org.apache.iceberg.arrow.vectorized

Class VectorHolder.ConstantVectorHolder<T>

java.lang.Object

org.apache.iceberg.arrow.vectorized.VectorHolder

org.apache.iceberg.arrow.vectorized.VectorHolder.ConstantVectorHolder<T>

Enclosing class:

VectorHolder

public static class VectorHolder.ConstantVectorHolder<T>
extends VectorHolder

A Vector Holder which does not actually produce values, consumers of this class should use the constantValue to populate their ColumnVector implementation.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.iceberg.arrow.vectorized.VectorHolder

VectorHolder.ConstantVectorHolder<T>, VectorHolder.DeletedVectorHolder, VectorHolder.PositionVectorHolder

Constructor Summary

Constructors

Constructor and Description
ConstantVectorHolder(int numRows)
ConstantVectorHolder(Types.NestedField icebergField, int numRows, T constantValue)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	getConstant()
int	numValues()

Methods inherited from class org.apache.iceberg.arrow.vectorized.VectorHolder

constantHolder, deletedVectorHolder, descriptor, dictionary, dummyHolder, icebergField, icebergType, isDictionaryEncoded, isDummy, nullabilityHolder, vector

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstantVectorHolder

public ConstantVectorHolder(int numRows)

ConstantVectorHolder

public ConstantVectorHolder(Types.NestedField icebergField,
                            int numRows,
                            T constantValue)

Method Detail

numValues

public int numValues()

Overrides:

numValues in class VectorHolder

getConstant

public java.lang.Object getConstant()