Package org.apache.parquet.hadoop.util

Class ColumnMasker

java.lang.Object

org.apache.parquet.hadoop.util.ColumnMasker

public class ColumnMasker
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ColumnMasker.MaskMode

Constructor Summary

Constructors

Constructor	Description
ColumnMasker()

Method Summary

Modifier and Type	Method	Description
static Set<org.apache.parquet.hadoop.metadata.ColumnPath>	convertToColumnPaths(List<String> cols)
void	processBlocks(CompressionConverter.TransParquetFileReader reader, ParquetFileWriter writer, ParquetMetadata meta, MessageType schema, List<String> paths, ColumnMasker.MaskMode maskMode)

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnMasker

public ColumnMasker()

Method Detail

processBlocks

public void processBlocks(CompressionConverter.TransParquetFileReader reader,
                          ParquetFileWriter writer,
                          ParquetMetadata meta,
                          MessageType schema,
                          List<String> paths,
                          ColumnMasker.MaskMode maskMode)
                   throws IOException

Parameters:

reader - Reader of source file

writer - Writer of destination file

meta - Metadata of source file

schema - Schema of source file

paths - Column Paths need to be masked

maskMode - Mode to mask

Throws:

IOException

convertToColumnPaths

public static Set<org.apache.parquet.hadoop.metadata.ColumnPath> convertToColumnPaths(List<String> cols)