Package org.springframework.data.relational.repository.query

Class ParameterMetadataProvider

java.lang.Object

org.springframework.data.relational.repository.query.ParameterMetadataProvider

All Implemented Interfaces:

Iterable<org.springframework.data.relational.repository.query.ParameterMetadata>

public class ParameterMetadataProvider
extends Object
implements Iterable<org.springframework.data.relational.repository.query.ParameterMetadata>

Helper class to allow easy creation of ParameterMetadatas.

Since:

2.0

Author:

Roman Chigvintsev, Mark Paluch

Constructor Summary

Constructors

Constructor	Description
ParameterMetadataProvider(RelationalParameterAccessor accessor)	Creates new instance of this class with the given RelationalParameterAccessor and Escaper.

Method Summary

Modifier and Type	Method	Description
Iterator<org.springframework.data.relational.repository.query.ParameterMetadata>	iterator()
org.springframework.data.relational.repository.query.ParameterMetadata	next(Part part)	Creates new instance of ParameterMetadata for the given Part and next Parameter.
protected @Nullable Object	prepareParameterValue(@Nullable Object value, Class<?> valueType, Part.Type partType)	Prepares parameter value before it's actually bound to the query.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

ParameterMetadataProvider

public ParameterMetadataProvider(RelationalParameterAccessor accessor)

Creates new instance of this class with the given RelationalParameterAccessor and Escaper.

Parameters:

accessor - relational parameter accessor (must not be null).

Method Details

iterator

public Iterator<org.springframework.data.relational.repository.query.ParameterMetadata> iterator()

Specified by:

iterator in interface Iterable<org.springframework.data.relational.repository.query.ParameterMetadata>

next

public org.springframework.data.relational.repository.query.ParameterMetadata next(Part part)

Creates new instance of ParameterMetadata for the given Part and next Parameter.

prepareParameterValue

protected @Nullable Object prepareParameterValue(@Nullable Object value,
 Class<?> valueType,
 Part.Type partType)

Prepares parameter value before it's actually bound to the query.

Parameters:

value - must not be null

Returns:

prepared query parameter value