ICache (ph-commons 11.1.0 API)

Type Parameters:

KEYTYPE - Cache key type.

VALUETYPE - Cache value type.

All Superinterfaces:

IHasName, IHasSize

All Known Subinterfaces:

IMutableCache<KEYTYPE,VALUETYPE>

All Known Implementing Classes:

Cache, DateTimeFormatterCache, MappedCache, PDTFormatter.LocalizedDateFormatCache, RegExCache
```
public interface ICache<KEYTYPE,VALUETYPE>
extends IHasName, IHasSize
```
Read-only interface for a very simple Map-like cache.

Author:

Philip Helger

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  VALUETYPE getFromCache(KEYTYPE aKey)
  Get the cached value associated with the passed key.
  - Methods inherited from interface com.helger.commons.name.IHasName
    getName
  - Methods inherited from interface com.helger.commons.lang.IHasSize
    isEmpty, isNotEmpty, size

- Method Detail
  - getFromCache
```
VALUETYPE getFromCache(KEYTYPE aKey)
```
    Get the cached value associated with the passed key. If the value is not in the cache, it might be automatically retrieved from a respective provider.
    
    Parameters:
    
    aKey - The key to be looked up. May be nullable or not - depends upon the implementation.
    
    Returns:
    
    null if no such value is in the cache.