Class ColumnNameExistenceAwareResultSetReader

java.lang.Object

io.micronaut.data.runtime.mapper.AbstractDelegatingResultReader<ResultSet, String>

io.micronaut.data.jdbc.mapper.ColumnNameExistenceAwareResultSetReader

All Implemented Interfaces:

ResultReader<ResultSet, String>

@Internal
public class ColumnNameExistenceAwareResultSetReader
extends AbstractDelegatingResultReader<ResultSet, 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 AbstractDelegatingResultReader

delegate

Constructor Summary

Constructors

Constructor	Description
ColumnNameExistenceAwareResultSetReader()

Method Summary

Modifier and Type	Method	Description
@Nullable Object	readDynamic(ResultSet resultSet, String index, DataType dataType)	Read a value dynamically using the result set and the given name and data type.

Methods inherited from class AbstractDelegatingResultReader

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

Methods inherited from class Object

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

Constructor Details

ColumnNameExistenceAwareResultSetReader

public ColumnNameExistenceAwareResultSetReader()

Method Details

readDynamic

public @Nullable Object readDynamic(ResultSet resultSet,
 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<ResultSet, String>

Overrides:

readDynamic in class AbstractDelegatingResultReader<ResultSet, String>

Parameters:

resultSet - The result set

index - The name

dataType - The data type

Returns:

The value, can be null