Cache (Camunda Platform Javadocs 7.20.0-SNAPSHOT)

java.lang.Object
- org.camunda.bpm.engine.impl.juel.Cache

All Implemented Interfaces:

TreeCache
```
public final class Cache
extends Object
implements TreeCache
```
Simple (thread-safe) LRU cache. After the cache size reached a certain limit, the least recently used entry is removed, when adding a new entry.

Author:

Christoph Beck

- Constructor Summary
  
  Constructors
  Constructor Description
  
  Cache(int size)
  Constructor.
  
  Cache(int size, Map<String,Tree> secondary)
  Constructor.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  Tree get(String expression)
  Lookup tree
  
  void put(String expression, Tree tree)
  Cache tree
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Cache
```
public Cache(int size)
```
    Constructor. Use a WeakHashMap as secondary map.
    
    Parameters:
    
    size - maximum primary cache size
  - Cache
```
public Cache(int size,
             Map<String,Tree> secondary)
```
    Constructor. If the least recently used entry is removed from the primary cache, it is added to the secondary map.
    
    Parameters:
    
    size - maximum primary cache size
    
    secondary - the secondary map (may be null)
- Method Detail
  - get
```
public Tree get(String expression)
```
    Description copied from interface: TreeCache
    
    Lookup tree
    
    Specified by:
    
    get in interface TreeCache
  - put
```
public void put(String expression,
                Tree tree)
```
    Description copied from interface: TreeCache
    
    Cache tree
    
    Specified by:
    
    put in interface TreeCache