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 java.lang.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 and Description
DTOMapper(RuntimePersistentEntity<T> persistentEntity, ResultReader<S,java.lang.String> resultReader) Default constructor.
DTOMapper(RuntimePersistentEntity<T> persistentEntity, ResultReader<S,java.lang.String> resultReader, io.micronaut.http.codec.MediaTypeCodec jsonCodec) Default constructor.

Method Summary

Modifier and Type	Method and Description
PersistentEntity	getPersistentEntity()
ResultReader<S,java.lang.String>	getResultReader()
java.lang.Object	read(S object, io.micronaut.core.type.Argument<?> argument) Read a value for the given name from the given object.
java.lang.Object	read(S resultSet, RuntimePersistentProperty<T> property) Read the given property.
java.lang.Object	read(S object, java.lang.String name) Read a value for the given name from the given object.
java.lang.Object	read(S resultSet, java.lang.String persistedName, 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

map

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

getConversionService

Constructor Detail

DTOMapper

public DTOMapper(RuntimePersistentEntity<T> persistentEntity,
                 ResultReader<S,java.lang.String> resultReader)

Default constructor.

Parameters:

persistentEntity - The entity

resultReader - The result reader

DTOMapper

public DTOMapper(RuntimePersistentEntity<T> persistentEntity,
                 ResultReader<S,java.lang.String> resultReader,
                 @Nullable
                 io.micronaut.http.codec.MediaTypeCodec jsonCodec)

Default constructor.

Parameters:

persistentEntity - The entity

resultReader - The result reader

jsonCodec - The JSON codec

Method Detail

read

@Nullable
public java.lang.Object read(@NonNull
                                       S object,
                                       @NonNull
                                       java.lang.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<S,R>

Parameters:

object - The object to read from

name - The name

Returns:

The value

Throws:

io.micronaut.core.convert.exceptions.ConversionErrorException

read

@Nullable
public java.lang.Object read(@NonNull
                                       S object,
                                       @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<S,R>

Parameters:

object - The object to read from

argument - The argument

Returns:

The value

read

@Nullable
public java.lang.Object read(@NonNull
                                       S resultSet,
                                       @NonNull
                                       RuntimePersistentProperty<T> property)

Read the given property.

Parameters:

resultSet - The result set

property - THe property

Returns:

The result

read

@Nullable
public java.lang.Object read(@NonNull
                                       S resultSet,
                                       @NonNull
                                       java.lang.String persistedName,
                                       @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,java.lang.String> getResultReader()

Returns:

the result reader