tiennm99/zfoo
1
0 Fork 0
mirror of https://github.com/tiennm99/zfoo.git synced 2026-10-16 02:15:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #143 from jobschen/LazyCache

Browse Source 
LazyCache - 锁机制调整
This commit is contained in:
jaysunxiao authored and GitHub committed 2025-03-06 10:56:31 +08:00
2 parents bcfb7780e6 875a121af4
commit 84ee4b0bef
1 file changed
+4 -4
Download Patch File Download Diff File Expand all files Collapse all files
scheduler/src/main/java/com/zfoo/scheduler/util/LazyCache.java
+4 -4
View File
@@ -8,7 +8,7 @@ import java.util.List;
import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap; import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.atomic.AtomicLong; import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.locks.ReentrantReadWriteLock; import java.util.concurrent.locks.ReentrantLock;
import java.util.function.BiConsumer; import java.util.function.BiConsumer;
/** /**
@@ -62,7 +62,7 @@ public class LazyCache<K, V> {
private ConcurrentMap<K, Cache<K, V>> cacheMap; private ConcurrentMap<K, Cache<K, V>> cacheMap;
private BiConsumer<List<Cache<K, V>>, RemovalCause> removeListener = (removes, removalCause) -> { private BiConsumer<List<Cache<K, V>>, RemovalCause> removeListener = (removes, removalCause) -> {
}; };
private final ReentrantReadWriteLock rwLock = new ReentrantReadWriteLock(); private final ReentrantLock lock = new ReentrantLock();
public LazyCache(int maximumSize, long expireAfterAccessMillis, long expireCheckIntervalMillis, BiConsumer<List<Cache<K, V>>, RemovalCause> removeListener) { public LazyCache(int maximumSize, long expireAfterAccessMillis, long expireCheckIntervalMillis, BiConsumer<List<Cache<K, V>>, RemovalCause> removeListener) {
AssertionUtils.ge1(maximumSize); AssertionUtils.ge1(maximumSize);
@@ -157,7 +157,7 @@ public class LazyCache<K, V> {
} }
private void checkMaximumSize() { private void checkMaximumSize() {
if (rwLock.writeLock().tryLock()) { // 获取写锁 if (lock.tryLock()) { // 获取写锁
try { try {
if (cacheMap.size() > backPressureSize) { if (cacheMap.size() > backPressureSize) {
var removeList = cacheMap.values() var removeList = cacheMap.values()
@@ -168,7 +168,7 @@ public class LazyCache<K, V> {
removeForCause(removeList, RemovalCause.SIZE); removeForCause(removeList, RemovalCause.SIZE);
} }
} finally { } finally {
rwLock.writeLock().unlock(); lock.unlock();
} }
} }
} }