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WorkEvent (Java 2 Platform Ent. Ed. v1.4) - Java Platform, Enterprise Edition v1.4 API Specifications

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javax.resource.spi.work
Class WorkEvent

java.lang.Object
  java.util.EventObject
      javax.resource.spi.work.WorkEvent

All Implemented Interfaces:

Serializable

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public class WorkEvent

extends EventObject

This class models the various events that occur during the processing of a Work instance.

Version:

1.0

Author:

Ram Jeyaraman

See Also:

Serialized Form

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Field Summary
static int	WORK_ACCEPTED           Indicates Work instance has been accepted.
static int	WORK_COMPLETED           Indicates Work instance has completed execution.
static int	WORK_REJECTED           Indicates Work instance has been rejected.
static int	WORK_STARTED           Indicates Work instance has started execution.

 

Fields inherited from class java.util.EventObject

source

 

Constructor Summary

WorkEvent(Object source, int type, Work work, WorkException exc)           Constructor.

WorkEvent(Object source, int type, Work work, WorkException exc, long startDuration)           Constructor.

 

Method Summary
WorkException	getException()           Return the WorkException.
long	getStartDuration()           Return the start interval duration.
int	getType()           Return the type of this event.
Work	getWork()           Return the Work instance which is the cause of the event.

 

Methods inherited from class java.util.EventObject

getSource, toString

 

Methods inherited from class java.lang.Object

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

 

Field Detail

WORK_ACCEPTED

public static final int WORK_ACCEPTED

Indicates Work instance has been accepted.

See Also:

Constant Field Values

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WORK_REJECTED

public static final int WORK_REJECTED

Indicates Work instance has been rejected.

See Also:

Constant Field Values

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WORK_STARTED

public static final int WORK_STARTED

Indicates Work instance has started execution.

See Also:

Constant Field Values

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WORK_COMPLETED

public static final int WORK_COMPLETED

Indicates Work instance has completed execution.

See Also:

Constant Field Values

Constructor Detail

WorkEvent

public WorkEvent(Object source,
                 int type,
                 Work work,
                 WorkException exc)

Constructor.

Parameters:

source - The object on which the event initially occurred.

type - The event type.

work - The Work object on which the event occured.

exc - The exception that occured during Work processing.

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WorkEvent

public WorkEvent(Object source,
                 int type,
                 Work work,
                 WorkException exc,
                 long startDuration)

Constructor.

Parameters:

source - The object on which the event initially occurred.

type - The event type.

work - The Work object on which the event occured.

exc - The exception that occured during Work processing.

startDuration - The start delay duration (in milliseconds).

Method Detail

getType

public int getType()

Return the type of this event.

Returns:

the event type.

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getWork

public Work getWork()

Return the Work instance which is the cause of the event.

Returns:

the Work instance.

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getStartDuration

public long getStartDuration()

Return the start interval duration.

Returns:

the time elapsed (in milliseconds) since the Work was accepted, until the Work execution started. Note, this does not offer real-time guarantees. It is valid to return -1, if the actual start interval duration is unknown.

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getException

public WorkException getException()

Return the WorkException. The actual WorkException subtype returned depends on the type of the event.

Returns:

a WorkRejectedException or a WorkCompletedException, if any.

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