public abstract class ValueBoundaryScanner extends Object
Constructor and Description |
---|
ValueBoundaryScanner(BoundaryDef start,
BoundaryDef end) |
Modifier and Type | Method and Description |
---|---|
abstract int |
computeEnd(int rowIdx,
PTFPartition p) |
abstract int |
computeStart(int rowIdx,
PTFPartition p) |
static ValueBoundaryScanner |
getScanner(WindowFrameDef winFrameDef) |
public ValueBoundaryScanner(BoundaryDef start, BoundaryDef end)
public abstract int computeStart(int rowIdx, PTFPartition p) throws HiveException
HiveException
public abstract int computeEnd(int rowIdx, PTFPartition p) throws HiveException
HiveException
public static ValueBoundaryScanner getScanner(WindowFrameDef winFrameDef) throws HiveException
HiveException
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