org.jaxen.expr
Class DefaultMinusExpr

java.lang.Object
  org.jaxen.expr.DefaultExpr
      org.jaxen.expr.DefaultBinaryExpr
          org.jaxen.expr.DefaultArithExpr
              org.jaxen.expr.DefaultAdditiveExpr
                  org.jaxen.expr.DefaultMinusExpr

All Implemented Interfaces:

java.io.Serializable, AdditiveExpr, BinaryExpr, Expr

 class DefaultMinusExpr
extends DefaultAdditiveExpr

Field Summary

private static long

serialVersionUID

Constructor Summary

DefaultMinusExpr(Expr lhs, Expr rhs)

Method Summary

java.lang.Object	evaluate(Context context) Evaluate the expression in the given context, and return the result.
java.lang.String	getOperator() Returns the operator for the binary expression such as "+" or "div".

Methods inherited from class org.jaxen.expr.DefaultAdditiveExpr

toString

Methods inherited from class org.jaxen.expr.DefaultBinaryExpr

getLHS, getRHS, getText, setLHS, setRHS, simplify

Methods inherited from class org.jaxen.expr.DefaultExpr

convertToIterator, convertToList

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jaxen.expr.BinaryExpr

getLHS, getRHS

Methods inherited from interface org.jaxen.expr.Expr

getText, simplify

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

Constructor Detail

DefaultMinusExpr

DefaultMinusExpr(Expr lhs,
                 Expr rhs)

Method Detail

getOperator

public java.lang.String getOperator()

Description copied from interface: BinaryExpr

Returns the operator for the binary expression such as "+" or "div".

Specified by:

getOperator in interface BinaryExpr

Specified by:

getOperator in class DefaultBinaryExpr

Returns:

the operator for the expression

evaluate

public java.lang.Object evaluate(Context context)
                          throws JaxenException

Description copied from interface: Expr

Evaluate the expression in the given context, and return 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.

Parameters:

context - the context in which the expression is evaluated

Returns:

an object representing the result of the evaluation

Throws:

JaxenException