Class TaskResultEvent<T>

java.lang.Object

java.util.EventObject

cl.netswitch.lib.server.TaskResultEvent<T>

Type Parameters:

T - the type of the value computed by the task.

All Implemented Interfaces:

Serializable

public final class TaskResultEvent<T>
extends EventObject

TaskResultEvent is used to notify that a task has computed a result.

See Also:

• Serialized Form

Field Summary

Fields inherited from class EventObject

source

Constructor Summary

Constructors

Constructor	Description
TaskResultEvent(ServerChannel channel, T value, Throwable thrown, RequestEvent request)	Constructs a new TaskResultEvent instance.

Method Summary

Modifier and Type	Method	Description
Throwable	getError()	Returns the exception thrown by the task.
RequestEvent	getRequest()	Returns the request that executed the server task.
ServerChannel	getServerChannel()	Returns the server channel of this event.
T	getValue()	Returns the value computed by the task.

Methods inherited from class EventObject

getSource, toString

Methods inherited from class Object

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

Constructor Details

TaskResultEvent

public TaskResultEvent(ServerChannel channel,
 T value,
 Throwable thrown,
 RequestEvent request)

Constructs a new TaskResultEvent instance.

Parameters:

channel - the object on which the event occurred.

value - the value computed by the task (can be null).

thrown - exception thrown by the task (can be null).

request - the request that executed the task (can be null).

Throws:

NullPointerException - if channel is null.

Method Details

getServerChannel

public ServerChannel getServerChannel()

Returns the server channel of this event.

Returns:

the server channel of this event.

getValue

public T getValue()
           throws Exception

Returns the value computed by the task. If the task completed by throwing an exception, this method throws that exception.

Returns:

the value computed by the task (can be null).

Throws:

Exception - the exception thrown by the task.

See Also:

• getError()

getError

public Throwable getError()

Returns the exception thrown by the task. It returns null if the task returned a value and did not throw an exception.

Returns:

the exception or null if no exception was thrown.

See Also:

• getValue()

getRequest

public RequestEvent getRequest()

Returns the request that executed the server task.

Returns:

the request or null if none specified.