io.micronaut.data.runtime.mapper.sql

Class SqlResultEntityTypeMapper<RS,R>

java.lang.Object

io.micronaut.data.runtime.mapper.sql.SqlResultEntityTypeMapper<RS,R>

Type Parameters:

RS - The result set type

R - The result type

All Implemented Interfaces:

SqlTypeMapper<RS,R>, TypeMapper<RS,R>

@Internal
public final class SqlResultEntityTypeMapper<RS,R>
extends java.lang.Object
implements SqlTypeMapper<RS,R>

A TypeMapper that can take a RuntimePersistentEntity and a ResultReader and materialize an instance using using column naming conventions mapped by the entity.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	SqlResultEntityTypeMapper.PushingMapper<RS,R> The pushing mapper helper interface.

Constructor Summary

Constructors

Constructor and Description
SqlResultEntityTypeMapper(RuntimePersistentEntity<R> entity, ResultReader<RS,java.lang.String> resultReader, java.util.Set<JoinPath> joinPaths, io.micronaut.http.codec.MediaTypeCodec jsonCodec, java.util.function.BiFunction<RuntimePersistentEntity<java.lang.Object>,java.lang.Object,java.lang.Object> loadListener, DataConversionService<?> conversionService) Constructor used to customize the join paths.
SqlResultEntityTypeMapper(RuntimePersistentEntity<R> entity, ResultReader<RS,java.lang.String> resultReader, java.util.Set<JoinPath> joinPaths, io.micronaut.http.codec.MediaTypeCodec jsonCodec, DataConversionService<?> conversionService) Constructor used to customize the join paths.
SqlResultEntityTypeMapper(java.lang.String prefix, RuntimePersistentEntity<R> entity, ResultReader<RS,java.lang.String> resultReader, io.micronaut.http.codec.MediaTypeCodec jsonCodec, DataConversionService<?> conversionService) Default constructor.

Method Summary

Modifier and Type	Method and Description
DataConversionService<?>	getConversionService()
RuntimePersistentEntity<R>	getEntity()
RuntimePersistentEntity<R>	getPersistentEntity()
ResultReader<RS,java.lang.String>	getResultReader()
boolean	hasNext(RS resultSet) Is another result available.
R	map(RS rs, java.lang.Class<R> type) Map the given result set to the given object.
java.lang.Object	read(RS resultSet, io.micronaut.core.type.Argument<?> argument) Read a value for the given name from the given object.
java.lang.Object	read(RS resultSet, java.lang.String name) Read a value for the given name from the given object.
SqlResultEntityTypeMapper.PushingMapper<RS,java.util.List<R>>	readAllWithJoins() Read multiple entities with a pushing mapper.
SqlResultEntityTypeMapper.PushingMapper<RS,R>	readOneWithJoins() Read one entity with a pushing mapper.

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlResultEntityTypeMapper

public SqlResultEntityTypeMapper(java.lang.String prefix,
                                 @NonNull
                                 RuntimePersistentEntity<R> entity,
                                 @NonNull
                                 ResultReader<RS,java.lang.String> resultReader,
                                 @Nullable
                                 io.micronaut.http.codec.MediaTypeCodec jsonCodec,
                                 DataConversionService<?> conversionService)

Default constructor.

Parameters:

prefix - The prefix to startup from.

entity - The entity

resultReader - The result reader

jsonCodec - The JSON codec

conversionService - The conversion service

SqlResultEntityTypeMapper

public SqlResultEntityTypeMapper(@NonNull
                                 RuntimePersistentEntity<R> entity,
                                 @NonNull
                                 ResultReader<RS,java.lang.String> resultReader,
                                 @Nullable
                                 java.util.Set<JoinPath> joinPaths,
                                 @Nullable
                                 io.micronaut.http.codec.MediaTypeCodec jsonCodec,
                                 DataConversionService<?> conversionService)

Constructor used to customize the join paths.

Parameters:

entity - The entity

resultReader - The result reader

joinPaths - The join paths

jsonCodec - The JSON codec

conversionService - The conversion service

SqlResultEntityTypeMapper

public SqlResultEntityTypeMapper(@NonNull
                                 RuntimePersistentEntity<R> entity,
                                 @NonNull
                                 ResultReader<RS,java.lang.String> resultReader,
                                 @Nullable
                                 java.util.Set<JoinPath> joinPaths,
                                 @Nullable
                                 io.micronaut.http.codec.MediaTypeCodec jsonCodec,
                                 @Nullable
                                 java.util.function.BiFunction<RuntimePersistentEntity<java.lang.Object>,java.lang.Object,java.lang.Object> loadListener,
                                 DataConversionService<?> conversionService)

Constructor used to customize the join paths.

Parameters:

entity - The entity

resultReader - The result reader

joinPaths - The join paths

jsonCodec - The JSON codec

loadListener - The event listener

conversionService - The conversion service

Method Detail

getConversionService

public DataConversionService<?> getConversionService()

Specified by:

getConversionService in interface TypeMapper<RS,R>

Returns:

The conversion service to use.

getEntity

@NonNull
public RuntimePersistentEntity<R> getEntity()

Returns:

The entity to be materialized

getResultReader

@NonNull
public ResultReader<RS,java.lang.String> getResultReader()

Returns:

The result reader instance.

map

@NonNull
public R map(@NonNull
                      RS rs,
                      @NonNull
                      java.lang.Class<R> type)
               throws DataAccessException

Description copied from interface: TypeMapper

Map the given result set to the given object.

Specified by:

map in interface TypeMapper<RS,R>

Parameters:

rs - The object to map

type - The type

Returns:

The mapped object

Throws:

DataAccessException - If the object cannot be mapped.

read

@Nullable
public java.lang.Object read(@NonNull
                                       RS resultSet,
                                       @NonNull
                                       java.lang.String name)

Description copied from interface: TypeMapper

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

Specified by:

read in interface TypeMapper<RS,R>

Parameters:

resultSet - The object to read from

name - The name

Returns:

The value

read

@Nullable
public java.lang.Object read(@NonNull
                                       RS resultSet,
                                       @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<RS,R>

Parameters:

resultSet - The object to read from

argument - The argument

Returns:

The value

hasNext

public boolean hasNext(RS resultSet)

Description copied from interface: SqlTypeMapper

Is another result available.

Specified by:

hasNext in interface SqlTypeMapper<RS,R>

Parameters:

resultSet - The result set

Returns:

True if it is

readOneWithJoins

public SqlResultEntityTypeMapper.PushingMapper<RS,R> readOneWithJoins()

Read one entity with a pushing mapper.

Returns:

The pushing mapper

readAllWithJoins

public SqlResultEntityTypeMapper.PushingMapper<RS,java.util.List<R>> readAllWithJoins()

Read multiple entities with a pushing mapper.

Returns:

The pushing mapper

getPersistentEntity

public RuntimePersistentEntity<R> getPersistentEntity()