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.

Constructor Summary

Constructors

Constructor and Description
SqlResultEntityTypeMapper(RuntimePersistentEntity<R> entity, ResultReader<RS,java.lang.String> resultReader, io.micronaut.http.codec.MediaTypeCodec jsonCodec) Default constructor.
SqlResultEntityTypeMapper(RuntimePersistentEntity<R> entity, ResultReader<RS,java.lang.String> resultReader, java.util.Set<JoinPath> joinPaths, io.micronaut.http.codec.MediaTypeCodec jsonCodec) 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) Default constructor.

Method Summary

Modifier and Type	Method and Description
RuntimePersistentEntity<R>	getEntity()
ResultReader<RS,java.lang.String>	getResultReader()
boolean	hasNext(RS resultSet) Is another result available.
R	map(RS object, java.lang.Class<R> type) Map the given result set to the given object.
java.lang.Object	read(RS resultSet, java.lang.String name) Read a value for the given name from the given object.

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.TypeMapper

getConversionService

Constructor Detail

SqlResultEntityTypeMapper

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

Default constructor.

Parameters:

entity - The entity

resultReader - The result reader

jsonCodec - The json codec

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)

Default constructor.

Parameters:

prefix - The prefix to startup from.

entity - The entity

resultReader - The result reader

jsonCodec - The JSON codec

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)

Constructor used to customize the join paths.

Parameters:

entity - The entity

resultReader - The result reader

joinPaths - The join paths

jsonCodec - The JSON codec

Method Detail

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 object,
                      @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:

object - 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

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