Package io.micronaut.data.runtime.mapper

Interface JsonColumnReader<S>

Type Parameters:

S - the result set type

All Known Subinterfaces:

SqlJsonColumnReader<S>

public interface JsonColumnReader<S>

The wrapper around JsonMapper to read JSON values from the result set.

Since:

4.0.0

Author:

radovanradic

Field Summary

Fields

Modifier and Type	Field	Description
static final String	NULL_VALUE	JSON string null value.

Method Summary

Modifier and Type	Method	Description
@NonNull io.micronaut.json.JsonMapper	getJsonMapper()
default <T> T	readJsonColumn(ResultReader<S,String> resultReader, S resultSet, String columnName, JsonDataType jsonDataType, io.micronaut.core.type.Argument<T> argument)	Reads JSON column from the result set and returns as expected type.

Field Details

NULL_VALUE

static final String NULL_VALUE

JSON string null value.

See Also:

• Constant Field Values

Method Details

readJsonColumn

default <T> T readJsonColumn(ResultReader<S,String> resultReader,
 S resultSet,
 String columnName,
 JsonDataType jsonDataType,
 io.micronaut.core.type.Argument<T> argument)

Reads JSON column from the result set and returns as expected type.

Type Parameters:

T - the result type

Parameters:

resultReader - the result reader

resultSet - the result set

columnName - the column name

jsonDataType - the JSON type

argument - the result type argument

Returns:

object of type T read from JSON column

getJsonMapper

@NonNull
@NonNull io.micronaut.json.JsonMapper getJsonMapper()

Returns:

the json mapper