org.deri.iris.builtins.string
Class StringStartsWithWithoutCollationBuiltin

java.lang.Object
  org.deri.iris.builtins.AbstractBuiltin
      org.deri.iris.builtins.BooleanBuiltin
          org.deri.iris.builtins.string.StringStartsWithWithoutCollationBuiltin

All Implemented Interfaces:

Comparable<IAtom>, IAtom, IBuiltinAtom

public class StringStartsWithWithoutCollationBuiltin
extends BooleanBuiltin

Represents the RIF built-in func:starts-with as described in http://www.w3.org/TR/xpath-functions/#func-starts-with. Restricts the value of collation to Unicode code point collation (http://www.w3.org/2005/xpath-functions/collation/codepoint).

Field Summary

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

EMPTY_TERM

Constructor Summary

StringStartsWithWithoutCollationBuiltin(ITerm... terms)
Constructor.

Method Summary

protected boolean

computeResult(ITerm[] terms) Compute the result of the comparison.

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

evaluateTerms

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

StringStartsWithWithoutCollationBuiltin

public StringStartsWithWithoutCollationBuiltin(ITerm... terms)

Constructor.

Parameters:

terms - The terms, where the term at the first position is the haystack and the term at the second position is the needle. The haystack is the string being searched for the occurrence of the needle. The needle is the string to be searched for in the haystack.

Throws:

IllegalArgumentException - if one of the terms is null

Method Detail

computeResult

protected boolean computeResult(ITerm[] terms)

Description copied from class: BooleanBuiltin

Compute the result of the comparison.

Specified by:

computeResult in class BooleanBuiltin

Parameters:

terms - The terms

Returns:

The result of the comparison.