Package org.eclipse.rdf4j.query.algebra.evaluation.util

## Class XMLDatatypeMathUtil

- java.lang.Object
- - org.eclipse.rdf4j.query.algebra.evaluation.util.XMLDatatypeMathUtil

-     public class XMLDatatypeMathUtil
      extends Object

  A utility class for evaluation of extended "mathematical" expressions on RDF literals. They do not work only on numeric literals but also on durations
  Author:
    Thomas Pellissier Tanon

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `XMLDatatypeMathUtil()` |

  - ### Method Summary

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `static Literal` | `compute​(Literal leftLit, Literal rightLit, MathExpr.MathOp op)` | Computes the result of applying the supplied math operator on the supplied left and right operand.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### XMLDatatypeMathUtil

          public XMLDatatypeMathUtil()

  - ### Method Detail

    - #### compute

          public static Literal compute​(Literal leftLit,
                                        Literal rightLit,
                                        MathExpr.MathOp op)
                                 throws ValueExprEvaluationException

      Computes the result of applying the supplied math operator on the supplied left and right operand.
      Parameters:
        `leftLit` - a datatype literal
        `rightLit` - a datatype literal
        `op` - a mathematical operator, as definied by MathExpr.MathOp.
      Returns:
        a datatype literal
      Throws:
        `ValueExprEvaluationException`