Package jmri

Class Manager.ManagerDataEvent<E extends NamedBean>

java.lang.Object

java.util.EventObject

jmri.Manager.ManagerDataEvent<E>

Type Parameters:

E - the type to support in the event

All Implemented Interfaces:

Serializable

Enclosing interface:

Manager<E extends NamedBean>

@Immutable
public static final class Manager.ManagerDataEvent<E extends NamedBean>
extends EventObject

Define an event that encapsulates changes to a list.

Intended to be equivalent to ListDataEvent without introducing a Swing dependency into core JMRI.

Since:

JMRI 4.11.4 - for use in DataModel code

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final int	CONTENTS_CHANGED	Equal to ListDataEvent.CONTENTS_CHANGED
static final int	INTERVAL_ADDED	Equal to ListDataEvent.INTERVAL_ADDED
static final int	INTERVAL_REMOVED	Equal to ListDataEvent.INTERVAL_REMOVED

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
ManagerDataEvent(Manager<E> source, int type, int index0, int index1, E changedBean)	Create a ListDataEvent object.

Method Summary

Modifier and Type	Method	Description
E	getChangedBean()	Get the changed bean or null.
int	getIndex0()	Get the index of the first item in the range of modified list items.
int	getIndex1()	Get the index of the last item in the range of modified list items.
Manager<E>	getSource()	Get the source of the event in a type-safe manner.
int	getType()	Get a code representing the type of this event, which is usually one of CONTENTS_CHANGED, INTERVAL_ADDED or INTERVAL_REMOVED.
String	toString()	Get a string representing the state of this event.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

CONTENTS_CHANGED

public static final int CONTENTS_CHANGED

Equal to ListDataEvent.CONTENTS_CHANGED

See Also:

• Constant Field Values

INTERVAL_ADDED

public static final int INTERVAL_ADDED

Equal to ListDataEvent.INTERVAL_ADDED

See Also:

• Constant Field Values

INTERVAL_REMOVED

public static final int INTERVAL_REMOVED

Equal to ListDataEvent.INTERVAL_REMOVED

See Also:

• Constant Field Values

Constructor Details

ManagerDataEvent

public ManagerDataEvent(@Nonnull
 Manager<E> source,
 int type,
 int index0,
 int index1,
 E changedBean)

Create a ListDataEvent object.

Parameters:

source - the source of the event (null not permitted).

type - the type of the event (should be one of CONTENTS_CHANGED, INTERVAL_ADDED or INTERVAL_REMOVED, although this is not enforced).

index0 - the index for one end of the modified range of list elements.

index1 - the index for the other end of the modified range of list elements.

changedBean - used when just one bean is added or removed, otherwise null

Method Details

getSource

public Manager<E> getSource()

Get the source of the event in a type-safe manner.

Overrides:

getSource in class EventObject

Returns:

the event source

getIndex0

public int getIndex0()

Get the index of the first item in the range of modified list items.

Returns:

index of the first item in the range of modified list items

getIndex1

public int getIndex1()

Get the index of the last item in the range of modified list items.

Returns:

index of the last item in the range of modified list items

getChangedBean

public E getChangedBean()

Get the changed bean or null.

Returns:

null if more than one bean was changed

getType

public int getType()

Get a code representing the type of this event, which is usually one of CONTENTS_CHANGED, INTERVAL_ADDED or INTERVAL_REMOVED.

Returns:

the event type

toString

public String toString()

Get a string representing the state of this event.

Overrides:

toString in class EventObject

Returns:

event state as a string