Expression (The ZKoss Common Library 10.3.0.1 API)

All Known Subinterfaces:

ExpressionX

All Known Implementing Classes:

ELXelExpression
```
public interface Expression
```
Represent a prepared (a.k.a., compiled) expression. It can be retrieved by use of ExpressionFactory.

Since:

3.0.0

Author:

tomyeh

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  java.lang.Object evaluate(XelContext ctx)
  Evaluates an expression that was previously prepared.

- Method Detail
  - evaluate
```
java.lang.Object evaluate(XelContext ctx)
                   throws XelException
```
    Evaluates an expression that was previously prepared.
    
    Throws:
    
    XelException