Module spring.data.jpa

Package org.springframework.data.jpa.repository.query

Class ParameterMetadataProvider

java.lang.Object

org.springframework.data.jpa.repository.query.ParameterMetadataProvider

public class ParameterMetadataProvider
extends Object

Helper class to allow easy creation of ParameterMetadataProvider.ParameterMetadatas.

Author:

Oliver Gierke, Thomas Darimont, Mark Paluch, Christoph Strobl, Jens Schauder, Andrey Kovalev, Yuriy Tsarkov, Donghun Shin, Greg Turnquist

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ParameterMetadataProvider.ParameterMetadata<T>

Constructor Summary

Constructors

Constructor	Description
ParameterMetadataProvider(jakarta.persistence.criteria.CriteriaBuilder builder, Parameters<?,?> parameters, EscapeCharacter escape)	Creates a new ParameterMetadataProvider from the given CriteriaBuilder and Parameters with support for parameter value customizations via PersistenceProvider.
ParameterMetadataProvider(jakarta.persistence.criteria.CriteriaBuilder builder, ParametersParameterAccessor accessor, EscapeCharacter escape)	Creates a new ParameterMetadataProvider from the given CriteriaBuilder and ParametersParameterAccessor.

Method Summary

Modifier and Type	Method	Description
List<ParameterMetadataProvider.ParameterMetadata<?>>	getExpressions()	Returns all ParameterMetadataProvider.ParameterMetadatas built.
<T> ParameterMetadataProvider.ParameterMetadata<T>	next(Part part)	Builds a new ParameterMetadataProvider.ParameterMetadata for given Part and the next Parameter.
<T> ParameterMetadataProvider.ParameterMetadata<? extends T>	next(Part part, Class<T> type)	Builds a new ParameterMetadataProvider.ParameterMetadata of the given Part and type.

Methods inherited from class java.lang.Object

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

Constructor Details

ParameterMetadataProvider

public ParameterMetadataProvider(jakarta.persistence.criteria.CriteriaBuilder builder,
 ParametersParameterAccessor accessor,
 EscapeCharacter escape)

Creates a new ParameterMetadataProvider from the given CriteriaBuilder and ParametersParameterAccessor.

Parameters:

builder - must not be null.

accessor - must not be null.

escape - must not be null.

ParameterMetadataProvider

public ParameterMetadataProvider(jakarta.persistence.criteria.CriteriaBuilder builder,
 Parameters<?,?> parameters,
 EscapeCharacter escape)

Creates a new ParameterMetadataProvider from the given CriteriaBuilder and Parameters with support for parameter value customizations via PersistenceProvider.

Parameters:

builder - must not be null.

parameters - must not be null.

escape - must not be null.

Method Details

getExpressions

public List<ParameterMetadataProvider.ParameterMetadata<?>> getExpressions()

Returns all ParameterMetadataProvider.ParameterMetadatas built.

Returns:

the expressions

next

public <T>
ParameterMetadataProvider.ParameterMetadata<T> next(Part part)

Builds a new ParameterMetadataProvider.ParameterMetadata for given Part and the next Parameter.

next

public <T>
ParameterMetadataProvider.ParameterMetadata<? extends T> next(Part part,
 Class<T> type)

Builds a new ParameterMetadataProvider.ParameterMetadata of the given Part and type. Forwards the underlying Parameters as well.

Type Parameters:

T - is the type parameter of the returned ParameterMetadataProvider.ParameterMetadata.

Parameters:

type - must not be null.

Returns:

ParameterMetadata for the next parameter.