org.springframework.data.r2dbc.convert

Class MappingR2dbcConverter

java.lang.Object

org.springframework.data.relational.core.conversion.BasicRelationalConverter

org.springframework.data.r2dbc.convert.MappingR2dbcConverter

All Implemented Interfaces:

EntityReader<Object,Row>, EntityWriter<Object,OutboundRow>, R2dbcConverter, org.springframework.data.relational.core.conversion.RelationalConverter

public class MappingR2dbcConverter
extends org.springframework.data.relational.core.conversion.BasicRelationalConverter
implements R2dbcConverter

Converter for R2DBC.

Author:

Mark Paluch, Oliver Drotbohm

Constructor Summary

Constructors

Constructor and Description
MappingR2dbcConverter(MappingContext<? extends org.springframework.data.relational.core.mapping.RelationalPersistentEntity<?>,? extends org.springframework.data.relational.core.mapping.RelationalPersistentProperty> context) Creates a new MappingR2dbcConverter given MappingContext.
MappingR2dbcConverter(MappingContext<? extends org.springframework.data.relational.core.mapping.RelationalPersistentEntity<?>,? extends org.springframework.data.relational.core.mapping.RelationalPersistentProperty> context, CustomConversions conversions) Creates a new MappingR2dbcConverter given MappingContext and CustomConversions.

Method Summary

Modifier and Type	Method and Description
Object	getArrayValue(org.springframework.data.relational.core.dialect.ArrayColumns arrayColumns, org.springframework.data.relational.core.mapping.RelationalPersistentProperty property, Object value) Convert a value into an array representation according to ArrayColumns.
<T> BiFunction<Row,RowMetadata,T>	populateIdIfNecessary(T object) Returns a Function that populates the id property of the object from a Row.
<R> R	read(Class<R> type, Row row)
<R> R	read(Class<R> type, Row row, RowMetadata metadata) Reads the given source into the given type.
void	write(Object source, OutboundRow sink)

Methods inherited from class org.springframework.data.relational.core.conversion.BasicRelationalConverter

createInstance, getConversions, getConversionService, getMappingContext, getPropertyAccessor, readValue, writeValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.data.r2dbc.convert.R2dbcConverter

getConversionService, getMappingContext

Methods inherited from interface org.springframework.data.relational.core.conversion.RelationalConverter

createInstance, getPropertyAccessor, readValue, writeValue

Constructor Detail

MappingR2dbcConverter

public MappingR2dbcConverter(MappingContext<? extends org.springframework.data.relational.core.mapping.RelationalPersistentEntity<?>,? extends org.springframework.data.relational.core.mapping.RelationalPersistentProperty> context)

Creates a new MappingR2dbcConverter given MappingContext.

Parameters:

context - must not be null.

MappingR2dbcConverter

public MappingR2dbcConverter(MappingContext<? extends org.springframework.data.relational.core.mapping.RelationalPersistentEntity<?>,? extends org.springframework.data.relational.core.mapping.RelationalPersistentProperty> context,
                             CustomConversions conversions)

Creates a new MappingR2dbcConverter given MappingContext and CustomConversions.

Parameters:

context - must not be null.

Method Detail

read

public <R> R read(Class<R> type,
                  Row row)

Specified by:

read in interface EntityReader<Object,Row>

read

public <R> R read(Class<R> type,
                  Row row,
                  @Nullable
                  RowMetadata metadata)

Description copied from interface: R2dbcConverter

Reads the given source into the given type.

Specified by:

read in interface R2dbcConverter

Parameters:

type - they type to convert the given source to.

row - the source to create an object of the given type from.

metadata - the RowMetadata.

Returns:

write

public void write(Object source,
                  OutboundRow sink)

Specified by:

write in interface EntityWriter<Object,OutboundRow>

getArrayValue

public Object getArrayValue(org.springframework.data.relational.core.dialect.ArrayColumns arrayColumns,
                            org.springframework.data.relational.core.mapping.RelationalPersistentProperty property,
                            Object value)

Description copied from interface: R2dbcConverter

Convert a value into an array representation according to ArrayColumns.

Specified by:

getArrayValue in interface R2dbcConverter

Parameters:

arrayColumns - dialect-specific array handling configuration.

Returns:

populateIdIfNecessary

public <T> BiFunction<Row,RowMetadata,T> populateIdIfNecessary(T object)

Returns a Function that populates the id property of the object from a Row.

Specified by:

populateIdIfNecessary in interface R2dbcConverter

Parameters:

object - must not be null.

Returns: