parquet.io.api

Class RecordMaterializer<T>

java.lang.Object

parquet.io.api.RecordMaterializer<T>

Type Parameters:

T - the materialized object class

Direct Known Subclasses:

DummyRecordConverter, GroupRecordConverter

public abstract class RecordMaterializer<T>
extends Object

Top-level class which should be implemented in order to materialize objects from a stream of Parquet data. Each record will be wrapped by GroupConverter.start() and GroupConverter.end(), between which the appropriate fields will be materialized.

Author:

Julien Le Dem

Constructor Summary

Constructors

Constructor and Description
RecordMaterializer()

Method Summary

Methods

Modifier and Type	Method and Description
abstract T	getCurrentRecord()
abstract GroupConverter	getRootConverter()

Methods inherited from class java.lang.Object

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

Constructor Detail

RecordMaterializer

public RecordMaterializer()

Method Detail

getCurrentRecord

public abstract T getCurrentRecord()

Returns:

the result of the conversion

getRootConverter

public abstract GroupConverter getRootConverter()

Returns:

the root converter for this tree