanContext. Whether they were added or removed depends entirely on which method of the listener interface was called.
Since:
1.2
See Also:
BeanContextMembershipListener, Serialized Form

Field Summary

protected Collection<E>
children
The children that were added or removed.

Fields inherited from class java.beans.beancontext.BeanContextEvent

propagatedFrom

Fields inherited from class java.util.EventObject

source

Constructor Summary

BeanContextMembershipEvent(BeanContext context, Object[] children)
Create a new membership event.
BeanContextMembershipEvent(BeanContext context, Collection<E> children)
Create a new membership event.

Method Summary

boolean
contains(Object child)
Tell whether the Object is one of the children added or removed.
Iterator<E>
iterator()
An iterator that will step through all the children.
int
size()
The number of children removed or added.
Object[]
toArray()
An array of the children.

Methods inherited from class java.beans.beancontext.BeanContextEvent

getBeanContext, getPropagatedFrom, isPropagated, setPropagatedFrom

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

children

protected Collection<E> children
The children that were added or removed.

Constructor Details

BeanContextMembershipEvent

public BeanContextMembershipEvent(BeanContext context,
                                  Object[] children)
Create a new membership event.
Parameters:
context - the event source.
children - the children added to or removed from the source.

BeanContextMembershipEvent

public BeanContextMembershipEvent(BeanContext context,
                                  Collection<E> children)
Create a new membership event.
Parameters:
context - the event source.
children - the children added to or removed from the source.

Method Details

contains

public boolean contains(Object child)
Tell whether the Object is one of the children added or removed.
Parameters:
child - the child to check.
Returns:
whether the Object is added or removed.

iterator

public Iterator<E> iterator()
An iterator that will step through all the children.
Returns:
an iterator over all the children.

size

public int size()
The number of children removed or added.
Returns:
the number of children removed or added.

toArray

public Object[] toArray()
An array of the children.
Returns:
an array of the children.
java.beans.beancontext.BeanContextMembershipEvent Copyright (C) 1999, 2004 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.

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