Cache (camunda Commons - Utils 1.13.0 API)

Type Parameters:

K - the type of keys

V - the type of mapped values

All Known Implementing Classes:

ConcurrentLruCache
```
public interface Cache<K,V>
```
A Map-like data structure that stores key-value pairs and provides temporary access to it.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`clear()`	Clears the contents of the cache.
`V`	`get(K key)`	Gets an entry from the cache.
`boolean`	`isEmpty()`	Returns `true` if this cache contains no key-value mappings.
`java.util.Set<K>`	`keySet()`	Returns a Set view of the keys contained in this cache.
`void`	`put(K key, V value)`	Associates the specified value with the specified key in the cache.
`void`	`remove(K key)`	Removes an entry from the cache.
`int`	`size()`

- Method Detail
  - get
```
V get(K key)
```
    Gets an entry from the cache.
    
    Parameters:
    
    key - the key whose associated value is to be returned
    
    Returns:
    
    the element, or null, if it does not exist.
  - put
```
void put(K key,
         V value)
```
    Associates the specified value with the specified key in the cache.
    
    Parameters:
    
    key - key with which the specified value is to be associated
    
    value - value to be associated with the specified key
    
    Throws:
    
    java.lang.NullPointerException - if key is null or if value is null
  - clear
```
void clear()
```
    Clears the contents of the cache.
  - remove
```
void remove(K key)
```
    Removes an entry from the cache.
    
    Parameters:
    
    key - key with which the specified value is to be associated.
  - keySet
```
java.util.Set<K> keySet()
```
    Returns a Set view of the keys contained in this cache.
  - size
```
int size()
```
    Returns:
    
    the current size of the cache
  - isEmpty
```
boolean isEmpty()
```
    Returns true if this cache contains no key-value mappings.