Reducer.Count (core 1.6.0 API)

java.lang.Object
- org.neo4j.graphalgo.beta.pregel.Reducer.Count

All Implemented Interfaces:: Reducer

Enclosing interface:: Reducer

public static class Reducer.Count
extends java.lang.Object
implements Reducer

Nested Class Summary
- Nested classes/interfaces inherited from interface org.neo4j.graphalgo.beta.pregel.Reducer
  Reducer.Count, Reducer.Max, Reducer.Min, Reducer.Sum

Constructor Summary

Constructors
Constructor Description

Count()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`identity()`	The identity element is used as the initial value.
`double`	`reduce(double current, double message)`	Computes a new value based on the current value and the message.

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

- Constructor Detail
  - Count
```
public Count()
```
- Method Detail
  - identity
```
public double identity()
```
    Description copied from interface: Reducer
    
    The identity element is used as the initial value.
    
    Specified by:
    
    identity in interface Reducer
  - reduce
```
public double reduce(double current,
                     double message)
```
    Description copied from interface: Reducer
    
    Computes a new value based on the current value and the message.
    
    Specified by:
    
    reduce in interface Reducer