Interface TupleFilter
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- All Known Implementing Classes:
DropDependencyFilter
public interface TupleFilter
A TupleFilter is used to qualify rows from a tuple stream.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description BooleanDataValue
execute(ExecRow currentRow)
Pump a row through the Filter.void
init(ExecRow parameters)
Initialize a Filter with a vector of parameters.
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Method Detail
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init
void init(ExecRow parameters) throws StandardException
Initialize a Filter with a vector of parameters.- Parameters:
parameters
- An ExecRow of parameter values- Throws:
StandardException
- Thrown on error
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execute
BooleanDataValue execute(ExecRow currentRow) throws StandardException
Pump a row through the Filter.- Parameters:
currentRow
- Column values to plug into restriction- Returns:
- True if the row qualifies. False otherwise.
- Throws:
StandardException
- Thrown on error
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