com.facebook.presto.hive.parquet

Class HdfsParquetDataSource

java.lang.Object

com.facebook.presto.hive.parquet.HdfsParquetDataSource

All Implemented Interfaces:

ParquetDataSource, Closeable, AutoCloseable

public class HdfsParquetDataSource
extends Object
implements ParquetDataSource

Constructor Summary

Constructors

Constructor and Description
HdfsParquetDataSource(org.apache.hadoop.fs.Path path, long size, org.apache.hadoop.fs.FSDataInputStream inputStream)

Method Summary

Modifier and Type	Method and Description
static HdfsParquetDataSource	buildHdfsParquetDataSource(org.apache.hadoop.fs.FileSystem fileSystem, org.apache.hadoop.fs.Path path, long start, long length, long fileSize)
void	close()
long	getReadBytes()
long	getSize()
void	readFully(long position, byte[] buffer)
void	readFully(long position, byte[] buffer, int bufferOffset, int bufferLength)

Methods inherited from class java.lang.Object

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

Constructor Detail

HdfsParquetDataSource

public HdfsParquetDataSource(org.apache.hadoop.fs.Path path,
                             long size,
                             org.apache.hadoop.fs.FSDataInputStream inputStream)

Method Detail

getReadBytes

public final long getReadBytes()

Specified by:

getReadBytes in interface ParquetDataSource

getSize

public final long getSize()

Specified by:

getSize in interface ParquetDataSource

close

public void close()
           throws IOException

Specified by:

close in interface ParquetDataSource

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

readFully

public final void readFully(long position,
                            byte[] buffer)
                     throws IOException

Specified by:

readFully in interface ParquetDataSource

Throws:

IOException

readFully

public final void readFully(long position,
                            byte[] buffer,
                            int bufferOffset,
                            int bufferLength)
                     throws IOException

Specified by:

readFully in interface ParquetDataSource

Throws:

IOException

buildHdfsParquetDataSource

public static HdfsParquetDataSource buildHdfsParquetDataSource(org.apache.hadoop.fs.FileSystem fileSystem,
                                                               org.apache.hadoop.fs.Path path,
                                                               long start,
                                                               long length,
                                                               long fileSize)