org.jaxen.expr
Class DefaultPlusExpr

java.lang.Object
  extended by org.jaxen.expr.DefaultExpr
      extended by org.jaxen.expr.DefaultBinaryExpr
          extended by org.jaxen.expr.DefaultArithExpr
              extended by org.jaxen.expr.DefaultAdditiveExpr
                  extended by org.jaxen.expr.DefaultPlusExpr
All Implemented Interfaces:
java.io.Serializable, AdditiveExpr, BinaryExpr, Expr

 class DefaultPlusExpr
extends DefaultAdditiveExpr


Field Summary
private static long serialVersionUID
           
 
Constructor Summary
DefaultPlusExpr(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

DefaultPlusExpr

DefaultPlusExpr(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