DoubleSumAggregator (druid-processing 28.0.1 API)

java.lang.Object
- org.apache.druid.query.aggregation.DoubleSumAggregator

All Implemented Interfaces:: Closeable, AutoCloseable, Aggregator

public class DoubleSumAggregator
extends Object
implements Aggregator

Field Summary

Fields
Modifier and Type Field Description

static Comparator COMPARATOR

Constructor Summary

Constructors
Constructor Description

DoubleSumAggregator(BaseDoubleColumnValueSelector selector)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`aggregate()`	Performs aggregation.
`void`	`close()`
`Object`	`get()`
`double`	`getDouble()`	The default implementation casts `Aggregator.getFloat()` to double.
`float`	`getFloat()`
`long`	`getLong()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.druid.query.aggregation.Aggregator
aggregateWithSize, isNull

- Field Detail
  - COMPARATOR
```
public static final Comparator COMPARATOR
```
- Constructor Detail
  - DoubleSumAggregator
```
public DoubleSumAggregator(BaseDoubleColumnValueSelector selector)
```
- Method Detail
  - aggregate
```
public void aggregate()
```
    Description copied from interface: Aggregator
    
    Performs aggregation.
    
    Specified by:
    
    aggregate in interface Aggregator
  - get
```
public Object get()
```
    Specified by:
    
    get in interface Aggregator
  - getFloat
```
public float getFloat()
```
    Specified by:
    
    getFloat in interface Aggregator
  - getLong
```
public long getLong()
```
    Specified by:
    
    getLong in interface Aggregator
  - close
```
public void close()
```
    Specified by:
    
    close in interface Aggregator
    
    Specified by:
    
    close in interface AutoCloseable
    
    Specified by:
    
    close in interface Closeable
  - getDouble
```
public double getDouble()
```
    Description copied from interface: Aggregator
    
    The default implementation casts Aggregator.getFloat() to double. This default method is added to enable smooth backward compatibility, please re-implement it if your aggregators work with numeric double columns.
    
    Specified by:
    
    getDouble in interface Aggregator