org.h2.value

Class VersionedValue

java.lang.Object

org.h2.value.VersionedValue

Direct Known Subclasses:

Value

public class VersionedValue
extends java.lang.Object

A versioned value (possibly null). It contains current value and latest committed value if current one is uncommitted. Also for uncommitted values it contains operationId - a combination of transactionId and logId.

Field Summary

Fields

Modifier and Type	Field and Description
static VersionedValue	DUMMY Used when we don't care about a VersionedValue instance.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	VersionedValue()

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	getCommittedValue()
java.lang.Object	getCurrentValue()
long	getOperationId()
boolean	isCommitted()

Methods inherited from class java.lang.Object

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

Field Detail

DUMMY

public static final VersionedValue DUMMY

Used when we don't care about a VersionedValue instance.

Constructor Detail

VersionedValue

protected VersionedValue()

Method Detail

isCommitted

public boolean isCommitted()

getOperationId

public long getOperationId()

getCurrentValue

public java.lang.Object getCurrentValue()

getCommittedValue

public java.lang.Object getCommittedValue()