| Interface | Description |
|---|---|
| Aggregator |
An Aggregator is an object that can aggregate metrics.
|
| BufferAggregator |
A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.
|
| IntPredicate |
can be replaced with http://docs.oracle.com/javase/8/docs/api/java/util/function/IntPredicate.html
when druid moves to java 8.
|
| MetricManipulationFn | |
| PostAggregator |
Functionally similar to an Aggregator.
|
| Class | Description |
|---|---|
| AggregatorFactory |
Processing related interface
An AggregatorFactory is an object that knows how to generate an Aggregator using a ColumnSelectorFactory.
|
| Aggregators | |
| AggregatorUtil | |
| CountAggregator | |
| CountAggregatorFactory | |
| CountBufferAggregator | |
| DoubleMaxAggregator | |
| DoubleMaxAggregatorFactory | |
| DoubleMaxBufferAggregator | |
| DoubleMinAggregator | |
| DoubleMinAggregatorFactory | |
| DoubleMinBufferAggregator | |
| DoubleSumAggregator | |
| DoubleSumAggregatorFactory | |
| DoubleSumBufferAggregator | |
| FilteredAggregator | |
| FilteredAggregatorFactory | |
| FilteredBufferAggregator | |
| Histogram | |
| HistogramAggregator | |
| HistogramAggregatorFactory | |
| HistogramBufferAggregator | |
| HistogramVisual | |
| JavaScriptAggregator | |
| JavaScriptAggregatorFactory | |
| JavaScriptBufferAggregator | |
| LongMaxAggregator | |
| LongMaxAggregatorFactory | |
| LongMaxBufferAggregator | |
| LongMinAggregator | |
| LongMinAggregatorFactory | |
| LongMinBufferAggregator | |
| LongSumAggregator | |
| LongSumAggregatorFactory | |
| LongSumBufferAggregator | |
| MetricManipulatorFns |
| Exception | Description |
|---|---|
| AggregatorFactoryNotMergeableException |
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