Package org.gridgain.tpcds.qgen

Class SlowlyChangingDimensionUtils

java.lang.Object

org.gridgain.tpcds.qgen.SlowlyChangingDimensionUtils

public final class SlowlyChangingDimensionUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SlowlyChangingDimensionUtils.SlowlyChangingDimensionKey

Method Summary

Modifier and Type	Method	Description
static SlowlyChangingDimensionUtils.SlowlyChangingDimensionKey	computeScdKey(Table table, long rowNumber)
static <T> T	getValueForSlowlyChangingDimension(int fieldChangeFlag, boolean isNewKey, T oldValue, T newValue)
static long	matchSurrogateKey(long unique, long julianDate, Table table, Scaling scaling)
static boolean	shouldChangeDimension(int flags, boolean isNewKey)

Methods inherited from class java.lang.Object

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

Method Details

computeScdKey

public static SlowlyChangingDimensionUtils.SlowlyChangingDimensionKey computeScdKey(Table table,
 long rowNumber)

getValueForSlowlyChangingDimension

public static <T> T getValueForSlowlyChangingDimension(int fieldChangeFlag,
 boolean isNewKey,
 T oldValue,
 T newValue)

shouldChangeDimension

public static boolean shouldChangeDimension(int flags,
 boolean isNewKey)

matchSurrogateKey

public static long matchSurrogateKey(long unique,
 long julianDate,
 Table table,
 Scaling scaling)