Package org.wikidata.wdtk.datamodel.json.jackson

Class ClaimFromJson

java.lang.Object

org.wikidata.wdtk.datamodel.json.jackson.ClaimFromJson

All Implemented Interfaces:

Claim

public class ClaimFromJson
extends java.lang.Object
implements Claim

Helper class to represent a Claim deserialized from JSON. The actual data is part of JacksonStatement. This is merely a facade that provides a suitable view.

Author:

Fredo Erxleben

Constructor Summary

Constructors

Constructor	Description
ClaimFromJson(JacksonStatement statement)

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object obj)
java.util.Iterator<Snak>	getAllQualifiers()	Returns an iterator over all qualifiers, without considering qualifier groups.
Snak	getMainSnak()	Main Snak of the statement.
java.util.List<SnakGroup>	getQualifiers()	Groups of auxiliary Snaks, also known as qualifiers, that provide additional context information for this claim.
EntityIdValue	getSubject()	The subject that the claim refers to, e.g., the id of "Berlin".
Value	getValue()	Convenience method to get the value of the claim's main snak, or null if there is none.
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ClaimFromJson

public ClaimFromJson(JacksonStatement statement)

Method Detail

getSubject

public EntityIdValue getSubject()

Description copied from interface: Claim

The subject that the claim refers to, e.g., the id of "Berlin".

Specified by:

getSubject in interface Claim

Returns:

EntityId of the subject

getMainSnak

public Snak getMainSnak()

Description copied from interface: Claim

Main Snak of the statement. This Snak refers directly to the subject, e.g., the ValueSnak "Population: 3000000".

Specified by:

getMainSnak in interface Claim

Returns:

the main snak

getQualifiers

public java.util.List<SnakGroup> getQualifiers()

Description copied from interface: Claim

Groups of auxiliary Snaks, also known as qualifiers, that provide additional context information for this claim. For example, "as of: 2014" might be a temporal context given for a claim that provides a population number. The snaks are grouped by the property that they use.

Specified by:

getQualifiers in interface Claim

Returns:

list of snak groups

getAllQualifiers

public java.util.Iterator<Snak> getAllQualifiers()

Description copied from interface: Claim

Returns an iterator over all qualifiers, without considering qualifier groups. The relative order of qualifiers is preserved.

Specified by:

getAllQualifiers in interface Claim

Returns:

iterator over all qualifier snaks

getValue

public Value getValue()

Description copied from interface: Claim

Convenience method to get the value of the claim's main snak, or null if there is none.

Specified by:

getValue in interface Claim

Returns:

main value of the claim, or null

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object