one.world.io
Class FlushEvent

java.lang.Object
  |
  +--one.world.core.Tuple
        |
        +--one.world.core.Event
              |
              +--one.world.util.TypedEvent
                    |
                    +--one.world.io.FlushEvent

All Implemented Interfaces:

Cloneable, Serializable

public class FlushEvent

extends TypedEvent

Implementation of a flush event. Flush events are used to request and confirm the flushing of a tuple store, whose durability flag is false. Flush requests on tuple stores, whose durability flag is true, have no effect and are immediately confirmed.

Version:

$Revision: 1.3 $

See Also:

OptionEvent, Serialized Form

Field Summary

static int	REQUEST The type code for a flush request.
static int	RESPONSE The type code for a flush response.

Fields inherited from class one.world.util.TypedEvent

type

Fields inherited from class one.world.core.Event

closure, source

Fields inherited from class one.world.core.Tuple

CLOSURE, id, ID, META_DATA, metaData, SOURCE

Constructor Summary

FlushEvent()
Create a new, empty flush event.

FlushEvent(EventHandler source, Object closure, int type)
Create a new flush event.

Method Summary

void	validate() Validate this flush event.

Methods inherited from class one.world.core.Tuple

clone, containsNonSymbolicHandler, equals, fields, get, getMetaData, getType, hasField, hashCode, hasMetaData, remove, set, setMetaData, toString, wrap

Methods inherited from class java.lang.Object

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

Field Detail

REQUEST

public static final int REQUEST

The type code for a flush request.

RESPONSE

public static final int RESPONSE

The type code for a flush response.

Constructor Detail

FlushEvent

public FlushEvent()

Create a new, empty flush event.

FlushEvent

public FlushEvent(EventHandler source,
                  Object closure,
                  int type)

Create a new flush event.

Parameters:

source - The source for the new flush event.

closure - The closure for the new flush event.

type - The type for the new flush event.

Method Detail

validate

public void validate()
              throws TupleException

Validate this flush event.

Overrides:

validate in class Event

Following copied from class: one.world.core.Tuple

Throws:

TupleException - Signals that the tuple is either malformed (i.e., does not conform to the tuple specification) or invalid (i.e., does not conform to the semantic constraints of its type).

See Also:

MalformedTupleException, InvalidTupleException, Type.validate(Class)