Package com.linecorp.armeria.common.util
Class LruMap<T,U>
- java.lang.Object
-
- java.util.AbstractMap<K,V>
-
- java.util.HashMap<K,V>
-
- java.util.LinkedHashMap<T,U>
-
- com.linecorp.armeria.common.util.LruMap<T,U>
-
- Type Parameters:
T
- the key typeU
- the value type
- All Implemented Interfaces:
Serializable
,Cloneable
,Map<T,U>
public class LruMap<T,U> extends LinkedHashMap<T,U>
LRU (Least Recently Used) cacheMap
.- 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>
-
-
Constructor Summary
Constructors Constructor Description LruMap(int maxEntries)
Creates a new instance with the specified maximum number of allowed entries.
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected boolean
removeEldestEntry(Map.Entry<T,U> eldest)
Returnstrue
if theHashMap.size()
of this map exceeds the maximum number of allowed entries.-
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
-
-
-
-
Method Detail
-
removeEldestEntry
protected boolean removeEldestEntry(Map.Entry<T,U> eldest)
Returnstrue
if theHashMap.size()
of this map exceeds the maximum number of allowed entries. Invoked byLinkedHashMap
for LRU behavior.- Overrides:
removeEldestEntry
in classLinkedHashMap<T,U>
-
-