ExpressionEvaluation (Aspectran API Reference (7.0.7))

java.lang.Object
- com.aspectran.core.context.expr.ExpressionEvaluation

All Implemented Interfaces:

ExpressionEvaluator

Direct Known Subclasses:

BooleanExpression
```
public class ExpressionEvaluation
extends java.lang.Object
implements ExpressionEvaluator
```
ExpressionEvaluator implementation that evaluates expressions written in OGNL-based Aspectran expression language.
Created: 2021/01/31

Since:

6.11.0

Constructor Summary

Constructors
Constructor Description

ExpressionEvaluation(java.lang.String expression)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<V> V`	`evaluate(Activity activity, java.lang.Class<V> resultType)`	Evaluates an expression.
`<V> V`	`evaluate(TokenEvaluator tokenEvaluator, java.lang.Class<V> resultType)`	Evaluates an expression.
`java.lang.String`	`getExpression()`
`Token[]`	`getTokens()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ExpressionEvaluation
```
public ExpressionEvaluation(java.lang.String expression)
                     throws ExpressionParserException
```
    Throws:
    
    ExpressionParserException
- Method Detail
  - getExpression
```
public java.lang.String getExpression()
```
  - getTokens
```
public Token[] getTokens()
```
  - evaluate
```
public <V> V evaluate(Activity activity,
                      java.lang.Class<V> resultType)
```
    Description copied from interface: ExpressionEvaluator
    
    Evaluates an expression.
    
    Specified by:
    
    evaluate in interface ExpressionEvaluator
    
    Type Parameters:
    
    V - the type of the result
    
    Parameters:
    
    activity - the aspectran activity
    
    resultType - the expected type of the result of the evaluation
    
    Returns:
    
    the result of the expression evaluation
  - evaluate
```
public <V> V evaluate(TokenEvaluator tokenEvaluator,
                      java.lang.Class<V> resultType)
```
    Description copied from interface: ExpressionEvaluator
    
    Evaluates an expression.
    
    Specified by:
    
    evaluate in interface ExpressionEvaluator
    
    Type Parameters:
    
    V - the type of the result
    
    Parameters:
    
    tokenEvaluator - the token evaluator
    
    resultType - the expected type of the result of the evaluation
    
    Returns:
    
    the result of the expression evaluation.