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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