Package io.micronaut.data.r2dbc.mapper

Class ColumnNameExistenceAwareR2dbcResultSetReader

java.lang.Object

io.micronaut.data.runtime.mapper.AbstractDelegatingResultReader<io.r2dbc.spi.Row,String>

io.micronaut.data.r2dbc.mapper.ColumnNameExistenceAwareR2dbcResultSetReader

All Implemented Interfaces:

ResultReader<io.r2dbc.spi.Row,String>

@Internal
public class ColumnNameExistenceAwareR2dbcResultSetReader
extends AbstractDelegatingResultReader<io.r2dbc.spi.Row,String>

The reader that will return null if the column doesn't exist in the result.

Since:

4.9

Author:

Denis Stepanov

Field Summary

Fields inherited from class io.micronaut.data.runtime.mapper.AbstractDelegatingResultReader

delegate

Constructor Summary

Constructors

Constructor	Description
ColumnNameExistenceAwareR2dbcResultSetReader()

Method Summary

Modifier and Type	Method	Description
Object	readDynamic(io.r2dbc.spi.Row row, String index, DataType dataType)	Read a value dynamically using the result set and the given name and data type.

Methods inherited from class io.micronaut.data.runtime.mapper.AbstractDelegatingResultReader

convertRequired, convertRequired, getConversionService, getRequiredValue, next, readBigDecimal, readBoolean, readByte, readBytes, readChar, readDate, readDouble, readFloat, readInt, readLong, readShort, readString, readTime, readTimestamp, readUUID

Methods inherited from class java.lang.Object

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

Constructor Details

ColumnNameExistenceAwareR2dbcResultSetReader

public ColumnNameExistenceAwareR2dbcResultSetReader()

Method Details

readDynamic

public Object readDynamic(io.r2dbc.spi.Row row,
 String index,
 DataType dataType)

Description copied from interface: ResultReader

Read a value dynamically using the result set and the given name and data type.

Specified by:

readDynamic in interface ResultReader<io.r2dbc.spi.Row,String>

Overrides:

readDynamic in class AbstractDelegatingResultReader<io.r2dbc.spi.Row,String>

Parameters:

row - The result set

index - The name

dataType - The data type

Returns:

The value, can be null