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!300 [优化] 缓存模块中缓存命中数计数器的优化

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Merge pull request !300 from HaoRan/v5-dev
This commit is contained in:
Looly 2021-04-06 10:46:42 +08:00 committed by Gitee
commit 78431520e4
1 changed files with 8 additions and 8 deletions
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16
hutool-cache/src/main/java/cn/hutool/cache/impl/AbstractCache.java vendored
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@ -9,7 +9,7 @@ import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.LongAdder;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.concurrent.locks.StampedLock;
@ -58,11 +58,11 @@ public abstract class AbstractCache<K, V> implements Cache<K, V> {
/**
* 命中数，即命中缓存计数
*/
protected AtomicLong hitCount = new AtomicLong();
protected LongAdder hitCount = new LongAdder();
/**
* 丢失数，即未命中缓存计数
*/
protected AtomicLong missCount = new AtomicLong();
protected LongAdder missCount = new LongAdder();
/**
* 缓存监听
@ -133,14 +133,14 @@ public abstract class AbstractCache<K, V> implements Cache<K, V> {
* @return 命中数
*/
public long getHitCount() {
return hitCount.get();
return hitCount.sum();
}
/**
* @return 丢失数
*/
public long getMissCount() {
return missCount.get();
return missCount.sum();
}
@Override
@ -188,10 +188,10 @@ public abstract class AbstractCache<K, V> implements Cache<K, V> {
// 未命中
if (null == co) {
missCount.getAndIncrement();
missCount.increment();
return null;
} else if (false == co.isExpired()) {
hitCount.getAndIncrement();
hitCount.increment();
return co.get(isUpdateLastAccess);
}
@ -368,7 +368,7 @@ public abstract class AbstractCache<K, V> implements Cache<K, V> {
final CacheObj<K, V> co = cacheMap.remove(key);
if (withMissCount) {
// 在丢失计数有效的情况下，移除一般为get时的超时操作，此处应该丢失数+1
this.missCount.getAndIncrement();
this.missCount.increment();
}
return co;
}