org.apache.drill.exec.record

Interface ColumnConverter

All Known Implementing Classes:

AvroColumnConverterFactory.MapColumnConverter, ColumnConverter.ArrayColumnConverter, ColumnConverter.DictColumnConverter, ColumnConverter.DummyColumnConverter, ColumnConverter.MapColumnConverter, ColumnConverter.ScalarColumnConverter, MapColumnConverter

public interface ColumnConverter

Converts and sets given value into the specific column writer.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ColumnConverter.ArrayColumnConverter Converts and writes array values using ColumnConverter.ArrayColumnConverter.valueConverter into ColumnConverter.ArrayColumnConverter.arrayWriter.
static class	ColumnConverter.DictColumnConverter Converts and writes dict values using provided key / value converters.
static class	ColumnConverter.DummyColumnConverter Does nothing, is used when column is not projected to avoid unnecessary column values conversions and writes.
static class	ColumnConverter.MapColumnConverter Converts and writes all map children using provided ColumnConverter.MapColumnConverter.converters.
static class	ColumnConverter.ScalarColumnConverter Converts and writes scalar values using provided ColumnConverter.ScalarColumnConverter.valueConverter.

Method Summary

Modifier and Type	Method and Description
void	convert(Object value)

Method Detail

convert

void convert(Object value)