Package io.trino.hive.formats.line

Interface LineDeserializer

All Known Implementing Classes:

CsvDeserializer, JsonDeserializer, OpenXJsonDeserializer, RegexDeserializer, SimpleDeserializer

public interface LineDeserializer

Field Summary

Fields

Modifier and Type	Field	Description
static final LineDeserializer	EMPTY_LINE_DESERIALIZER

Method Summary

Modifier and Type	Method	Description
void	deserialize(LineBuffer lineBuffer, PageBuilder builder)	Deserialize the line into the page builder.
List<? extends Type>	getTypes()	Required types for the deserialize page builder.

Field Details

EMPTY_LINE_DESERIALIZER

static final LineDeserializer EMPTY_LINE_DESERIALIZER

Method Details

getTypes

List<? extends Type> getTypes()

Required types for the deserialize page builder.

deserialize

void deserialize(LineBuffer lineBuffer,
 PageBuilder builder)
          throws IOException

Deserialize the line into the page builder. The implementation will declare the added positions in the page builder. The implementation is allowed to add zero or more positions to the builder.

Parameters:

lineBuffer - the line which may be empty

builder - page builder for the declared types

Throws:

IOException - if line can not be decoded and processing should stop

RuntimeException - if line can not be decoded and processing should stop