Package io.deephaven.engine.table.impl

Class ShiftedColumnOperation

java.lang.Object

io.deephaven.engine.table.impl.ShiftedColumnOperation

public class ShiftedColumnOperation
extends Object

Tools for creating a new ShiftedColumn(s) for a given input table and a source column(s)

Method Summary

Modifier and Type	Method	Description
static Table	addShiftedColumns(@NotNull Table source, long shift, @NotNull MatchPair... matchPairs)	Creates a new table that has all the columns of the source table plus includes the new shifted column(s).
static Table	addShiftedColumns(@NotNull Table source, long shift, @NotNull String... matchColumns)	Creates a new table that has all the columns of the source table plus includes the new shifted column(s).

Methods inherited from class java.lang.Object

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

Method Details

addShiftedColumns

public static Table addShiftedColumns(@NotNull
 @NotNull Table source,
 long shift,
 @NotNull
 @NotNull String... matchColumns)

Creates a new table that has all the columns of the source table plus includes the new shifted column(s).

Parameters:

source - source table

shift - the positive or negative shift value

matchColumns - the source and shifted column pair(s) as shifted=source for example "X1=X", "Y1=Y"...

Returns:

a new Table that includes the shifted column

addShiftedColumns

public static Table addShiftedColumns(@NotNull
 @NotNull Table source,
 long shift,
 @NotNull
 @NotNull MatchPair... matchPairs)

Creates a new table that has all the columns of the source table plus includes the new shifted column(s).

Parameters:

source - the source table, used to create new table with the shifted column

shift - the constant shift value

matchPairs - the source and shifted column pair(s) as shifted=source match pairs

Returns:

a new Table that has all columns from source table plus additional shifted column(s) that are created using the shift from their source column(s)