org.apache.parquet.io

Class MessageColumnIO

java.lang.Object

org.apache.parquet.io.ColumnIO

org.apache.parquet.io.GroupColumnIO

org.apache.parquet.io.MessageColumnIO

public class MessageColumnIO
extends GroupColumnIO

Message level of the IO structure

Method Summary

Modifier and Type	Method and Description
List<String[]>	getColumnNames()
List<PrimitiveColumnIO>	getLeaves()
<T> RecordReader<T>	getRecordReader(PageReadStore columns, RecordMaterializer<T> recordMaterializer)
<T> RecordReader<T>	getRecordReader(PageReadStore columns, RecordMaterializer<T> recordMaterializer, FilterCompat.Filter filter)
<T> RecordReader<T>	getRecordReader(PageReadStore columns, RecordMaterializer<T> recordMaterializer, UnboundRecordFilter filter) Deprecated. use getRecordReader(PageReadStore, RecordMaterializer, Filter)
RecordConsumer	getRecordWriter(ColumnWriteStore columns)
MessageType	getType()

Methods inherited from class org.apache.parquet.io.GroupColumnIO

getChild, getChild, getChildrenCount

Methods inherited from class org.apache.parquet.io.ColumnIO

getDefinitionLevel, getFieldPath, getFieldPath, getIndex, getIndexFieldPath, getIndexFieldPath, getName, getParent, getRepetitionLevel, toString

Methods inherited from class java.lang.Object

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

Method Detail

getColumnNames

public List<String[]> getColumnNames()

getRecordReader

public <T> RecordReader<T> getRecordReader(PageReadStore columns,
                                           RecordMaterializer<T> recordMaterializer)

getRecordReader

@Deprecated
public <T> RecordReader<T> getRecordReader(PageReadStore columns,
                                                       RecordMaterializer<T> recordMaterializer,
                                                       UnboundRecordFilter filter)

Deprecated. use getRecordReader(PageReadStore, RecordMaterializer, Filter)

Type Parameters:

T - the type of records returned by the reader

Parameters:

columns - a page read store with the column data

recordMaterializer - a record materializer

filter - a record filter

Returns:

a record reader

getRecordReader

public <T> RecordReader<T> getRecordReader(PageReadStore columns,
                                           RecordMaterializer<T> recordMaterializer,
                                           FilterCompat.Filter filter)

getRecordWriter

public RecordConsumer getRecordWriter(ColumnWriteStore columns)

getLeaves

public List<PrimitiveColumnIO> getLeaves()

getType

public MessageType getType()

Overrides:

getType in class ColumnIO