LRUMessageCache

java.lang.Object

java.util.AbstractMap<String,Integer>

java.util.HashMap<String,Integer>

java.util.LinkedHashMap<String,Integer>

ch.qos.logback.classic.turbo.LRUMessageCache

All Implemented Interfaces:: Serializable, Cloneable, Map<String,Integer>

class LRUMessageCache extends LinkedHashMap<String,Integer>

Clients of this class should only use the getMessageCountAndThenIncrement(String) method. Other methods inherited via LinkedHashMap are not thread safe.

Nested Class Summary

Nested classes/interfaces inherited from class AbstractMap
AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

Nested classes/interfaces inherited from interface Map
Map.Entry<K,V>
Field Summary

Fields

Modifier and Type

Field

Description

(package private) final int

cacheSize

private static final long

serialVersionUID
Constructor Summary

Constructors

Constructor

Description

LRUMessageCache(int cacheSize)
Method Summary

Modifier and Type

Method

Description

void

clear()

(package private) int

getMessageCountAndThenIncrement(String msg)

protected boolean

removeEldestEntry(Map.Entry eldest)

Methods inherited from class LinkedHashMap
containsValue, entrySet, forEach, get, getOrDefault, keySet, replaceAll, values

Methods inherited from class HashMap
clone, compute, computeIfAbsent, computeIfPresent, containsKey, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size

Methods inherited from class AbstractMap
equals, hashCode, toString

Methods inherited from class Object
finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface Map
compute, computeIfAbsent, computeIfPresent, containsKey, equals, hashCode, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size

Field Details
- serialVersionUID
  private static final long serialVersionUID
  
  See Also:
  
  Constant Field Values
- cacheSize
  
  final int cacheSize
Constructor Details
- LRUMessageCache
  
  LRUMessageCache(int cacheSize)
Method Details
- getMessageCountAndThenIncrement
  
  int getMessageCountAndThenIncrement(String msg)
- removeEldestEntry
  
  protected boolean removeEldestEntry(Map.Entry eldest)
  
  Overrides:
  
  removeEldestEntry in class LinkedHashMap<String,Integer>
- clear
  
  public void clear()
  
  Specified by:
  
  clear in interface Map<String,Integer>
  
  Overrides:
  
  clear in class LinkedHashMap<String,Integer>