SumIncrementalAttributeAggregator (Siddhi Core 5.1.29 API)

java.lang.Object
- io.siddhi.core.query.selector.attribute.aggregator.incremental.IncrementalAttributeAggregator
- - io.siddhi.core.query.selector.attribute.aggregator.incremental.SumIncrementalAttributeAggregator

public class SumIncrementalAttributeAggregator
extends IncrementalAttributeAggregator

IncrementalAttributeAggregator to calculate sum based on an event attribute.

Constructor Summary

Constructors
Constructor Description

SumIncrementalAttributeAggregator()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`io.siddhi.query.api.expression.Expression`	`aggregate()`
`io.siddhi.query.api.expression.Expression[]`	`getBaseAggregators()`
`io.siddhi.query.api.expression.Expression[]`	`getBaseAttributeInitialValues()`
`io.siddhi.query.api.definition.Attribute[]`	`getBaseAttributes()`
`io.siddhi.query.api.definition.Attribute.Type`	`getReturnType()`
`void`	`init(String attributeName, io.siddhi.query.api.definition.Attribute.Type attributeType)`

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

- Constructor Detail
  - SumIncrementalAttributeAggregator
```
public SumIncrementalAttributeAggregator()
```
- Method Detail
  - init
```
public void init(String attributeName,
                 io.siddhi.query.api.definition.Attribute.Type attributeType)
```
    Specified by:
    
    init in class IncrementalAttributeAggregator
  - aggregate
```
public io.siddhi.query.api.expression.Expression aggregate()
```
    Specified by:
    
    aggregate in class IncrementalAttributeAggregator
  - getBaseAttributes
```
public io.siddhi.query.api.definition.Attribute[] getBaseAttributes()
```
    Specified by:
    
    getBaseAttributes in class IncrementalAttributeAggregator
  - getBaseAttributeInitialValues
```
public io.siddhi.query.api.expression.Expression[] getBaseAttributeInitialValues()
```
    Specified by:
    
    getBaseAttributeInitialValues in class IncrementalAttributeAggregator
  - getBaseAggregators
```
public io.siddhi.query.api.expression.Expression[] getBaseAggregators()
```
    Specified by:
    
    getBaseAggregators in class IncrementalAttributeAggregator
  - getReturnType
```
public io.siddhi.query.api.definition.Attribute.Type getReturnType()
```
    Specified by:
    
    getReturnType in class IncrementalAttributeAggregator