tupleCounter
Constructor and Description |
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UnaryOperator()
Constructs a new unary operator given an input operator.
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UnaryOperator(Operator operator)
Constructs a new unary operator given an input operator.
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Modifier and Type | Method and Description |
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Operator |
getInputOperator()
Returns the sole input operator of this unary operator.
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allDone, cleanup, getInputOperator, getMultiNext, getNext, getNumberOfInputs, getOutputRelation, innerGetNext, innerProcessTuple, prefix, processTuple, setInputs, setOutputRelation, setup, toString, toString, toStringSingle, tuples
public UnaryOperator() throws EngineException
EngineException
- thrown whenever the unary operator
cannot be properly constructed.public UnaryOperator(Operator operator) throws EngineException
operator
- the input operator of this unary operator.EngineException
- thrown whenever the unary operator
cannot be properly constructed.public Operator getInputOperator() throws EngineException
EngineException
- ideally it should never be thrown.