Package org.apache.druid.frame.field

Class FieldPositionHelper

java.lang.Object

org.apache.druid.frame.field.FieldPositionHelper

public class FieldPositionHelper
extends Object

Helps compute the field position for a frame from the different regions in the frame.

Constructor Summary

Constructors

Constructor	Description
FieldPositionHelper(Frame frame, org.apache.datasketches.memory.Memory offsetRegion, org.apache.datasketches.memory.Memory dataRegion, int columnIndex, int numFields)

Method Summary

Modifier and Type	Method	Description
long	computeFieldPosition(int rowNum)

Methods inherited from class java.lang.Object

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

Constructor Details

FieldPositionHelper

public FieldPositionHelper(Frame frame,
 org.apache.datasketches.memory.Memory offsetRegion,
 org.apache.datasketches.memory.Memory dataRegion,
 int columnIndex,
 int numFields)

Method Details

computeFieldPosition

public long computeFieldPosition(int rowNum)