Uses of Interface
org.apache.arrow.vector.dictionary.DictionaryProvider

Packages that use DictionaryProvider

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

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

Classes in org.apache.arrow.vector.dictionary that implement DictionaryProvider

Modifier and Type	Class and Description
static class	DictionaryProvider.MapDictionaryProvider

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

Classes in org.apache.arrow.vector.ipc that implement DictionaryProvider

Modifier and Type	Class and Description
class	ArrowFileReader
class	ArrowReader Abstract class to read Schema and ArrowRecordBatches.
class	ArrowStreamReader This classes reads from an input stream and produces ArrowRecordBatches.
class	JsonFileReader

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

Modifier and Type	Method and Description
void	JsonFileWriter.start(Schema schema, DictionaryProvider provider)

Constructors in org.apache.arrow.vector.ipc with parameters of type DictionaryProvider

Constructor and Description
ArrowFileWriter(VectorSchemaRoot root, DictionaryProvider provider, WritableByteChannel out)
ArrowStreamWriter(VectorSchemaRoot root, DictionaryProvider provider, OutputStream out)
ArrowStreamWriter(VectorSchemaRoot root, DictionaryProvider provider, WritableByteChannel out)
ArrowWriter(VectorSchemaRoot root, DictionaryProvider provider, WritableByteChannel out) Note: fields are not closed when the writer is closed

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

Methods in org.apache.arrow.vector.util with parameters of type DictionaryProvider

Modifier and Type	Method and Description
static void	Validator.compareDictionaries(List<DictionaryEncoding> encodings1, List<DictionaryEncoding> encodings2, DictionaryProvider provider1, DictionaryProvider provider2) Validate two Dictionary encodings and dictionaries with id's from the encodings
static Field	DictionaryUtility.toMessageFormat(Field field, DictionaryProvider provider, Set<Long> dictionaryIdsUsed) Convert field and child fields that have a dictionary encoding to message format, so fields have the dictionary type NOTE: in the message format, fields have the dictionary type in the memory format, they have the index type