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

Class OrcFlowFileWriter.DoubleTreeWriter

java.lang.Object

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

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

Enclosing class:

OrcFlowFileWriter

private static class OrcFlowFileWriter.DoubleTreeWriter
extends OrcFlowFileWriter.TreeWriter

Field Summary

Fields

Modifier and Type	Field and Description
private org.apache.hadoop.hive.ql.io.orc.PositionedOutputStream	stream
private org.apache.hadoop.hive.ql.io.orc.SerializationUtils	utils

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
DoubleTreeWriter(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) 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, getEncoding, 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

utils

private final org.apache.hadoop.hive.ql.io.orc.SerializationUtils utils

Constructor Detail

DoubleTreeWriter

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

Throws:

IOException

Method Detail

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