Package org.apache.parquet.column.values.dictionary

Class DictionaryValuesWriter.PlainFixedLenArrayDictionaryValuesWriter

java.lang.Object

org.apache.parquet.column.values.ValuesWriter

org.apache.parquet.column.values.dictionary.DictionaryValuesWriter

org.apache.parquet.column.values.dictionary.DictionaryValuesWriter.PlainBinaryDictionaryValuesWriter

org.apache.parquet.column.values.dictionary.DictionaryValuesWriter.PlainFixedLenArrayDictionaryValuesWriter

All Implemented Interfaces:

RequiresFallback

Enclosing class:

DictionaryValuesWriter

public static class DictionaryValuesWriter.PlainFixedLenArrayDictionaryValuesWriter
extends DictionaryValuesWriter.PlainBinaryDictionaryValuesWriter

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.parquet.column.values.dictionary.DictionaryValuesWriter

DictionaryValuesWriter.PlainBinaryDictionaryValuesWriter, DictionaryValuesWriter.PlainDoubleDictionaryValuesWriter, DictionaryValuesWriter.PlainFixedLenArrayDictionaryValuesWriter, DictionaryValuesWriter.PlainFloatDictionaryValuesWriter, DictionaryValuesWriter.PlainIntegerDictionaryValuesWriter, DictionaryValuesWriter.PlainLongDictionaryValuesWriter

Field Summary

Fields inherited from class org.apache.parquet.column.values.dictionary.DictionaryValuesWriter.PlainBinaryDictionaryValuesWriter

binaryDictionaryContent

Fields inherited from class org.apache.parquet.column.values.dictionary.DictionaryValuesWriter

allocator, dictionaryByteSize, dictionaryTooBig, encodedValues, encodingForDictionaryPage, firstPage, lastUsedDictionaryByteSize, lastUsedDictionarySize, maxDictionaryByteSize

Constructor Summary

Constructors

Constructor	Description
PlainFixedLenArrayDictionaryValuesWriter(int maxDictionaryByteSize, int length, Encoding encodingForDataPage, Encoding encodingForDictionaryPage, org.apache.parquet.bytes.ByteBufferAllocator allocator)

Method Summary

Modifier and Type	Method	Description
DictionaryPage	toDictPageAndClose()	Returns the dictionary generated by this writer if one was created.
void	writeBytes(Binary value)

Methods inherited from class org.apache.parquet.column.values.dictionary.DictionaryValuesWriter.PlainBinaryDictionaryValuesWriter

clearDictionaryContent, fallBackDictionaryEncodedData, getDictionarySize

Methods inherited from class org.apache.parquet.column.values.dictionary.DictionaryValuesWriter

close, dictPage, fallBackAllValuesTo, getAllocatedSize, getBufferedSize, getBytes, getEncoding, isCompressionSatisfying, memUsageString, reset, resetDictionary, shouldFallBack

Methods inherited from class org.apache.parquet.column.values.ValuesWriter

writeBoolean, writeByte, writeDouble, writeFloat, writeInteger, writeLong

Methods inherited from class java.lang.Object

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

Constructor Detail

PlainFixedLenArrayDictionaryValuesWriter

public PlainFixedLenArrayDictionaryValuesWriter(int maxDictionaryByteSize,
                                                int length,
                                                Encoding encodingForDataPage,
                                                Encoding encodingForDictionaryPage,
                                                org.apache.parquet.bytes.ByteBufferAllocator allocator)

Method Detail

writeBytes

public void writeBytes(Binary value)

Overrides:

writeBytes in class DictionaryValuesWriter.PlainBinaryDictionaryValuesWriter

Parameters:

value - the value to encode

toDictPageAndClose

public DictionaryPage toDictPageAndClose()

Description copied from class: ValuesWriter

Returns the dictionary generated by this writer if one was created. As part of this operation the dictionary is closed and will not have any new values written into it.

Overrides:

toDictPageAndClose in class DictionaryValuesWriter.PlainBinaryDictionaryValuesWriter

Returns:

the dictionary page or null if not dictionary based