Package io.deephaven.engine.table.impl.util

Class ShiftInversionHelper

java.lang.Object

io.deephaven.engine.table.impl.util.ShiftInversionHelper

public class ShiftInversionHelper
extends Object

Helper utility for inverting row key shifts.

Constructor Summary

Constructors

Constructor	Description
ShiftInversionHelper(RowSetShiftData shifted)
ShiftInversionHelper(RowSetShiftData shifted, boolean reverseOrder)

Method Summary

Modifier and Type	Method	Description
long	mapToPrevKeyspace(long key, boolean isEnd)	Converts post-keyspace key to pre-keyspace key.

Methods inherited from class java.lang.Object

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

Constructor Details

ShiftInversionHelper

public ShiftInversionHelper(RowSetShiftData shifted)

ShiftInversionHelper

public ShiftInversionHelper(RowSetShiftData shifted,
 boolean reverseOrder)

Method Details

mapToPrevKeyspace

public long mapToPrevKeyspace(long key,
 boolean isEnd)

Converts post-keyspace key to pre-keyspace key. It expects to be invoked in ascending key order.