org.apache.flink.table.runtime.arrow.writers

Class ArrayWriter<T>

java.lang.Object

org.apache.flink.table.runtime.arrow.writers.ArrowFieldWriter<T>

org.apache.flink.table.runtime.arrow.writers.ArrayWriter<T>

Direct Known Subclasses:

ArrayWriter.ArrayWriterForArray, ArrayWriter.ArrayWriterForRow

@Internal
public abstract class ArrayWriter<T>
extends ArrowFieldWriter<T>

ArrowFieldWriter for Array.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ArrayWriter.ArrayWriterForArray ArrayWriter for ArrayData input.
static class	ArrayWriter.ArrayWriterForRow ArrayWriter for RowData input.

Method Summary

Modifier and Type	Method and Description
void	doWrite(T in, int ordinal) Sets the field value as the field at the specified ordinal of the specified row.
void	finish() Finishes the writing of the current row batch.
static ArrayWriter<ArrayData>	forArray(org.apache.arrow.vector.complex.ListVector listVector, ArrowFieldWriter<ArrayData> elementWriter)
static ArrayWriter<RowData>	forRow(org.apache.arrow.vector.complex.ListVector listVector, ArrowFieldWriter<ArrayData> elementWriter)
void	reset() Resets the state of the writer to write the next batch of fields.

Methods inherited from class org.apache.flink.table.runtime.arrow.writers.ArrowFieldWriter

getCount, getValueVector, write

Methods inherited from class java.lang.Object

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

Method Detail

forRow

public static ArrayWriter<RowData> forRow(org.apache.arrow.vector.complex.ListVector listVector,
                                          ArrowFieldWriter<ArrayData> elementWriter)

forArray

public static ArrayWriter<ArrayData> forArray(org.apache.arrow.vector.complex.ListVector listVector,
                                              ArrowFieldWriter<ArrayData> elementWriter)

doWrite

public void doWrite(T in,
                    int ordinal)

Description copied from class: ArrowFieldWriter

Sets the field value as the field at the specified ordinal of the specified row.

Specified by:

doWrite in class ArrowFieldWriter<T>

finish

public void finish()

Description copied from class: ArrowFieldWriter

Finishes the writing of the current row batch.

Overrides:

finish in class ArrowFieldWriter<T>

reset

public void reset()

Description copied from class: ArrowFieldWriter

Resets the state of the writer to write the next batch of fields.

Overrides:

reset in class ArrowFieldWriter<T>