org.apache.iceberg.arrow.vectorized

Class BaseBatchReader<T>

java.lang.Object

org.apache.iceberg.arrow.vectorized.BaseBatchReader<T>

All Implemented Interfaces:

org.apache.iceberg.parquet.VectorizedReader<T>

public abstract class BaseBatchReader<T>
extends java.lang.Object
implements org.apache.iceberg.parquet.VectorizedReader<T>

A base BatchReader class that contains common functionality

Field Summary

Fields

Modifier and Type	Field and Description
protected VectorizedArrowReader[]	readers
protected VectorHolder[]	vectorHolders

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BaseBatchReader(java.util.List<org.apache.iceberg.parquet.VectorizedReader<?>> readers)

Method Summary

Modifier and Type	Method and Description
void	close()
protected void	closeVectors()
void	setBatchSize(int batchSize)
void	setRowGroupInfo(org.apache.parquet.column.page.PageReadStore pageStore, java.util.Map<org.apache.parquet.hadoop.metadata.ColumnPath,org.apache.parquet.hadoop.metadata.ColumnChunkMetaData> metaData, long rowPosition)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.iceberg.parquet.VectorizedReader

read

Field Detail

readers

protected final VectorizedArrowReader[] readers

vectorHolders

protected final VectorHolder[] vectorHolders

Constructor Detail

BaseBatchReader

protected BaseBatchReader(java.util.List<org.apache.iceberg.parquet.VectorizedReader<?>> readers)

Method Detail

setRowGroupInfo

public void setRowGroupInfo(org.apache.parquet.column.page.PageReadStore pageStore,
                            java.util.Map<org.apache.parquet.hadoop.metadata.ColumnPath,org.apache.parquet.hadoop.metadata.ColumnChunkMetaData> metaData,
                            long rowPosition)

Specified by:

setRowGroupInfo in interface org.apache.iceberg.parquet.VectorizedReader<T>

closeVectors

protected void closeVectors()

close

public void close()

Specified by:

close in interface org.apache.iceberg.parquet.VectorizedReader<T>

setBatchSize

public void setBatchSize(int batchSize)

Specified by:

setBatchSize in interface org.apache.iceberg.parquet.VectorizedReader<T>