Package org.wikidata.wdtk.datamodel.interfaces

Interface SnakVisitor<T>

Type Parameters:

T - the return type of the visitor

All Known Implementing Classes:

DatamodelConverter

public interface SnakVisitor<T>

A visitor for the various types of snaks in the datamodel. This should be used to avoid any type casting or instanceof checks when processing snaks.

Author:

Markus Kroetzsch

Method Summary

Modifier and Type	Method	Description
T	visit(NoValueSnak snak)	Visits a NoValueSnak and returns a result.
T	visit(SomeValueSnak snak)	Visits a SomeValueSnak and returns a result.
T	visit(ValueSnak snak)	Visits a ValueSnak and returns a result.

Method Detail

visit

T visit(ValueSnak snak)

Visits a ValueSnak and returns a result.

Parameters:

snak - the snak to visit

Returns:

the result for this snak

visit

T visit(SomeValueSnak snak)

Visits a SomeValueSnak and returns a result.

Parameters:

snak - the snak to visit

Returns:

the result for this snak

visit

T visit(NoValueSnak snak)

Visits a NoValueSnak and returns a result.

Parameters:

snak - the snak to visit

Returns:

the result for this snak