Package org.springframework.data.expression

Interface ValueEvaluationContext

public interface ValueEvaluationContext

Expressions are executed in an evaluation context. It is in this context that references are resolved when encountered during expression evaluation.

Since:

3.3

Author:

Christoph Strobl, Mark Paluch

Method Summary

Modifier and Type	Method	Description
Environment	getEnvironment()	Returns the Environment if provided.
EvaluationContext	getEvaluationContext()	Returns the EvaluationContext if provided.
default EvaluationContext	getRequiredEvaluationContext()	Returns the required EvaluationContext or throws IllegalStateException if there is no evaluation context available.
static ValueEvaluationContext	of(Environment environment, EvaluationContext evaluationContext)	Returns a new ValueEvaluationContext.

Method Details

of

static ValueEvaluationContext of(@Nullable
 Environment environment,
 EvaluationContext evaluationContext)

Returns a new ValueEvaluationContext.

Parameters:

environment -

evaluationContext -

Returns:

a new ValueEvaluationContext for the given environment and evaluation context.

getEnvironment

@Nullable
Environment getEnvironment()

Returns the Environment if provided.

Returns:

the Environment or null.

getEvaluationContext

@Nullable
EvaluationContext getEvaluationContext()

Returns the EvaluationContext if provided.

Returns:

the EvaluationContext or null if not set.

getRequiredEvaluationContext

default EvaluationContext getRequiredEvaluationContext()

Returns the required EvaluationContext or throws IllegalStateException if there is no evaluation context available.

Returns:

the EvaluationContext.

Since:

3.4