Package com.google.refine.history

Class HistoryEntry

java.lang.Object

com.google.refine.history.HistoryEntry

public class HistoryEntry
extends Object

This is the metadata of a Change. It's small, so we can load it in order to obtain information about a change without actually loading the change.

Field Summary

Fields

Modifier and Type	Field	Description
final HistoryEntryManager	_manager
final String	description
final long	id
final AbstractOperation	operation
final long	projectID
final OffsetDateTime	time

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	HistoryEntry(long id, long projectID, String description, AbstractOperation operation)
protected	HistoryEntry(long id, long projectID, String description, AbstractOperation operation, OffsetDateTime time)
	HistoryEntry(long id, Project project, String description, AbstractOperation operation, Change change)

Method Summary

Modifier and Type	Method	Description
static long	allocateID()
void	apply(Project project)	Apply a change to a project.
void	delete()
Change	getChange()
static HistoryEntry	load(Project project, String s)
void	revert(Project project)
void	save(Writer writer, Properties options)
void	setChange(Change _change)

Methods inherited from class java.lang.Object

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

Field Details

id

public final long id

projectID

public final long projectID

description

public final String description

time

public final OffsetDateTime time

_manager

public final HistoryEntryManager _manager

operation

public final AbstractOperation operation

Constructor Details

HistoryEntry

protected HistoryEntry(long id,
 long projectID,
 String description,
 AbstractOperation operation)

HistoryEntry

public HistoryEntry(long id,
 Project project,
 String description,
 AbstractOperation operation,
 Change change)

HistoryEntry

protected HistoryEntry(long id,
 long projectID,
 String description,
 AbstractOperation operation,
 OffsetDateTime time)

Method Details

setChange

public void setChange(Change _change)

getChange

public Change getChange()

allocateID

public static long allocateID()

save

public void save(Writer writer,
 Properties options)

apply

public void apply(Project project)

Apply a change to a project. In most cases you should already hold the Project lock before calling this method to prevent deadlocks.

Parameters:

project - the project the change should be applied to

revert

public void revert(Project project)

load

public static HistoryEntry load(Project project,
 String s)
                         throws IOException

Throws:

IOException

delete

public void delete()