DoubleMinMaxProcessor (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.parallel.processor.DoubleMinMaxProcessor

All Implemented Interfaces:

Processor
```
public class DoubleMinMaxProcessor
extends java.lang.Object
implements Processor
```
Sink collecting minimum and maximum values.

Since:

0.7.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes
Modifier and Type Class Description

private static class DoubleMinMaxProcessor.Instance
Instance for a particular sub-channel / part of the data set.

Field Summary

Fields
Modifier and Type Field Description

(package private) SharedDouble input
Input channel

(package private) DoubleMinMax minmax
The central data store.

Constructor Summary

Constructors
Constructor Description

DoubleMinMaxProcessor()
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`cleanup(Processor.Instance inst)`	Invoke cleanup.
`void`	`connectInput(SharedDouble input)`	Connect an input channel.
`DoubleMinMax`	`getMinMax()`	Get the minmax object.
`DoubleMinMaxProcessor.Instance`	`instantiate(Executor executor)`	Create an instance.
`protected void`	`merge(DoubleMinMax minmax)`	Merge the result of an instance.

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

- Field Detail
  - minmax
```
DoubleMinMax minmax
```
    The central data store.
  - input
```
SharedDouble input
```
    Input channel
- Constructor Detail
  - DoubleMinMaxProcessor
```
public DoubleMinMaxProcessor()
```
    Constructor.
- Method Detail
  - connectInput
```
public void connectInput(SharedDouble input)
```
    Connect an input channel.
    
    Parameters:
    
    input - Input channel
  - instantiate
```
public DoubleMinMaxProcessor.Instance instantiate(Executor executor)
```
    Description copied from interface: Processor
    
    Create an instance. May be called multiple times, for example for multiple threads.
    
    Specified by:
    
    instantiate in interface Processor
    
    Parameters:
    
    executor - Job executor
    
    Returns:
    
    Instance
  - cleanup
```
public void cleanup(Processor.Instance inst)
```
    Description copied from interface: Processor
    
    Invoke cleanup.
    
    Specified by:
    
    cleanup in interface Processor
    
    Parameters:
    
    inst - Instance to cleanup.
  - merge
```
protected void merge(DoubleMinMax minmax)
```
    Merge the result of an instance.
    
    Parameters:
    
    minmax - Minmax value
  - getMinMax
```
public DoubleMinMax getMinMax()
```
    Get the minmax object.
    
    Returns:
    
    Minmax object