Package org.springframework.data.repository.query

Class SpelEvaluator

java.lang.Object

org.springframework.data.repository.query.SpelEvaluator

public class SpelEvaluator
extends Object

Evaluates SpEL expressions as extracted by the SpelQueryContext.SpelExtractor based on parameter information from a method and parameter values from a method call.

Since:

2.1

Author:

Jens Schauder, Gerrit Meier, Oliver Gierke

See Also:

• SpelQueryContext.parse(String)

Constructor Summary

Constructors

Constructor	Description
SpelEvaluator(QueryMethodEvaluationContextProvider evaluationContextProvider, Parameters<?,?> parameters, SpelQueryContext.SpelExtractor extractor)

Method Summary

Modifier and Type	Method	Description
Map<String,Object>	evaluate(Object[] values)	Evaluate all the SpEL expressions in SpelQueryContext.SpelExtractor based on values provided as an argument.
String	getQueryString()	Returns the query string produced by the intermediate SpEL expression collection step.

Methods inherited from class java.lang.Object

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

Constructor Details

SpelEvaluator

public SpelEvaluator(QueryMethodEvaluationContextProvider evaluationContextProvider,
 Parameters<?,?> parameters,
 SpelQueryContext.SpelExtractor extractor)

Method Details

evaluate

public Map<String,Object> evaluate(Object[] values)

Evaluate all the SpEL expressions in SpelQueryContext.SpelExtractor based on values provided as an argument.

Parameters:

values - Parameter values. Must not be null.

Returns:

a map from parameter name to evaluated value. Guaranteed to be not null.

getQueryString

public String getQueryString()

Returns the query string produced by the intermediate SpEL expression collection step.

Returns: