Package org.jaxen.expr

Class DefaultPredicate

  • All Implemented Interfaces:
    java.io.Serializable, Predicate
    class DefaultPredicate
extends java.lang.Object
implements Predicate

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.Object evaluate​(Context context)
      Evaluates this predicate's expression and returns the result.
      Expr getExpr()
      Returns the expression in this predicate.
      java.lang.String getText()
      Returns the string form of the predicate, including the square brackets.
      void setExpr​(Expr expr)
      Change the expression used by this predicate.
      void simplify()
      Simplify the expression in this predicate.
      java.lang.String toString()  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • DefaultPredicate

        DefaultPredicate​(Expr expr)

    • Method Detail

      • getExpr

        public Expr getExpr()
        Description copied from interface: Predicate
        Returns the expression in this predicate.
        Specified by:
        getExpr in interface Predicate
        Returns:
        the expression between the brackets

      • setExpr

        public void setExpr​(Expr expr)
        Description copied from interface: Predicate
        Change the expression used by this predicate.
        Specified by:
        setExpr in interface Predicate
        Parameters:
        expr - the new expression

      • getText

        public java.lang.String getText()
        Description copied from interface: Predicate
        Returns the string form of the predicate, including the square brackets.
        Specified by:
        getText in interface Predicate
        Returns:
        the bracketed form of this predicate

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • evaluate

        public java.lang.Object evaluate​(Context context)
                          throws JaxenException
        Description copied from interface: Predicate
        Evaluates this predicate's expression and returns the result. The result will be a java.lang.Double for expressions that return a number, a java.lang.String for expressions that return a string, a java.lang.Boolean for expressions that return a boolean, and a java.util.List for expressions that return a node-set. In the latter case, the elements of the list are the actual objects from the source document model. Copies are not made.
        Specified by:
        evaluate in interface Predicate
        Parameters:
        context - the context in which the expression is evaluated
        Returns:
        an object representing the result of the evaluation
        Throws:
        JaxenException
        See Also:
        Expr.evaluate(Context)