org.rvpf.base.sync

Class NullSync

Object

Sync.Abstract

NullSync

All Implemented Interfaces:

Externalizable, Serializable, Sync

public final class NullSync
extends Sync.Abstract

Null sync.

Instances of this class may be used as a place holder for other syncs.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface Sync

Sync.Abstract

Field Summary

Fields inherited from interface Sync

CRONTAB_PARAM, ELAPSED_PARAM, OFFSET_PARAM, STAMP_PARAM, TIME_ZONE_PARAM

Constructor Summary

Constructors

Constructor and Description
NullSync() Constructs an instance.

Method Summary

Modifier and Type	Method and Description
Sync	copy() Creates a copy of this.
Optional<DateTime>	getNextStamp() Gets the next time stamp.
Optional<DateTime>	getPreviousStamp() Gets the previous time stamp.
boolean	isInSync() Asks if the current time stamp is in sync.

Methods inherited from class Sync.Abstract

checkNotFrozen, freeze, getCurrentStamp, getDefaultLimits, getFirstStamp, getLastStamp, getLimits, getNextStamp, getNextStamp, getNextStamp, getPreviousStamp, getPreviousStamp, getPreviousStamp, getThisLogger, getZoneId, isBounded, isInSync, iterator, iterator, nextStamp, previousStamp, readExternal, reverseIterator, reverseIterator, seed, setCurrentStamp, setLimits, setUp, setZoneId, tearDown, toString, writeExternal

Methods inherited from class Object

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

Constructor Detail

NullSync

public NullSync()

Constructs an instance.

Method Detail

copy

public Sync copy()

Creates a copy of this.

Returns:

The copy.

getNextStamp

public Optional<DateTime> getNextStamp()

Gets the next time stamp.

Returns:

The next time stamp (empty if none).

getPreviousStamp

public Optional<DateTime> getPreviousStamp()

Gets the previous time stamp.

Returns:

The previous time stamp (empty if none).

isInSync

public boolean isInSync()

Asks if the current time stamp is in sync.

Returns:

True when in sync.