org.bytedeco.arrow_dataset

Class FunctionPartitioning

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.arrow_dataset.Partitioning

org.bytedeco.arrow_dataset.FunctionPartitioning

All Implemented Interfaces:

AutoCloseable

@Namespace(value="arrow::dataset")
 @NoOffset
 @Properties(inherit=arrow_dataset.class)
public class FunctionPartitioning
extends Partitioning

\brief Implementation provided by lambda or other callable

Nested Class Summary

Nested classes/interfaces inherited from class org.bytedeco.arrow_dataset.Partitioning

Partitioning.PartitionedBatches

Nested classes/interfaces inherited from class org.bytedeco.javacpp.Pointer

Pointer.CustomDeallocator, Pointer.Deallocator, Pointer.NativeDeallocator, Pointer.ReferenceCounter

Field Summary

Fields inherited from class org.bytedeco.javacpp.Pointer

address, capacity, limit, position

Constructor Summary

Constructors

Constructor and Description
FunctionPartitioning(Pointer p) Pointer cast constructor.
FunctionPartitioning(Schema schema, arrow_dataset.CustomOpenWithCompression parse_impl)
FunctionPartitioning(Schema schema, arrow_dataset.CustomOpenWithCompression parse_impl, arrow_dataset.CustomOpenWithCompression format_impl, BytePointer name)
FunctionPartitioning(Schema schema, arrow_dataset.CustomOpenWithCompression parse_impl, arrow_dataset.CustomOpenWithCompression format_impl, String name)

Method Summary

Modifier and Type	Method and Description
StringResult	Format(Expression expr)
ExpressionResult	Parse(BytePointer path)
ExpressionResult	Parse(String path) \brief Parse a path into a partition expression
PartitionedBatchesResult	Partition(RecordBatch batch)
String	type_name() \brief The name identifying the kind of partitioning

Methods inherited from class org.bytedeco.arrow_dataset.Partitioning

Default, schema

Methods inherited from class org.bytedeco.javacpp.Pointer

address, asBuffer, asByteBuffer, availablePhysicalBytes, calloc, capacity, capacity, close, deallocate, deallocate, deallocateReferences, deallocator, deallocator, equals, fill, formatBytes, free, getDirectBufferAddress, getPointer, getPointer, getPointer, getPointer, hashCode, interruptDeallocatorThread, isNull, isNull, limit, limit, malloc, maxBytes, maxPhysicalBytes, memchr, memcmp, memcpy, memmove, memset, offsetAddress, offsetof, offsetof, parseBytes, physicalBytes, physicalBytesInaccurate, position, position, put, realloc, referenceCount, releaseReference, retainReference, setNull, sizeof, sizeof, toString, totalBytes, totalCount, totalPhysicalBytes, withDeallocator, zero

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FunctionPartitioning

public FunctionPartitioning(Pointer p)

Pointer cast constructor. Invokes Pointer(Pointer).

FunctionPartitioning

public FunctionPartitioning(@SharedPtr @ByVal
                            Schema schema,
                            @ByVal @Cast(value="arrow::dataset::FunctionPartitioning::ParseImpl*")
                            arrow_dataset.CustomOpenWithCompression parse_impl,
                            @ByVal(nullValue="arrow::dataset::FunctionPartitioning::FormatImpl(nullptr)") @Cast(value="arrow::dataset::FunctionPartitioning::FormatImpl*")
                            arrow_dataset.CustomOpenWithCompression format_impl,
                            @StdString
                            String name)

FunctionPartitioning

public FunctionPartitioning(@SharedPtr @ByVal
                            Schema schema,
                            @ByVal @Cast(value="arrow::dataset::FunctionPartitioning::ParseImpl*")
                            arrow_dataset.CustomOpenWithCompression parse_impl)

FunctionPartitioning

public FunctionPartitioning(@SharedPtr @ByVal
                            Schema schema,
                            @ByVal @Cast(value="arrow::dataset::FunctionPartitioning::ParseImpl*")
                            arrow_dataset.CustomOpenWithCompression parse_impl,
                            @ByVal(nullValue="arrow::dataset::FunctionPartitioning::FormatImpl(nullptr)") @Cast(value="arrow::dataset::FunctionPartitioning::FormatImpl*")
                            arrow_dataset.CustomOpenWithCompression format_impl,
                            @StdString
                            BytePointer name)

Method Detail

type_name

@StdString
public String type_name()

Description copied from class: Partitioning

\brief The name identifying the kind of partitioning

Overrides:

type_name in class Partitioning

Parse

@ByVal
public ExpressionResult Parse(@StdString
                                      String path)

Description copied from class: Partitioning

\brief Parse a path into a partition expression

Overrides:

Parse in class Partitioning

Parse

@ByVal
public ExpressionResult Parse(@StdString
                                      BytePointer path)

Overrides:

Parse in class Partitioning

Format

@ByVal
public StringResult Format(@Const @ByRef
                                   Expression expr)

Overrides:

Format in class Partitioning

Partition

@ByVal
public PartitionedBatchesResult Partition(@SharedPtr @Cast(value={"","std::shared_ptr<arrow::RecordBatch>"})
                                                  RecordBatch batch)

Overrides:

Partition in class Partitioning