Package org.apache.calcite.adapter.clone

Class ArrayTable.Constant

java.lang.Object

org.apache.calcite.adapter.clone.ArrayTable.Constant

All Implemented Interfaces:

ArrayTable.Representation

Enclosing class:

ArrayTable

public static class ArrayTable.Constant
extends java.lang.Object
implements ArrayTable.Representation

Representation of a column that has the same value for every row.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) int	ordinal

Constructor Summary

Constructors

Constructor	Description
Constant(int ordinal)

Method Summary

Modifier and Type	Method	Description
java.lang.Object	freeze(ColumnLoader.ValueSet valueSet, int[] sources)	Converts a value set into a compact representation.
int	getInt(java.lang.Object dataSet, int ordinal)
java.lang.Object	getObject(java.lang.Object dataSet, int ordinal)
ArrayTable.RepresentationType	getType()	Returns the representation type.
java.lang.Object	permute(java.lang.Object dataSet, int[] sources)	Creates a data set that is the same as a given data set but re-ordered.
int	size(java.lang.Object dataSet)	Returns the number of elements in a data set.
java.lang.String	toString()
java.lang.String	toString(java.lang.Object dataSet)	Converts a data set to a string.

Methods inherited from class java.lang.Object

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

Field Detail

ordinal

final int ordinal

Constructor Detail

Constant

Constant(int ordinal)

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getType

public ArrayTable.RepresentationType getType()

Description copied from interface: ArrayTable.Representation

Returns the representation type.

Specified by:

getType in interface ArrayTable.Representation

freeze

public java.lang.Object freeze(ColumnLoader.ValueSet valueSet,
                               int[] sources)

Description copied from interface: ArrayTable.Representation

Converts a value set into a compact representation. If sources is not null, permutes.

Specified by:

freeze in interface ArrayTable.Representation

permute

public java.lang.Object permute(java.lang.Object dataSet,
                                int[] sources)

Description copied from interface: ArrayTable.Representation

Creates a data set that is the same as a given data set but re-ordered.

Specified by:

permute in interface ArrayTable.Representation

getObject

public java.lang.Object getObject(java.lang.Object dataSet,
                                  int ordinal)

Specified by:

getObject in interface ArrayTable.Representation

getInt

public int getInt(java.lang.Object dataSet,
                  int ordinal)

Specified by:

getInt in interface ArrayTable.Representation

size

public int size(java.lang.Object dataSet)

Description copied from interface: ArrayTable.Representation

Returns the number of elements in a data set. (Some representations return the capacity, which may be slightly larger than the actual size.)

Specified by:

size in interface ArrayTable.Representation

toString

public java.lang.String toString(java.lang.Object dataSet)

Description copied from interface: ArrayTable.Representation

Converts a data set to a string.

Specified by:

toString in interface ArrayTable.Representation