org.apache.arrow.dataset.jni

Class NativeRecordBatchHandle

java.lang.Object

org.apache.arrow.dataset.jni.NativeRecordBatchHandle

public class NativeRecordBatchHandle
extends Object

Hold pointers to a Arrow C++ RecordBatch.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NativeRecordBatchHandle.Buffer Pointers and metadata of the targeted Arrow buffer.
static class	NativeRecordBatchHandle.Field Field metadata.

Constructor Summary

Constructors

Constructor and Description
NativeRecordBatchHandle(long numRows, NativeRecordBatchHandle.Field[] fields, NativeRecordBatchHandle.Buffer[] buffers) Constructor.

Method Summary

Modifier and Type	Method and Description
List<NativeRecordBatchHandle.Buffer>	getBuffers() Returns the buffers.
List<NativeRecordBatchHandle.Field>	getFields() Returns Metadata of fields.
long	getNumRows() Returns the total row number of the associated RecordBatch.

Methods inherited from class java.lang.Object

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

Constructor Detail

NativeRecordBatchHandle

public NativeRecordBatchHandle(long numRows,
                               NativeRecordBatchHandle.Field[] fields,
                               NativeRecordBatchHandle.Buffer[] buffers)

Constructor.

Parameters:

numRows - Total row number of the associated RecordBatch

fields - Metadata of fields

buffers - Retained Arrow buffers

Method Detail

getNumRows

public long getNumRows()

Returns the total row number of the associated RecordBatch.

Returns:

Total row number of the associated RecordBatch.

getFields

public List<NativeRecordBatchHandle.Field> getFields()

Returns Metadata of fields.

Returns:

Metadata of fields.

getBuffers

public List<NativeRecordBatchHandle.Buffer> getBuffers()

Returns the buffers.

Returns:

Retained Arrow buffers.