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

Class RowWriter<T>

java.lang.Object

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

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

Direct Known Subclasses:

RowWriter.RowWriterForArray, RowWriter.RowWriterForRow

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

ArrowFieldWriter for Row.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RowWriter.RowWriterForArray RowWriter for ArrayData input.
static class	RowWriter.RowWriterForRow RowWriter for RowData input.

Field Summary

Fields

Modifier and Type	Field and Description
protected ArrowFieldWriter<RowData>[]	fieldsWriters

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 RowWriter<ArrayData>	forArray(org.apache.arrow.vector.complex.StructVector structVector, ArrowFieldWriter<RowData>[] fieldsWriters)
static RowWriter<RowData>	forRow(org.apache.arrow.vector.complex.StructVector structVector, ArrowFieldWriter<RowData>[] fieldsWriters)
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

Field Detail

fieldsWriters

protected final ArrowFieldWriter<RowData>[] fieldsWriters

Method Detail

forRow

public static RowWriter<RowData> forRow(org.apache.arrow.vector.complex.StructVector structVector,
                                        ArrowFieldWriter<RowData>[] fieldsWriters)

forArray

public static RowWriter<ArrayData> forArray(org.apache.arrow.vector.complex.StructVector structVector,
                                            ArrowFieldWriter<RowData>[] fieldsWriters)

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>