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org.apache.lens.lib.query
Interface FileFormatter

All Known Implementing Classes:

AbstractFileFormatter, HadoopFileFormatter, ZipFileFormatter

public interface FileFormatter

File formatter interface which is wrapped in WrappedFileFormatter.

Method Summary

String	getEncoding() Get the result encoding, if any
org.apache.hadoop.fs.Path	getTmpPath() Get the temporary path of the result, if any
void	setupOutputs() Setup outputs for file formatter.
void	writeFooter(String footer) Write the footer passed.
void	writeHeader(String header) Write the header passed.
void	writeRow(String row) Write the row passed.

Method Detail

setupOutputs

void setupOutputs()
                  throws IOException

Setup outputs for file formatter.

Throws:

IOException - Signals that an I/O exception has occurred.

writeHeader

void writeHeader(String header)
                 throws IOException

Write the header passed.

Parameters:

header - the header

Throws:

IOException - Signals that an I/O exception has occurred.

writeFooter

void writeFooter(String footer)
                 throws IOException

Write the footer passed.

Parameters:

footer - the footer

Throws:

IOException - Signals that an I/O exception has occurred.

writeRow

void writeRow(String row)
              throws IOException

Write the row passed.

Parameters:

row - the row

Throws:

IOException - Signals that an I/O exception has occurred.

getTmpPath

org.apache.hadoop.fs.Path getTmpPath()

Get the temporary path of the result, if any

Returns:

getEncoding

String getEncoding()

Get the result encoding, if any

Returns: