Package io.deephaven.parquet.base.materializers

Class StringPageMaterializerFactory

java.lang.Object

io.deephaven.parquet.base.materializers.StringPageMaterializerFactory

All Implemented Interfaces:

PageMaterializerFactory

public class StringPageMaterializerFactory
extends Object
implements PageMaterializerFactory

Builds String materializers, reading PLAIN-encoded BINARY pages with its own ValuesReader rather than parquet's. The page reader offers a page to this type only when the page is one that reader can consume.

Field Summary

Fields inherited from interface io.deephaven.parquet.base.PageMaterializerFactory

NULL_FACTORY

Constructor Summary

Constructors

Constructor	Description
StringPageMaterializerFactory()

Method Summary

Modifier and Type	Method	Description
PageMaterializer	makeMaterializerNonNull(org.apache.parquet.column.values.ValuesReader dataReader, int numValues)
PageMaterializer	makeMaterializerWithNulls(org.apache.parquet.column.values.ValuesReader dataReader, Object nullValue, int numValues)
org.apache.parquet.column.values.ValuesReader	makePlainBinaryValuesReader(ByteBuffer in)

Methods inherited from class java.lang.Object

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

Constructor Details

StringPageMaterializerFactory

public StringPageMaterializerFactory()

Method Details

makeMaterializerWithNulls

public PageMaterializer makeMaterializerWithNulls(org.apache.parquet.column.values.ValuesReader dataReader,
 Object nullValue,
 int numValues)

Specified by:

makeMaterializerWithNulls in interface PageMaterializerFactory

makeMaterializerNonNull

public PageMaterializer makeMaterializerNonNull(org.apache.parquet.column.values.ValuesReader dataReader,
 int numValues)

Specified by:

makeMaterializerNonNull in interface PageMaterializerFactory

makePlainBinaryValuesReader

public org.apache.parquet.column.values.ValuesReader makePlainBinaryValuesReader(ByteBuffer in)

Parameters:

in - a heap-backed page buffer, positioned past the repetition and definition levels