Cache (OCFL Java Core 1.0.0 API)

Type Parameters:

K - type of cache key

V - type of cache value

All Known Implementing Classes:

CaffeineCache, NoOpCache
```
public interface Cache<K,V>
```
Extension point that allows the OCFL repository to use any number of different cache implementations so long as they conform to this interface.

See Also:

CaffeineCache

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`contains(K key)`	Returns true if the cache contains the specified key
`V`	`get(K key, Function<K,V> loader)`	Retrieves a value from the cache.
`void`	`invalidate(K key)`	Invalidates the key in the cache.
`void`	`put(K key, V value)`	Inserts a value into the cache.

- Method Detail
  - get
```
V get(K key,
      Function<K,V> loader)
```
    Retrieves a value from the cache. If it doesn't exist, the loader is called to load the object, which is then cached and returned.
    
    Parameters:
    
    key - to lookup in the cache
    
    loader - function to call to load the object if it's not found
    
    Returns:
    
    the object that maps to the key
  - put
```
void put(K key,
         V value)
```
    Inserts a value into the cache.
    
    Parameters:
    
    key - key
    
    value - value
  - invalidate
```
void invalidate(K key)
```
    Invalidates the key in the cache.
    
    Parameters:
    
    key - key
  - contains
```
boolean contains(K key)
```
    Returns true if the cache contains the specified key
    
    Parameters:
    
    key - key
    
    Returns:
    
    true if the cache contains the key