public final class DCount extends java.lang.Object implements IDStarAlgorithm
Constructor and Description |
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DCount() |
Modifier and Type | Method and Description |
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boolean |
allowEmptyMatchField()
Whether the field value (the 2nd param in DCOUNT, DGET, etc.) can evaluate to empty.
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ValueEval |
getResult()
Return a result ValueEval that will be the result of the calculation.
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boolean |
processMatch(ValueEval eval)
Process a match that is found during a run through a database.
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public boolean processMatch(ValueEval eval)
IDStarAlgorithm
processMatch
in interface IDStarAlgorithm
eval
- ValueEval of the cell in the matching row. References will already be resolved.public ValueEval getResult()
IDStarAlgorithm
getResult
in interface IDStarAlgorithm
public boolean allowEmptyMatchField()
IDStarAlgorithm
allowEmptyMatchField
in interface IDStarAlgorithm
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