Class ExpressionUtils

java.lang.Object

org.springframework.data.mongodb.util.spel.ExpressionUtils

public final class ExpressionUtils
extends Object

Internal utility class for dealing with Expression and potential ones.

Since:

3.3

Author:

Christoph Strobl

Constructor Summary

Constructors

Constructor	Description
ExpressionUtils()

Method Summary

Modifier and Type	Method	Description
static @Nullable Expression	detectExpression(@Nullable String potentialExpression)	Returns a SpEL Expression if the given String is actually an expression that does not evaluate to a LiteralExpression (indicating that no subsequent evaluation is necessary).
static @Nullable Object	evaluate(String value, Supplier<EvaluationContext> evaluationContext)

Methods inherited from class Object

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

Constructor Details

ExpressionUtils

public ExpressionUtils()

Method Details

detectExpression

public static @Nullable Expression detectExpression(@Nullable String potentialExpression)

Returns a SpEL Expression if the given String is actually an expression that does not evaluate to a LiteralExpression (indicating that no subsequent evaluation is necessary).

Parameters:

potentialExpression - can be null

Returns:

can be null.

evaluate

public static @Nullable Object evaluate(String value,
 Supplier<EvaluationContext> evaluationContext)