blob: 520d627428f6e63587395a942d31ae9422e4e715 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/***************************************************************************
* Copyright (c) 2004 - 2008 Eike Stepper, Germany.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
**************************************************************************/
package org.eclipse.net4j.util.container;
import org.eclipse.net4j.util.container.IContainerDelta.Kind;
import org.eclipse.net4j.util.lifecycle.Lifecycle;
import java.util.List;
/**
* @author Eike Stepper
*/
public abstract class Container<E> extends Lifecycle implements IContainer<E>
{
public Container()
{
}
public boolean isEmpty()
{
E[] elements = getElements();
return elements == null || elements.length == 0;
}
public void fireElementAddedEvent(E element)
{
fireContainerEvent(element, IContainerDelta.Kind.ADDED);
}
public void fireElementRemovedEvent(E element)
{
fireContainerEvent(element, IContainerDelta.Kind.REMOVED);
}
public void fireContainerEvent(E element, Kind kind)
{
fireEvent(newContainerEvent(element, kind));
}
public void fireContainerEvent(List<IContainerDelta<E>> deltas)
{
fireEvent(new ContainerEvent<E>(this, deltas));
}
protected SingleDeltaContainerEvent<E> newContainerEvent(E element, IContainerDelta.Kind kind)
{
return new SingleDeltaContainerEvent<E>(this, element, kind);
}
protected ContainerEvent<E> newContainerEvent()
{
return new ContainerEvent<E>(this);
}
}
|
