org.wikidata.query.rdf.tool.change

Class Change

java.lang.Object

org.wikidata.query.rdf.tool.change.Change

All Implemented Interfaces:

Comparable<Change>

public class Change
extends Object
implements Comparable<Change>

A change in an entity in Wikibase.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	Change.Batch A batch of changes.
class	Change.DelayedChange
static interface	Change.Source<B extends Change.Batch> Detects changes.

Field Summary

Fields

Modifier and Type	Field and Description
static long	NO_REVISION Change that is not associated with specific revision.

Constructor Summary

Constructors

Constructor and Description
Change(String entityId, long revision, Instant timestamp, long offset)
Change(String entityId, long revision, Instant timestamp, long offset, String chronologyId)

Method Summary

Modifier and Type	Method and Description
String	chronologyId() The entity that changed.
int	compareTo(Change o)
void	delay(Queue<Change.DelayedChange> queue, long timeout)
String	entityId() The entity that changed.
Collection<String>	getRefCleanupList() Return reference cleanup list.
Collection<org.openrdf.model.Statement>	getStatements() Set statements collection.
Collection<String>	getValueCleanupList() Return value cleanup list.
long	offset() The offset of the change in the external stream.
long	revision() The revision of the change.
void	setRefCleanupList(Collection<String> cleanupList) Set reference cleanup list.
void	setStatements(Collection<org.openrdf.model.Statement> statements) Return statements collection.
void	setValueCleanupList(Collection<String> cleanupList) Set value cleanup list.
Instant	timestamp() The timestamp of the change.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

NO_REVISION

public static final long NO_REVISION

Change that is not associated with specific revision.

See Also:

Constant Field Values

Constructor Detail

Change

public Change(String entityId,
              long revision,
              Instant timestamp,
              long offset)

Change

public Change(String entityId,
              long revision,
              Instant timestamp,
              long offset,
              String chronologyId)

Method Detail

entityId

public String entityId()

The entity that changed.

revision

public long revision()

The revision of the change.

Returns:

the revision number of -1 if that information is not available

offset

public long offset()

The offset of the change in the external stream. Note that not all changes may come from an external stream, and not all changes may come from the same stream.

timestamp

public Instant timestamp()

The timestamp of the change.

Returns:

the timestamp or null if that information is not available

chronologyId

public String chronologyId()

The entity that changed.

toString

public String toString()

Overrides:

toString in class Object

compareTo

public int compareTo(Change o)

Specified by:

compareTo in interface Comparable<Change>

getStatements

public Collection<org.openrdf.model.Statement> getStatements()

Set statements collection.

setStatements

public void setStatements(Collection<org.openrdf.model.Statement> statements)

Return statements collection.

getValueCleanupList

public Collection<String> getValueCleanupList()

Return value cleanup list.

getRefCleanupList

public Collection<String> getRefCleanupList()

Return reference cleanup list.

setRefCleanupList

public void setRefCleanupList(Collection<String> cleanupList)

Set reference cleanup list.

setValueCleanupList

public void setValueCleanupList(Collection<String> cleanupList)

Set value cleanup list.

delay

public void delay(Queue<Change.DelayedChange> queue,
                  long timeout)