org.bytedeco.arrow

Class Listener

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.arrow.Listener

All Implemented Interfaces:

AutoCloseable

Direct Known Subclasses:

CollectListener

@Namespace(value="arrow::ipc")
 @Properties(inherit=arrow.class)
public class Listener
extends Pointer

\brief A general listener class to receive events. You must implement callback methods for interested events. This API is EXPERIMENTAL.

Since:

0.17.0

Nested Class Summary

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
Listener() Default native constructor.
Listener(long size) Native array allocator.
Listener(Pointer p) Pointer cast constructor.

Method Summary

Modifier and Type	Method and Description
Listener	getPointer(long i)
Status	OnEOS() \brief Called when end-of-stream is received.
Status	OnRecordBatchDecoded(RecordBatch record_batch) \brief Called when a record batch is decoded.
Status	OnSchemaDecoded(Schema schema) \brief Called when a schema is decoded.
Listener	position(long position)

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, getPointer, getPointer, getPointer, hashCode, isNull, isNull, limit, limit, malloc, maxBytes, maxPhysicalBytes, memchr, memcmp, memcpy, memmove, memset, offsetof, offsetof, parseBytes, physicalBytes, 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

Listener

public Listener()

Default native constructor.

Listener

public Listener(long size)

Native array allocator. Access with Pointer.position(long).

Listener

public Listener(Pointer p)

Pointer cast constructor. Invokes Pointer(Pointer).

Method Detail

position

public Listener position(long position)

Overrides:

position in class Pointer

getPointer

public Listener getPointer(long i)

Overrides:

getPointer in class Pointer

OnEOS

@ByVal
public Status OnEOS()

\brief Called when end-of-stream is received. The default implementation just returns arrow::Status::OK().

Returns:

Status

See Also:

StreamDecoder

OnRecordBatchDecoded

@ByVal
public Status OnRecordBatchDecoded(@SharedPtr @Cast(value={"","std::shared_ptr<arrow::RecordBatch>"})
                                           RecordBatch record_batch)

\brief Called when a record batch is decoded. The default implementation just returns arrow::Status::NotImplemented().

Parameters:

record_batch - [in] a record batch decoded

Returns:

Status

See Also:

StreamDecoder

OnSchemaDecoded

@ByVal
public Status OnSchemaDecoded(@SharedPtr @ByVal
                                      Schema schema)

\brief Called when a schema is decoded. The default implementation just returns arrow::Status::OK().

Parameters:

schema - [in] a schema decoded

Returns:

Status

See Also:

StreamDecoder