org.apache.dubbo.common.utils

类 ConcurrentHashMapUtils

java.lang.Object

org.apache.dubbo.common.utils.ConcurrentHashMapUtils

public class ConcurrentHashMapUtils
extends Object

ConcurrentHashMap util

构造器概要

构造器

构造器和说明
ConcurrentHashMapUtils()

方法概要

限定符和类型	方法和说明
static <K,V> V	computeIfAbsent(ConcurrentMap<K,V> map, K key, Function<? super K,? extends V> func) A temporary workaround for Java 8 ConcurrentHashMap#computeIfAbsent specific performance issue: JDK-8161372.

从类继承的方法 java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ConcurrentHashMapUtils

public ConcurrentHashMapUtils()

方法详细资料

computeIfAbsent

public static <K,V> V computeIfAbsent(ConcurrentMap<K,V> map,
                                      K key,
                                      Function<? super K,? extends V> func)

A temporary workaround for Java 8 ConcurrentHashMap#computeIfAbsent specific performance issue: JDK-8161372.

另请参阅:

https://bugs.openjdk.java.net/browse/JDK-8161372