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[Update] CacheStore-local 适配更改;

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[Update] LocalCacheStoreFactory 适配 CacheStore-api 对 CacheStoreFactory 的更改;
This commit is contained in:
LamGC 2020-09-12 02:59:40 +08:00
parent 4f877a03c2
commit 10c92d8812
Signed by: LamGC
GPG Key ID: 6C5AE2A913941E1D
1 changed files with 12 additions and 0 deletions
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ContentGrabbingJi-CacheStore-local/src/main/java/net/lamgc/cgj/bot/cache/local/LocalCacheStoreFactory.java vendored
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@ -26,6 +26,7 @@ import net.lamgc.cgj.bot.cache.convert.StringConverter;
* 最简单的缓存实现, 无持久化功能. * 最简单的缓存实现, 无持久化功能.
* @author LamGC * @author LamGC
*/ */
@Factory(name = "Local", priority = FactoryPriority.PRIORITY_LOWEST)
public class LocalCacheStoreFactory implements CacheStoreFactory { public class LocalCacheStoreFactory implements CacheStoreFactory {
@Override @Override
@ -48,4 +49,15 @@ public class LocalCacheStoreFactory implements CacheStoreFactory {
return new HashMapCacheStore<>(); return new HashMapCacheStore<>();
} }
/**
* 内存使用阀值.
* <p>当内存使用到了指定百分比时, 将禁止创建 CacheStore.
*/
private final static double MEMORY_USAGE_THRESHOLD = 85;
@Override
public boolean canGetCacheStore() {
Runtime runtime = Runtime.getRuntime();
double memoryUsedPercentage = (double) runtime.totalMemory() / runtime.maxMemory();
return memoryUsedPercentage < MEMORY_USAGE_THRESHOLD;
}
} }