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

Class MapWriter<T>

java.lang.Object

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

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

Direct Known Subclasses:

MapWriter.MapWriterForArray, MapWriter.MapWriterForRow

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

ArrowFieldWriter for Map.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MapWriter.MapWriterForArray MapWriter for ArrayData input.
static class	MapWriter.MapWriterForRow MapWriter 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.
static MapWriter<ArrayData>	forArray(org.apache.arrow.vector.complex.MapVector mapVector, ArrowFieldWriter<ArrayData> keyWriter, ArrowFieldWriter<ArrayData> valueWriter)
static MapWriter<RowData>	forRow(org.apache.arrow.vector.complex.MapVector mapVector, ArrowFieldWriter<ArrayData> keyWriter, ArrowFieldWriter<ArrayData> valueWriter)

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

finish, getCount, getValueVector, reset, write

Methods inherited from class java.lang.Object

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

Method Detail

forRow

public static MapWriter<RowData> forRow(org.apache.arrow.vector.complex.MapVector mapVector,
                                        ArrowFieldWriter<ArrayData> keyWriter,
                                        ArrowFieldWriter<ArrayData> valueWriter)

forArray

public static MapWriter<ArrayData> forArray(org.apache.arrow.vector.complex.MapVector mapVector,
                                            ArrowFieldWriter<ArrayData> keyWriter,
                                            ArrowFieldWriter<ArrayData> valueWriter)

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>