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

Author:

Julien Le Dem

Method Summary

Methods

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

getFieldPath, getIndex, getIndexFieldPath, getIndexFieldPath, getName, getParent, 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)

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