com.pervasive.datarush.tokens

Class DefaultModificationCountProvider

java.lang.Object

com.pervasive.datarush.tokens.DefaultModificationCountProvider

All Implemented Interfaces:

ModificationCountProvider

public class DefaultModificationCountProvider
extends Object
implements ModificationCountProvider

Provides a change number sequence which is manually managed. The creator is responsible for advancing the sequence.

Constructor Summary

Constructors

Constructor and Description
DefaultModificationCountProvider() Creates a new change number sequence.

Method Summary

Methods

Modifier and Type	Method and Description
long	getModificationCount() Gets the current change number.
void	increment() Increment the current change number.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultModificationCountProvider

public DefaultModificationCountProvider()

Creates a new change number sequence.

Method Detail

getModificationCount

public long getModificationCount()

Description copied from interface: ModificationCountProvider

Gets the current change number. This value is monotonically increasing; a change in value indicates a change to the data structure associated with the provider.

Specified by:

getModificationCount in interface ModificationCountProvider

Returns:

the current sequence number

increment

public void increment()

Increment the current change number. Subsequent calls to getModificationCount() will see the new counter value.