Package io.micronaut.data.runtime.mapper.sql

Class JsonQueryResultMapper<T,RS,R>

java.lang.Object

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

Type Parameters:

T - The entity type

RS - The result set type

R - The result type

All Implemented Interfaces:

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

public class JsonQueryResultMapper<T,RS,R>
extends Object
implements SqlTypeMapper<RS,R>

The JSON query result mapper. Transforms result from single column with JSON value into the given entity.

Since:

4.0.0.

Constructor Summary

Constructors

Constructor

Description

JsonQueryResultMapper(@NonNull String columnName, @NonNull io.micronaut.data.model.JsonDataType jsonDataType, @NonNull io.micronaut.data.model.runtime.RuntimePersistentEntity<T> entity, @NonNull ResultReader<RS,String> resultReader, @NonNull SqlJsonColumnReader<RS> sqlJsonColumnReader, @Nullable BiFunction<io.micronaut.data.model.runtime.RuntimePersistentEntity<Object>,Object,Object> eventListener)

Method Summary

Modifier and Type	Method	Description
boolean	hasNext(RS resultSet)	Is another result available.
R	map(RS rs, Class<R> type)	Map the given result set to the given object.
Object	read(RS object, 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, read

Constructor Details

JsonQueryResultMapper

public JsonQueryResultMapper(@NonNull
 @NonNull String columnName,
 @NonNull
 @NonNull io.micronaut.data.model.JsonDataType jsonDataType,
 @NonNull
 @NonNull io.micronaut.data.model.runtime.RuntimePersistentEntity<T> entity,
 @NonNull
 @NonNull ResultReader<RS,String> resultReader,
 @NonNull
 @NonNull SqlJsonColumnReader<RS> sqlJsonColumnReader,
 @Nullable
 @Nullable BiFunction<io.micronaut.data.model.runtime.RuntimePersistentEntity<Object>,Object,Object> eventListener)

Method Details

map

public R map(RS rs,
 Class<R> type)
      throws io.micronaut.data.exceptions.DataAccessException

Description copied from interface: TypeMapper

Map the given result set to the given object.

Specified by:

map in interface TypeMapper<T,RS>

Parameters:

rs - The object to map

type - The type

Returns:

The mapped object

Throws:

io.micronaut.data.exceptions.DataAccessException - If the object cannot be mapped.

read

public Object read(RS object,
 String name)

Description copied from interface: TypeMapper

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

Specified by:

read in interface TypeMapper<T,RS>

Parameters:

object - 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<T,RS>

Parameters:

resultSet - The result set

Returns:

True if it is