org.osgi.service.resourcemonitoring

Class ResourceEvent<T>

java.lang.Object

org.osgi.service.resourcemonitoring.ResourceEvent<T>

Type Parameters:

T - The type for the Resource.

public class ResourceEvent<T>
extends Object

An event is sent to a ResourceListener when resource usage violates one of their thresholds.

ResourceEvent objects are delivered synchronously to all matching ResourceListener services. A typed code is used to identify the event.

See Also:

ResourceListener

Field Summary

Fields

Modifier and Type	Field and Description
static int	ERROR Type of ResourceEvent indicating a threshold goes to the ERROR state.
static int	NORMAL Type of ResourceEvent indicating a threshold goes to the NORMAL state.
static int	WARNING Type of ResourceEvent indicating a threshold goes to the WARNING state.

Constructor Summary

Constructors

Constructor and Description
ResourceEvent(int pType, ResourceContext pContext, boolean pIsUpperThreshold, Comparable<T> pValue) Creates a new ResourceEvent.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object var0)
ResourceContext	getContext() Returns the resource context that caused the event.
int	getType() Returns the event type.
Comparable<T>	getValue() Returns the resource consumption value.
int	hashCode()
boolean	isUpperThreshold() Returns true if the threshold triggering this event is an upper threshold.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

NORMAL

public static final int NORMAL

Type of ResourceEvent indicating a threshold goes to the NORMAL state.

See Also:

Constant Field Values

WARNING

public static final int WARNING

Type of ResourceEvent indicating a threshold goes to the WARNING state.

See Also:

Constant Field Values

ERROR

public static final int ERROR

Type of ResourceEvent indicating a threshold goes to the ERROR state.

See Also:

Constant Field Values

Constructor Detail

ResourceEvent

public ResourceEvent(int pType,
                     ResourceContext pContext,
                     boolean pIsUpperThreshold,
                     Comparable<T> pValue)

Creates a new ResourceEvent.

Parameters:

pType - the event type

pContext - the resource context

pIsUpperThreshold - whether it is an upper threshold

pValue - the value

Method Detail

getType

public int getType()

Returns the event type. The type values are:

• NORMAL
• WARNING
• ERROR

Returns:

The event type

getValue

public Comparable<T> getValue()

Returns the resource consumption value. Relevant only for event types NORMAL, WARNING and ERROR.

Returns:

the resource consumption value, or null if a resource monitor is not relevant.

getContext

public ResourceContext getContext()

Returns the resource context that caused the event.

Returns:

The resource context that caused the event.

isUpperThreshold

public boolean isUpperThreshold()

Returns true if the threshold triggering this event is an upper threshold. This method is only used when getType() returns NORMAL, WARNING or ERROR.

Returns:

true if it is an upper threshold.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object var0)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object