public class AggregatorCountEverNonNullFilter extends AggregatorCountEverNonNull
count
Constructor and Description |
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AggregatorCountEverNonNullFilter() |
Modifier and Type | Method and Description |
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void |
enter(java.lang.Object parameters)
Apply the value as entering aggregation (entering window).
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public void enter(java.lang.Object parameters)
AggregationMethod
The value can be null since 'null' values may be counted as unique separate values.
enter
in interface AggregationMethod
enter
in class AggregatorCountEverNonNull
parameters
- to add to aggregate