Package io.micronaut.data.runtime.mapper

Class DTOMapper<T,S,R>

java.lang.Object

io.micronaut.data.runtime.mapper.DTOMapper<T,S,R>

Type Parameters:

T - The entity type

S - The source type.

R - The result type

All Implemented Interfaces:

BeanIntrospectionMapper<S,R>, TypeMapper<S,R>

Direct Known Subclasses:

SqlDTOMapper

public class DTOMapper<T,S,R>
extends Object
implements BeanIntrospectionMapper<S,R>

A BeanIntrospectionMapper that reads the result using the specified PersistentEntity and ResultReader and using the BeanIntrospectionMapper.map(Object, Class) allows mapping a result to a introspected Data Transfer Object (DTO).

Constructor Summary

Constructors

Constructor	Description
DTOMapper(RuntimePersistentEntity<T> persistentEntity, RuntimePersistentEntity<?> dtoEntity, ResultReader<S,String> resultReader, @Nullable JsonColumnReader<S> jsonColumnReader, DataConversionService conversionService)	Default constructor.
DTOMapper(RuntimePersistentEntity<T> persistentEntity, ResultReader<S,String> resultReader, @Nullable JsonColumnReader<S> jsonColumnReader, DataConversionService conversionService)	Default constructor.
DTOMapper(RuntimePersistentEntity<T> persistentEntity, ResultReader<S,String> resultReader, DataConversionService conversionService)	Default constructor.

Method Summary

Modifier and Type	Method	Description
DataConversionService	getConversionService()
PersistentEntity	getPersistentEntity()
ResultReader<S,String>	getResultReader()
@Nullable Object	read(S object, @NonNull io.micronaut.core.type.Argument<?> argument)	Read a value for the given name from the given object.
@Nullable Object	read(S resultSet, @NonNull RuntimePersistentProperty<?> property)	Read the given property.
@Nullable Object	read(S object, @NonNull String name)	Read a value for the given name from the given object.
@Nullable Object	read(S resultSet, @NonNull String persistedName, @NonNull DataType dataType)	Read the value from the given result set for the given persisted name and data type.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.micronaut.data.runtime.mapper.BeanIntrospectionMapper

convert, map

Constructor Details

DTOMapper

public DTOMapper(RuntimePersistentEntity<T> persistentEntity,
 ResultReader<S,String> resultReader,
 DataConversionService conversionService)

Default constructor.

Parameters:

persistentEntity - The entity

resultReader - The result reader

conversionService -

DTOMapper

public DTOMapper(RuntimePersistentEntity<T> persistentEntity,
 ResultReader<S,String> resultReader,
 @Nullable
 @Nullable JsonColumnReader<S> jsonColumnReader,
 DataConversionService conversionService)

Default constructor.

Parameters:

persistentEntity - The entity

resultReader - The result reader

jsonColumnReader - The JSON column reader

conversionService -

DTOMapper

public DTOMapper(RuntimePersistentEntity<T> persistentEntity,
 RuntimePersistentEntity<?> dtoEntity,
 ResultReader<S,String> resultReader,
 @Nullable
 @Nullable JsonColumnReader<S> jsonColumnReader,
 DataConversionService conversionService)

Default constructor.

Parameters:

persistentEntity - The entity

dtoEntity - The dto entity

resultReader - The result reader

jsonColumnReader - The JSON column reader

conversionService -

Method Details

getConversionService

public DataConversionService getConversionService()

Specified by:

getConversionService in interface TypeMapper<T,S>

Returns:

The conversion service to use.

read

@Nullable
public @Nullable Object read(@NonNull
 S object,
 @NonNull
 @NonNull String name)
                      throws io.micronaut.core.convert.exceptions.ConversionErrorException

Description copied from interface: TypeMapper

Read a value for the given name from the given object.

Specified by:

read in interface TypeMapper<T,S>

Parameters:

object - The object to read from

name - The name

Returns:

The value

Throws:

io.micronaut.core.convert.exceptions.ConversionErrorException

read

@Nullable
public @Nullable Object read(@NonNull
 S object,
 @NonNull
 @NonNull io.micronaut.core.type.Argument<?> argument)

Description copied from interface: TypeMapper

Read a value for the given name from the given object.

Specified by:

read in interface TypeMapper<T,S>

Parameters:

object - The object to read from

argument - The argument

Returns:

The value

read

@Nullable
public @Nullable Object read(@NonNull
 S resultSet,
 @NonNull
 @NonNull RuntimePersistentProperty<?> property)

Read the given property.

Parameters:

resultSet - The result set

property - THe property

Returns:

The result

read

@Nullable
public @Nullable Object read(@NonNull
 S resultSet,
 @NonNull
 @NonNull String persistedName,
 @NonNull
 @NonNull DataType dataType)

Read the value from the given result set for the given persisted name and data type.

Parameters:

resultSet - The result set

persistedName - The persisted name

dataType - The data type

Returns:

The result

getPersistentEntity

public PersistentEntity getPersistentEntity()

Returns:

The entity in use

getResultReader

public ResultReader<S,String> getResultReader()

Returns:

the result reader