org.springframework.data.mongodb.util.json

Class ParameterBindingContext

java.lang.Object

org.springframework.data.mongodb.util.json.ParameterBindingContext

public class ParameterBindingContext
extends Object

Reusable context for binding parameters to a placeholder or a SpEL expression within a JSON structure.
To be used along with ParameterBindingDocumentCodec.decode(String, ParameterBindingContext).

Since:

2.2

Author:

Christoph Strobl, Mark Paluch

Constructor Summary

Constructors

Constructor and Description
ParameterBindingContext(ValueProvider valueProvider, ExpressionParser expressionParser, Supplier<EvaluationContext> evaluationContext)
ParameterBindingContext(ValueProvider valueProvider, org.springframework.data.mapping.model.SpELExpressionEvaluator expressionEvaluator)
ParameterBindingContext(ValueProvider valueProvider, SpelExpressionParser expressionParser, EvaluationContext evaluationContext)

Method Summary

Modifier and Type	Method and Description
Object	bindableValueForIndex(int index)
Object	evaluateExpression(String expressionString)
Object	evaluateExpression(String expressionString, Map<String,Object> variables)
static ParameterBindingContext	forExpressions(ValueProvider valueProvider, ExpressionParser expressionParser, Function<org.springframework.data.spel.ExpressionDependencies,EvaluationContext> contextFunction) Create a new ParameterBindingContext that is capable of expression parsing and can provide a EvaluationContext based on ExpressionDependencies.
ValueProvider	getValueProvider()

Methods inherited from class java.lang.Object

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

Constructor Detail

ParameterBindingContext

public ParameterBindingContext(ValueProvider valueProvider,
                               SpelExpressionParser expressionParser,
                               EvaluationContext evaluationContext)

Parameters:

valueProvider -

expressionParser -

evaluationContext -

ParameterBindingContext

public ParameterBindingContext(ValueProvider valueProvider,
                               ExpressionParser expressionParser,
                               Supplier<EvaluationContext> evaluationContext)

Parameters:

valueProvider -

expressionParser -

evaluationContext - a Supplier for Lazy context retrieval.

Since:

2.2.3

ParameterBindingContext

public ParameterBindingContext(ValueProvider valueProvider,
                               org.springframework.data.mapping.model.SpELExpressionEvaluator expressionEvaluator)

Parameters:

valueProvider -

expressionEvaluator -

Since:

3.1

Method Detail

forExpressions

public static ParameterBindingContext forExpressions(ValueProvider valueProvider,
                                                     ExpressionParser expressionParser,
                                                     Function<org.springframework.data.spel.ExpressionDependencies,EvaluationContext> contextFunction)

Create a new ParameterBindingContext that is capable of expression parsing and can provide a EvaluationContext based on ExpressionDependencies.

Parameters:

valueProvider -

expressionParser -

contextFunction -

Returns:

Since:

3.1

bindableValueForIndex

@Nullable
public Object bindableValueForIndex(int index)

evaluateExpression

@Nullable
public Object evaluateExpression(String expressionString)

evaluateExpression

@Nullable
public Object evaluateExpression(String expressionString,
                                           Map<String,Object> variables)

getValueProvider

public ValueProvider getValueProvider()