Counter (Apache Wayang (incubating) 0.7.1 API)

java.lang.Object
- org.apache.wayang.core.util.Counter<T>

All Implemented Interfaces:

java.lang.Iterable<java.util.Map.Entry<T,java.lang.Integer>>
```
public class Counter<T>
extends java.lang.Object
implements java.lang.Iterable<java.util.Map.Entry<T,java.lang.Integer>>
```
This utility helps to count elements.

Constructor Summary

Constructors
Constructor Description

Counter()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`add(T element, int delta)`	Counts the given `delta` for the given `element`.
`void`	`addAll(Counter<T> that)`
`void`	`clear()`
`int`	`decrement(T element)`
`boolean`	`equals(java.lang.Object o)`
`int`	`get(T element)`
`int`	`hashCode()`
`int`	`increment(T element)`
`boolean`	`isEmpty()`
`java.util.Iterator<java.util.Map.Entry<T,java.lang.Integer>>`	`iterator()`
`void`	`remove(T element)`

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

Methods inherited from interface java.lang.Iterable
forEach, spliterator

Constructor Detail
- Counter
```
public Counter()
```

Method Detail

get
```
public int get(T element)
```

add
```
public int add(T element,
               int delta)
```
Counts the given delta for the given element.

Returns:

the new count

increment
```
public int increment(T element)
```

decrement
```
public int decrement(T element)
```

addAll

public void addAll(Counter<T> that)

isEmpty
```
public boolean isEmpty()
```

equals

public boolean equals(java.lang.Object o)

Overrides:: equals in class java.lang.Object

hashCode
```
public int hashCode()
```
Overrides:

hashCode in class java.lang.Object

iterator

public java.util.Iterator<java.util.Map.Entry<T,java.lang.Integer>> iterator()

Specified by:: iterator in interface java.lang.Iterable<T>

remove
```
public void remove(T element)
```

clear
```
public void clear()
```