public class BeamSqlWindowEndExpression extends BeamSqlExpression
BeamSqlExpression
for HOP_END
, TUMBLE_END
, SESSION_END
operation.
These operators returns the end timestamp of window.
operands, outputType
Constructor and Description |
---|
BeamSqlWindowEndExpression() |
Modifier and Type | Method and Description |
---|---|
boolean |
accept()
assertion to make sure the input and output are supported in this expression.
|
BeamSqlPrimitive<java.util.Date> |
evaluate(BeamRecord inputRow,
BoundedWindow window)
Apply input record
BeamRecord with BoundedWindow to this expression,
the output value is wrapped with BeamSqlPrimitive . |
getOperands, getOutputType, numberOfOperands, op, opType, opValueEvaluated
public boolean accept()
BeamSqlExpression
accept
in class BeamSqlExpression
public BeamSqlPrimitive<java.util.Date> evaluate(BeamRecord inputRow, BoundedWindow window)
BeamSqlExpression
BeamRecord
with BoundedWindow
to this expression,
the output value is wrapped with BeamSqlPrimitive
.evaluate
in class BeamSqlExpression