org.deri.iris.builtins.datatype
Class ToDateBuiltin

java.lang.Object
  extended by org.deri.iris.builtins.AbstractBuiltin
      extended by org.deri.iris.builtins.FunctionalBuiltin
          extended by org.deri.iris.builtins.datatype.ConversionBuiltin
              extended by org.deri.iris.builtins.datatype.ToDateBuiltin
All Implemented Interfaces:
Comparable<IAtom>, IAtom, IBuiltinAtom

public class ToDateBuiltin
extends ConversionBuiltin

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


Field Summary
 
Fields inherited from class org.deri.iris.builtins.AbstractBuiltin
EMPTY_TERM
 
Constructor Summary
ToDateBuiltin(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 IDateTerm toDate(IDateTime term)
          Converts a DateTime term to a Date 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

ToDateBuiltin

public ToDateBuiltin(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.

toDate

public static IDateTerm toDate(IDateTime term)
Converts a DateTime term to a Date term.

Parameters:
term - The DateTime term to be converted.
Returns:
A new Date term representing the result of the conversion.