com.klarna.hiverunner.data

Interface FileParser

All Known Implementing Classes:

TsvFileParser

public interface FileParser

A File parsing class to be used with InsertIntoTable for inserting data into a Hive table from a File.

Method Summary

Modifier and Type	Method and Description
List<String>	getColumnNames(File file) Parses the given file and returns the column names that are available in the file.
boolean	hasColumnNames() Method that checks if the parser has access to column names.
List<Object[]>	parse(File file, org.apache.hive.hcatalog.data.schema.HCatSchema schema, List<String> names) Parses the given file and returns the rows with the requested columns.

Method Detail

parse

List<Object[]> parse(File file,
                     org.apache.hive.hcatalog.data.schema.HCatSchema schema,
                     List<String> names)

Parses the given file and returns the rows with the requested columns.

Parameters:

file - The file to be parsed.

schema - The full schema of the Hive table.

names - The requested field names.

Returns:

A List of rows, each represented by an Object array.

getColumnNames

List<String> getColumnNames(File file)

Parses the given file and returns the column names that are available in the file.

Parameters:

file - The file to be parsed

Returns:

A List of column names as Strings

hasColumnNames

boolean hasColumnNames()

Method that checks if the parser has access to column names.

Returns: