Package io.micronaut.data.runtime.operations.internal.sql

Class SqlJsonColumnMapperProvider<S>

java.lang.Object

io.micronaut.data.runtime.operations.internal.sql.SqlJsonColumnMapperProvider<S>

Type Parameters:

S - the reader result set type

@Internal
@Singleton
public final class SqlJsonColumnMapperProvider<S>
extends Object

The provider for SqlJsonValueMapper when JSON columns are being written using SqlStoredQuery and for SqlJsonColumnReader when JSON columns are being read from SqlPreparedQuery results.

Since:

4.0.0

Author:

radovanradic

Constructor Summary

Constructors

Constructor	Description
SqlJsonColumnMapperProvider(@Nullable io.micronaut.json.JsonMapper jsonMapper, List<SqlJsonColumnReader<S>> sqlJsonColumnReaders, List<SqlJsonValueMapper> sqlJsonValueMappers)	Default constructor.

Method Summary

Modifier and Type	Method	Description
SqlJsonColumnReader<S>	getJsonColumnReader(SqlStoredQuery<?,?> sqlStoredQuery, Class<S> resultSetType)	Provides SqlJsonColumnReader for given SQL prepared query.
SqlJsonValueMapper	getJsonValueMapper(SqlStoredQuery<?,?> sqlStoredQuery, JsonDataType jsonDataType, Object value)	Provides SqlJsonValueMapper for given SQL stored query.

Methods inherited from class java.lang.Object

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

Constructor Details

SqlJsonColumnMapperProvider

public SqlJsonColumnMapperProvider(@Nullable
 @Nullable io.micronaut.json.JsonMapper jsonMapper,
 List<SqlJsonColumnReader<S>> sqlJsonColumnReaders,
 List<SqlJsonValueMapper> sqlJsonValueMappers)

Default constructor.

Parameters:

jsonMapper - the default JSON mapper

sqlJsonColumnReaders - list of custom SQL JSON column readers

sqlJsonValueMappers - list of custom SQL JSON value mappers

Method Details

getJsonColumnReader

public SqlJsonColumnReader<S> getJsonColumnReader(SqlStoredQuery<?,?> sqlStoredQuery,
 Class<S> resultSetType)

Provides SqlJsonColumnReader for given SQL prepared query. If there is specific SqlJsonColumnReader that supports given prepared query and result set type then it will be returned. Otherwise, it will return default SqlJsonColumnReader.

Parameters:

sqlStoredQuery - the SQL stored query

resultSetType - the result set type (for R2Dbc and Jdbc it is different for example)

Returns:

the SqlJsonColumnReader for given SQL prepared query, or default SqlJsonColumnReader if prepared query does not have specific one that it supports

getJsonValueMapper

public SqlJsonValueMapper getJsonValueMapper(SqlStoredQuery<?,?> sqlStoredQuery,
 JsonDataType jsonDataType,
 Object value)

Provides SqlJsonValueMapper for given SQL stored query. If there is specific SqlJsonValueMapper that supports given stored query then it will be returned. Otherwise, it will return default SqlJsonValueMapper.

Parameters:

sqlStoredQuery - the SQL stored query

jsonDataType - the JSON representation type

value - the value to be mapped

Returns:

the SqlJsonValueMapper for given SQL stored query, or default SqlJsonValueMapper if stored query does not have specific one that it supports