Uses of Class
org.apache.arrow.vector.dictionary.Dictionary

Packages that use Dictionary

Package	Description
org.apache.arrow.vector.dictionary
org.apache.arrow.vector.ipc
org.apache.arrow.vector.util

Uses of Dictionary in org.apache.arrow.vector.dictionary

Methods in org.apache.arrow.vector.dictionary that return Dictionary

Modifier and Type	Method and Description
Dictionary	DictionaryProvider.lookup(long id) Return the dictionary for the given ID.
Dictionary	DictionaryProvider.MapDictionaryProvider.lookup(long id)

Methods in org.apache.arrow.vector.dictionary with parameters of type Dictionary

Modifier and Type	Method and Description
static ValueVector	DictionaryEncoder.decode(ValueVector indices, Dictionary dictionary) Decodes a dictionary encoded array using the provided dictionary.
static ValueVector	DictionaryEncoder.decode(ValueVector indices, Dictionary dictionary, BufferAllocator allocator) Decodes a dictionary encoded array using the provided dictionary.
static BaseListVector	ListSubfieldEncoder.decodeListSubField(BaseListVector vector, Dictionary dictionary, BufferAllocator allocator) Decodes a dictionary subfields encoded vector using the provided dictionary.
static ValueVector	DictionaryEncoder.encode(ValueVector vector, Dictionary dictionary) Dictionary encodes a vector with a provided dictionary.
void	DictionaryProvider.MapDictionaryProvider.put(Dictionary dictionary)

Constructors in org.apache.arrow.vector.dictionary with parameters of type Dictionary

Constructor and Description
DictionaryEncoder(Dictionary dictionary, BufferAllocator allocator) Construct an instance.
DictionaryEncoder(Dictionary dictionary, BufferAllocator allocator, ArrowBufHasher hasher) Construct an instance.
ListSubfieldEncoder(Dictionary dictionary, BufferAllocator allocator)
ListSubfieldEncoder(Dictionary dictionary, BufferAllocator allocator, ArrowBufHasher hasher) Construct an instance.
MapDictionaryProvider(Dictionary... dictionaries) Constructs a new instance from the given dictionaries.

Uses of Dictionary in org.apache.arrow.vector.ipc

Fields in org.apache.arrow.vector.ipc with type parameters of type Dictionary

Modifier and Type	Field and Description
protected Map<Long,Dictionary>	ArrowReader.dictionaries

Methods in org.apache.arrow.vector.ipc that return Dictionary

Modifier and Type	Method and Description
Dictionary	JsonFileReader.lookup(long id)
Dictionary	ArrowReader.lookup(long id) Lookup a dictionary that has been loaded using the dictionary id.

Methods in org.apache.arrow.vector.ipc that return types with arguments of type Dictionary

Modifier and Type	Method and Description
Map<Long,Dictionary>	ArrowReader.getDictionaryVectors() Returns any dictionaries that were loaded along with ArrowRecordBatches.

Methods in org.apache.arrow.vector.ipc with parameters of type Dictionary

Modifier and Type	Method and Description
protected void	ArrowWriter.writeDictionaryBatch(Dictionary dictionary)

Uses of Dictionary in org.apache.arrow.vector.util

Method parameters in org.apache.arrow.vector.util with type arguments of type Dictionary

Modifier and Type	Method and Description
static Field	DictionaryUtility.toMemoryFormat(Field field, BufferAllocator allocator, Map<Long,Dictionary> dictionaries) Convert field and child fields that have a dictionary encoding to memory format, so fields have the index type.