Class MappingR2dbcConverter

java.lang.Object
org.springframework.data.relational.core.conversion.AbstractRelationalConverter
org.springframework.data.relational.core.conversion.MappingRelationalConverter
org.springframework.data.r2dbc.convert.MappingR2dbcConverter
All Implemented Interfaces:
Aware, ApplicationContextAware, EnvironmentCapable, EntityReader<Object,Row>, EntityWriter<Object, OutboundRow>, R2dbcConverter, org.springframework.data.relational.core.conversion.RelationalConverter
public class MappingR2dbcConverter extends org.springframework.data.relational.core.conversion.MappingRelationalConverter implements R2dbcConverter
Converter for R2DBC.
Author:
Mark Paluch, Oliver Drotbohm, Jens Schauder

  • Nested Class Summary

    Nested classes/interfaces inherited from class org.springframework.data.relational.core.conversion.MappingRelationalConverter

    org.springframework.data.relational.core.conversion.MappingRelationalConverter.AggregatePathValueProvider, org.springframework.data.relational.core.conversion.MappingRelationalConverter.ConversionContext, org.springframework.data.relational.core.conversion.MappingRelationalConverter.DefaultConversionContext, org.springframework.data.relational.core.conversion.MappingRelationalConverter.DocumentValueProvider, org.springframework.data.relational.core.conversion.MappingRelationalConverter.ProjectingConversionContext, org.springframework.data.relational.core.conversion.MappingRelationalConverter.RelationalPropertyValueProvider

  • Constructor Summary

    Constructors
    Constructor
    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
    Description
    protected List<Object>
    createCollection(Collection<?> collection, org.springframework.data.relational.core.mapping.RelationalPersistentProperty property)
    Writes the given Collection using the given RelationalPersistentProperty information.
    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.
    Class<?>
    getTargetType(Class<?> valueType)
    Return the target type for a value considering registered converters.
    boolean
    isSimpleType(Class<?> type)
    Return whether the type is a simple type.
    <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, @Nullable RowMetadata metadata)
    Reads the given source into the given type.
    org.springframework.data.relational.domain.RowDocument
    toRowDocument(Class<?> type, Readable row, @Nullable Iterable<? extends ReadableMetadata> metadata)
    Create a flat RowDocument from a single Row or Stored Procedure output.
    void
    write(Object source, OutboundRow sink)
     

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

    doReadProjection, getConversionContext, getEnvironment, getPotentiallyConvertedSimpleRead, getPotentiallyConvertedSimpleWrite, getPropertyAccessor, introspectProjection, newProjectingConversionContext, newValueProvider, project, read, read, readAggregate, readAggregate, readCollectionOrArray, readMap, readValue, setApplicationContext, unwrap, writeValue

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

    getConversions, getConversionService, getEntityInstantiators, getMappingContext

    Methods inherited from class Object

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

    Methods inherited from interface R2dbcConverter

    getConversionService

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

    getEntityInstantiators, getMappingContext, getPropertyAccessor, introspectProjection, project, read, readValue, writeValue

  • Constructor Details

    • 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 Details

    • 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:

    • toRowDocument

      public org.springframework.data.relational.domain.RowDocument toRowDocument(Class<?> type, Readable row, @Nullable Iterable<? extends ReadableMetadata> metadata)
      Description copied from interface: R2dbcConverter
      Create a flat RowDocument from a single Row or Stored Procedure output.
      Specified by:
      toRowDocument in interface R2dbcConverter
      Parameters:
      type - the underlying entity type.
      row - the row or stored procedure output to retrieve data from.
      metadata - readable metadata.
      Returns:
      the RowDocument containing the data.

    • write

      public void write(Object source, OutboundRow sink)
      Specified by:
      write in interface EntityWriter<Object, OutboundRow>

    • createCollection

      protected List<Object> createCollection(Collection<?> collection, org.springframework.data.relational.core.mapping.RelationalPersistentProperty property)
      Writes the given Collection using the given RelationalPersistentProperty information.
      Parameters:
      collection - must not be null.
      property - must not be null.
      Returns:

    • 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.
      property -
      value -
      Returns:

    • getTargetType

      public Class<?> getTargetType(Class<?> valueType)
      Description copied from interface: R2dbcConverter
      Return the target type for a value considering registered converters.
      Specified by:
      getTargetType in interface R2dbcConverter
      Parameters:
      valueType - must not be null.
      Returns:

    • isSimpleType

      public boolean isSimpleType(Class<?> type)
      Description copied from interface: R2dbcConverter
      Return whether the type is a simple type. Simple types are database primitives or types with a custom mapping strategy.
      Specified by:
      isSimpleType in interface R2dbcConverter
      Parameters:
      type - the type to inspect, must not be null.
      Returns:
      true if the type is a simple one.
      See Also:

    • 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: