HashMapMultiCounter (com.gengoai:mango 1.1-SNAPSHOT API)

java.lang.Object
- com.gengoai.collection.counter.BaseMultiCounter<K,V>
- - com.gengoai.collection.counter.HashMapMultiCounter<K,V>

Type Parameters:

K - the first key type

V - the second type

All Implemented Interfaces:

MultiCounter<K,V>, Serializable
```
public class HashMapMultiCounter<K,V>
extends BaseMultiCounter<K,V>
```
Implementation of a MultiCounter using a HashMaps.

Author:

David B. Bracewell

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`HashMapMultiCounter()`	Instantiates a new HashMapMultiCounter.
`HashMapMultiCounter(@NonNull Collection<Tuple3<K,V,Double>> items)`	Instantiates a new HashMapMultiCounter initializing it with the given values.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected Counter<V>`	`createCounter()`	Creates a new counter.
`protected MultiCounter<K,V>`	`newInstance()`	New instance.

Methods inherited from class com.gengoai.collection.counter.BaseMultiCounter
adjustValues, adjustValuesSelf, clear, contains, contains, entries, filterByFirstKey, filterBySecondKey, filterByValue, firstKeys, get, isEmpty, itemsByCount, keyPairs, merge, remove, remove, set, set, size, toString, values

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

Methods inherited from interface com.gengoai.collection.counter.MultiCounter
average, decrement, decrement, decrementAll, decrementAll, divideByKeySum, divideBySum, get, increment, increment, incrementAll, incrementAll, magnitude, maximumCount, minimumCount, removeAll, secondKeys, setIfAbsent, standardDeviation, sum, toJson, transpose, writeCsv

- Constructor Detail
  - HashMapMultiCounter
```
public HashMapMultiCounter()
```
    Instantiates a new HashMapMultiCounter.
  - HashMapMultiCounter
```
public HashMapMultiCounter(@NonNull
                           @NonNull Collection<Tuple3<K,V,Double>> items)
```
    Instantiates a new HashMapMultiCounter initializing it with the given values.
    
    Parameters:
    
    items - the items
- Method Detail
  - createCounter
```
protected Counter<V> createCounter()
```
    Description copied from class: BaseMultiCounter
    
    Creates a new counter.
    
    Specified by:
    
    createCounter in class BaseMultiCounter<K,V>
    
    Returns:
    
    the counter
  - newInstance
```
protected MultiCounter<K,V> newInstance()
```
    Description copied from class: BaseMultiCounter
    
    New instance.
    
    Specified by:
    
    newInstance in class BaseMultiCounter<K,V>
    
    Returns:
    
    the multi counter