org.apache.hadoop.hive.ql.io.orc

Class OrcFlowFileWriter.BinaryTreeWriter

java.lang.Object

org.apache.hadoop.hive.ql.io.orc.OrcFlowFileWriter.TreeWriter

org.apache.hadoop.hive.ql.io.orc.OrcFlowFileWriter.BinaryTreeWriter

Enclosing class:

OrcFlowFileWriter

private static class OrcFlowFileWriter.BinaryTreeWriter
extends OrcFlowFileWriter.TreeWriter

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	isDirectV2
private org.apache.hadoop.hive.ql.io.orc.IntegerWriter	length
private org.apache.hadoop.hive.ql.io.orc.PositionedOutputStream	stream

Fields inherited from class org.apache.hadoop.hive.ql.io.orc.OrcFlowFileWriter.TreeWriter

bloomFilter, childrenWriters, createBloomFilter, id, indexStatistics, inspector, rowIndexPosition, stripeColStatistics

Constructor Summary

Constructors

Constructor and Description
BinaryTreeWriter(int columnId, org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector inspector, OrcFlowFileWriter.StreamFactory writer, boolean nullable)

Method Summary

Modifier and Type	Method and Description
(package private) org.apache.hadoop.hive.ql.io.orc.OrcProto.ColumnEncoding	getEncoding() Get the encoding for this column.
(package private) void	recordPosition(org.apache.hadoop.hive.ql.io.orc.PositionRecorder recorder) Record the current position in each of this column's streams.
(package private) void	write(Object obj) Add a new value to the column.
(package private) void	writeStripe(org.apache.hadoop.hive.ql.io.orc.OrcProto.StripeFooter.Builder builder, int requiredIndexEntries) Write the stripe out to the file.

Methods inherited from class org.apache.hadoop.hive.ql.io.orc.OrcFlowFileWriter.TreeWriter

addBloomFilterEntry, createIntegerWriter, createRowIndexEntry, estimateMemory, getChildrenWriters, getFileStatistics, getRowIndex, getRowIndexEntry, getStripeStatistics, isNewWriteFormat, writeBatch, writeRootBatch

Methods inherited from class java.lang.Object

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

Field Detail

stream

private final org.apache.hadoop.hive.ql.io.orc.PositionedOutputStream stream

length

private final org.apache.hadoop.hive.ql.io.orc.IntegerWriter length

isDirectV2

private boolean isDirectV2

Constructor Detail

BinaryTreeWriter

BinaryTreeWriter(int columnId,
                 org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector inspector,
                 OrcFlowFileWriter.StreamFactory writer,
                 boolean nullable)
          throws IOException

Throws:

IOException

Method Detail

getEncoding

org.apache.hadoop.hive.ql.io.orc.OrcProto.ColumnEncoding getEncoding()

Description copied from class: OrcFlowFileWriter.TreeWriter

Get the encoding for this column.

Overrides:

getEncoding in class OrcFlowFileWriter.TreeWriter

Returns:

the information about the encoding of this column

write

void write(Object obj)
    throws IOException

Description copied from class: OrcFlowFileWriter.TreeWriter

Add a new value to the column.

Overrides:

write in class OrcFlowFileWriter.TreeWriter

Parameters:

obj - The value to write to the column

Throws:

IOException - if an error occurs during add

writeStripe

void writeStripe(org.apache.hadoop.hive.ql.io.orc.OrcProto.StripeFooter.Builder builder,
                 int requiredIndexEntries)
          throws IOException

Description copied from class: OrcFlowFileWriter.TreeWriter

Write the stripe out to the file.

Overrides:

writeStripe in class OrcFlowFileWriter.TreeWriter

Parameters:

builder - the stripe footer that contains the information about the layout of the stripe. The TreeWriter is required to update the footer with its information.

requiredIndexEntries - the number of index entries that are required. this is to check to make sure the row index is well formed.

Throws:

IOException - if an error occurs during write

recordPosition

void recordPosition(org.apache.hadoop.hive.ql.io.orc.PositionRecorder recorder)
             throws IOException

Description copied from class: OrcFlowFileWriter.TreeWriter

Record the current position in each of this column's streams.

Overrides:

recordPosition in class OrcFlowFileWriter.TreeWriter

Parameters:

recorder - where should the locations be recorded

Throws:

IOException - if an error occurs during position recording