com.alibaba.druid.util

类 LRUCache<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

java.util.LinkedHashMap<K,V>

com.alibaba.druid.util.LRUCache<K,V>

所有已实现的接口:

Serializable, Cloneable, Map<K,V>

public class LRUCache<K,V>
extends LinkedHashMap<K,V>

另请参阅:

序列化表格

嵌套类概要

从类继承的嵌套类/接口 java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

字段概要

字段

限定符和类型	字段和说明
private int	maxSize
private static long	serialVersionUID

构造器概要

构造器

构造器和说明
LRUCache(int maxSize)
LRUCache(int maxSize, int initialCapacity, float loadFactor, boolean accessOrder)

方法概要

限定符和类型	方法和说明
protected boolean	removeEldestEntry(Map.Entry<K,V> eldest)

从类继承的方法 java.util.LinkedHashMap

clear, containsValue, entrySet, forEach, get, getOrDefault, keySet, replaceAll, values

从类继承的方法 java.util.HashMap

clone, compute, computeIfAbsent, computeIfPresent, containsKey, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size

从类继承的方法 java.util.AbstractMap

equals, hashCode, toString

从类继承的方法 java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

从接口继承的方法 java.util.Map

compute, computeIfAbsent, computeIfPresent, containsKey, equals, hashCode, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size

字段详细资料

serialVersionUID

private static final long serialVersionUID

另请参阅:

常量字段值

maxSize

private final int maxSize

构造器详细资料

LRUCache

public LRUCache(int maxSize)

LRUCache

public LRUCache(int maxSize,
                int initialCapacity,
                float loadFactor,
                boolean accessOrder)

方法详细资料

removeEldestEntry

protected boolean removeEldestEntry(Map.Entry<K,V> eldest)

覆盖:

removeEldestEntry 在类中 LinkedHashMap<K,V>