org.deri.iris.builtins.datatype
Class ToGYearBuiltin

java.lang.Object
  org.deri.iris.builtins.AbstractBuiltin
      org.deri.iris.builtins.FunctionalBuiltin
          org.deri.iris.builtins.datatype.ConversionBuiltin
              org.deri.iris.builtins.datatype.ToGYearBuiltin

All Implemented Interfaces:

Comparable<IAtom>, IAtom, IBuiltinAtom

public class ToGYearBuiltin
extends ConversionBuiltin

Represents a data type conversion function, which converts supported data type instances to GYear instances. The following data types are supported:

• Date
• DateTime

Field Summary

Fields inherited from class org.deri.iris.builtins.AbstractBuiltin

EMPTY_TERM

Constructor Summary

ToGYearBuiltin(ITerm... terms)
Creates a new instance of this builtin.

Method Summary

protected ITerm	convert(ITerm term) Converts the given supported data type instance to the specific data type
static IGYear	toGYear(IDateTerm term) Converts a Date term to a GYear term.
static IGYear	toGYear(IDateTime term) Converts a DateTime term to a GYear term.

Methods inherited from class org.deri.iris.builtins.datatype.ConversionBuiltin

computeResult

Methods inherited from class org.deri.iris.builtins.FunctionalBuiltin

evaluateTerms, maxUnknownVariables, testForEquality

Methods inherited from class org.deri.iris.builtins.AbstractBuiltin

compareTo, equals, evaluate, getPredicate, getTuple, hashCode, isBuiltin, isGround, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ToGYearBuiltin

public ToGYearBuiltin(ITerm... terms)

Creates a new instance of this builtin.

Parameters:

terms - The term representing the data type instance to be converted.

Method Detail

convert

protected ITerm convert(ITerm term)

Description copied from class: ConversionBuiltin

Converts the given supported data type instance to the specific data type

Specified by:

convert in class ConversionBuiltin

Returns:

The result of the conversion or null if the specified data type is not compatible.

toGYear

public static IGYear toGYear(IDateTerm term)

Converts a Date term to a GYear term.

Parameters:

term - The Date term to be converted.

Returns:

A new GYear term representing the result of the conversion.

toGYear

public static IGYear toGYear(IDateTime term)

Converts a DateTime term to a GYear term.

Parameters:

term - The DateTime term to be converted.

Returns:

A new GYear term representing the result of the conversion.