| Package | Description |
|---|---|
| org.apache.flink.api.common.aggregators | |
| org.apache.flink.api.common.functions | |
| org.apache.flink.api.common.operators.base |
| Modifier and Type | Class and Description |
|---|---|
class |
DoubleSumAggregator
An
Aggregator that sums up DoubleValue values. |
class |
LongSumAggregator
An
Aggregator that sums up long values. |
| Modifier and Type | Method and Description |
|---|---|
Aggregator<T> |
AggregatorWithName.getAggregator()
Gets the aggregator.
|
| Modifier and Type | Method and Description |
|---|---|
<T extends Value> |
AggregatorRegistry.registerAggregationConvergenceCriterion(String name,
Aggregator<T> aggregator,
ConvergenceCriterion<T> convergenceCheck) |
void |
AggregatorRegistry.registerAggregator(String name,
Aggregator<?> aggregator) |
| Constructor and Description |
|---|
AggregatorWithName(String name,
Aggregator<T> aggregator)
Creates a new instance for the given aggregator and name.
|
| Modifier and Type | Method and Description |
|---|---|
<T extends Aggregator<?>> |
IterationRuntimeContext.getIterationAggregator(String name) |
| Modifier and Type | Class and Description |
|---|---|
static class |
BulkIterationBase.TerminationCriterionAggregator
Aggregator that basically only adds 1 for every output tuple of the termination criterion branch
|
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