Package com.aspectran.core.context.expr

Class ExpressionEvaluation

java.lang.Object

com.aspectran.core.context.expr.ExpressionEvaluation

All Implemented Interfaces:

ExpressionEvaluator

Direct Known Subclasses:

BooleanExpression

public class ExpressionEvaluation
extends 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(String expression)

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Details

ExpressionEvaluation

public ExpressionEvaluation(String expression)
                     throws ExpressionParserException

Throws:

ExpressionParserException

Method Details

getExpression

public String getExpression()

getTokens

public Token[] getTokens()

evaluate

public <V> V evaluate(Activity activity,
 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,
 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.