EnforceAtMostOneElementCollector (Digipost Digg 0.32 API)

java.lang.Object
- no.digipost.collection.EnforceAtMostOneElementCollector<T>

All Implemented Interfaces:: Collector<T,OneTimeAssignment<T>,Optional<T>>, EmptyResultIfEmptySourceCollector<T,OneTimeAssignment<T>,T>

public class EnforceAtMostOneElementCollector<T>
extends Object
implements EmptyResultIfEmptySourceCollector<T,OneTimeAssignment<T>,T>

Nested Class Summary
- Nested classes/interfaces inherited from interface java.util.stream.Collector
  Collector.Characteristics

Constructor Summary

Constructors
Constructor Description

EnforceAtMostOneElementCollector(BiFunction<? super T,? super T,? extends RuntimeException> exceptionOnExcessiveElements)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`BiConsumer<OneTimeAssignment<T>,T>`	`accumulator()`
`Set<Collector.Characteristics>`	`characteristics()`
`BinaryOperator<OneTimeAssignment<T>>`	`combiner()`
`Function<OneTimeAssignment<T>,Optional<T>>`	`finisher()`
`Supplier<OneTimeAssignment<T>>`	`supplier()`

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

- Constructor Detail
  - EnforceAtMostOneElementCollector
```
public EnforceAtMostOneElementCollector(BiFunction<? super T,? super T,? extends RuntimeException> exceptionOnExcessiveElements)
```
- Method Detail
  - supplier
```
public Supplier<OneTimeAssignment<T>> supplier()
```
    Specified by:
    
    supplier in interface Collector<T,OneTimeAssignment<T>,Optional<T>>
  - accumulator
```
public BiConsumer<OneTimeAssignment<T>,T> accumulator()
```
    Specified by:
    
    accumulator in interface Collector<T,OneTimeAssignment<T>,Optional<T>>
  - combiner
```
public BinaryOperator<OneTimeAssignment<T>> combiner()
```
    Specified by:
    
    combiner in interface Collector<T,OneTimeAssignment<T>,Optional<T>>
  - finisher
```
public Function<OneTimeAssignment<T>,Optional<T>> finisher()
```
    Specified by:
    
    finisher in interface Collector<T,OneTimeAssignment<T>,Optional<T>>
  - characteristics
```
public Set<Collector.Characteristics> characteristics()
```
    Specified by:
    
    characteristics in interface Collector<T,OneTimeAssignment<T>,Optional<T>>