DoubleMaxAggregatorFunction (Commons Functor 1.0-SNAPSHOT API)

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java.lang.Object
- org.apache.commons.functor.aggregator.functions.DoubleMaxAggregatorFunction

All Implemented Interfaces:

Functor, UnaryFunction<List<Double>,Double>, UnaryFunctor<List<Double>>
```
public class DoubleMaxAggregatorFunction
extends Object
implements UnaryFunction<List<Double>,Double>
```
Aggregator function to be used with subclasses of AbstractListBackedAggregator which finds the maximum number in a list. It does this by traversing the list (once) -- so the complexity of this will be O(n).

Constructor Summary

Constructors
Constructor and Description

DoubleMaxAggregatorFunction()

Method Summary

Methods
Modifier and Type	Method and Description
`Double`	`evaluate(List<Double> data)` Does the actual traversal of the list and finds the maximum value then returns the result.
`String`	`toString()`

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

- Constructor Detail
  - DoubleMaxAggregatorFunction
```
public DoubleMaxAggregatorFunction()
```
- Method Detail
  - evaluate
```
public Double evaluate(List<Double> data)
```
    Does the actual traversal of the list and finds the maximum value then returns the result. Please note that caller is responsible for synchronizing access to the list.
    
    Specified by:
    
    evaluate in interface UnaryFunction<List<Double>,Double>
    
    Parameters:
    data - List to traverse and find max
    
    Returns:
    max number in the list or null if the list is empty.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

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