org.demac.event
Class Event

java.lang.Object
  org.demac.event.Event

Direct Known Subclasses:

DeviceDetectedEvent, MulticastEvent, RegisterEvent, UnknownEvent

public abstract class Event
extends java.lang.Object

Superclass of all events which can be used by the org.demac.event.EventService.

Field Summary

static int	GLOBAL_SCOPE This constant indecates that the event can be propagated to all known devices.
static int	LOCAL_EVENT This constant indecates that the event has its origin at the local device.
static int	LOCAL_SCOPE This constant indecates that the event must only be propagated locally.
static int	PERIPERY_SCOPE This constant indecates that the event must only be propagated to the known devices within the direct vicinity.
static int	REMOTE_EVENT This constant indecates that the event has its origin at a remote device.

Constructor Summary

Event()

Method Summary

abstract EventHandle	getEventHandle() Method to get the type of the event.
abstract DeviceHandle	getOriginHandle() Method to get the origin device of the event.
abstract java.lang.Object	getPayload() Method to get the payload of the event.
abstract int	getPriority() Method to get the priority of the event.
abstract int	getScope() Method to get the scope of the event.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOCAL_EVENT

public static final int LOCAL_EVENT

This constant indecates that the event has its origin at the local device.

See Also:

Constant Field Values

REMOTE_EVENT

public static final int REMOTE_EVENT

This constant indecates that the event has its origin at a remote device.

See Also:

Constant Field Values

LOCAL_SCOPE

public static final int LOCAL_SCOPE

This constant indecates that the event must only be propagated locally.

See Also:

Constant Field Values

PERIPERY_SCOPE

public static final int PERIPERY_SCOPE

This constant indecates that the event must only be propagated to the known devices within the direct vicinity.

See Also:

Constant Field Values

GLOBAL_SCOPE

public static final int GLOBAL_SCOPE

This constant indecates that the event can be propagated to all known devices.

See Also:

Constant Field Values

Constructor Detail

Event

public Event()

Method Detail

getOriginHandle

public abstract DeviceHandle getOriginHandle()

Method to get the origin device of the event.

Returns:

the type of this event

getEventHandle

public abstract EventHandle getEventHandle()

Method to get the type of the event.

Returns:

the type of this event

getScope

public abstract int getScope()

Method to get the scope of the event.

Returns:

the scope of this event

getPriority

public abstract int getPriority()

Method to get the priority of the event.

Returns:

the priority of this event

getPayload

public abstract java.lang.Object getPayload()

Method to get the payload of the event.

Returns:

the payload of the event.