LRUCache (Neo4j Cypher DSL (Core) 2021.4.2 API)

java.lang.Object
- java.util.AbstractMap<K,V>
- - java.util.HashMap<K,V>
  - - java.util.LinkedHashMap<K,V>
    - - org.neo4j.cypherdsl.core.utils.LRUCache<K,V>

Type Parameters:

K - Type of the keys

V - Type of the values

All Implemented Interfaces:

Serializable, Cloneable, Map<K,V>
```
@API(status=INTERNAL,
     since="2021.0.2")
public final class LRUCache<K,V>
extends LinkedHashMap<K,V>
```
A non thread safe least recently used (LRU) cache. It must be used with a locking implementation around it.

Since:

2021.0.2

Author:

Michael J. Simons

See Also:

Serialized Form

- Nested Class Summary
  - Nested classes/interfaces inherited from class java.util.AbstractMap
    AbstractMap.SimpleEntry<K extends Object,V extends Object>, AbstractMap.SimpleImmutableEntry<K extends Object,V extends Object>
  - Nested classes/interfaces inherited from interface java.util.Map
    Map.Entry<K extends Object,V extends Object>
- Constructor Summary
  
  Constructors
  Constructor Description
  
  LRUCache(int cacheSize)
  Creates a new LRU cache with the given cache size
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  protected boolean removeEldestEntry(Map.Entry<K,V> eldest)
  - Methods inherited from class java.util.LinkedHashMap
    clear, containsValue, entrySet, forEach, get, getOrDefault, keySet, replaceAll, values
  - Methods inherited from class java.util.HashMap
    clone, compute, computeIfAbsent, computeIfPresent, containsKey, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size
  - Methods inherited from class java.util.AbstractMap
    equals, hashCode, toString
  - Methods inherited from class java.lang.Object
    finalize, getClass, notify, notifyAll, wait, wait, wait
  - Methods inherited from interface java.util.Map
    compute, computeIfAbsent, computeIfPresent, containsKey, equals, hashCode, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size

- Constructor Detail
  - LRUCache
```
public LRUCache(int cacheSize)
```
    Creates a new LRU cache with the given cache size
    
    Parameters:
    
    cacheSize - The number of entries to keep around.
- Method Detail
  - removeEldestEntry
```
protected boolean removeEldestEntry(Map.Entry<K,V> eldest)
```
    Overrides:
    
    removeEldestEntry in class LinkedHashMap<K,V>