Package org.wikidata.wdtk.datamodel.implementation

Class StatementUpdateImpl

java.lang.Object

org.wikidata.wdtk.datamodel.implementation.StatementUpdateImpl

All Implemented Interfaces:

StatementUpdate

public class StatementUpdateImpl
extends Object
implements StatementUpdate

Jackson implementation of StatementUpdate.

See Also:

• StatementDocumentUpdateImpl

Field Summary

Fields inherited from interface org.wikidata.wdtk.datamodel.interfaces.StatementUpdate

EMPTY

Constructor Summary

Constructors

Constructor	Description
StatementUpdateImpl(Collection<Statement> added, Collection<Statement> replaced, Collection<String> removed)	Initializes new statement update.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
List<Statement>	getAdded()	Returns statements added to the entity in this update.
Set<String>	getRemoved()	Returns IDs of statements removed from the entity in this update.
Map<String,Statement>	getReplaced()	Returns entity statements modified in this update.
int	hashCode()
boolean	isEmpty()	Checks whether the update is empty.

Methods inherited from class java.lang.Object

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

Constructor Details

StatementUpdateImpl

public StatementUpdateImpl(Collection<Statement> added,
 Collection<Statement> replaced,
 Collection<String> removed)

Initializes new statement update.

Parameters:

added - added statements

replaced - replaced statements

removed - IDs of removed statements

Throws:

NullPointerException - if any parameter or any item is null

IllegalArgumentException - if any parameters or their combination is invalid

Method Details

isEmpty

public boolean isEmpty()

Description copied from interface: StatementUpdate

Checks whether the update is empty. Empty update will not change or remove any statements.

Specified by:

isEmpty in interface StatementUpdate

Returns:

true if the update is empty, false otherwise

getAdded

public List<Statement> getAdded()

Description copied from interface: StatementUpdate

Returns statements added to the entity in this update.

Specified by:

getAdded in interface StatementUpdate

Returns:

list of added statements

getReplaced

public Map<String,Statement> getReplaced()

Description copied from interface: StatementUpdate

Returns entity statements modified in this update.

Specified by:

getReplaced in interface StatementUpdate

Returns:

modified statements indexed by statement ID

getRemoved

public Set<String> getRemoved()

Description copied from interface: StatementUpdate

Returns IDs of statements removed from the entity in this update.

Specified by:

getRemoved in interface StatementUpdate

Returns:

list of IDs of removed statements

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object