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encapsulate MemoryKVCache<T>

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This commit is contained in:
Hazel K 2024-08-03 09:18:44 -04:00
parent 5496aa27db
commit 114b698034
2 changed files with 11 additions and 17 deletions
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4
packages/backend/src/core/CacheService.ts
View file

@ -135,14 +135,14 @@ export class CacheService implements OnApplicationShutdown {
if (user == null) {
this.userByIdCache.delete(body.id);
this.localUserByIdCache.delete(body.id);
for (const [k, v] of this.uriPersonCache.cache.entries()) {
for (const [k, v] of this.uriPersonCache.entries) {
if (v.value?.id === body.id) {
this.uriPersonCache.delete(k);
}
}
} else {
this.userByIdCache.set(user.id, user);
for (const [k, v] of this.uriPersonCache.cache.entries()) {
for (const [k, v] of this.uriPersonCache.entries) {
if (v.value?.id === user.id) {
this.uriPersonCache.set(k, user);
}

24
packages/backend/src/misc/cache.ts
View file

@ -187,22 +187,12 @@ export class RedisSingleCache<T> {
// TODO: メモリ節約のためあまり参照されないキーを定期的に削除できるようにする？
export class MemoryKVCache<T> {
/**
* データを持つマップ
* @deprecated これを直接操作するべきではない
*/
public cache: Map<string, { date: number; value: T; }>;
private lifetime: number;
private gcIntervalHandle: NodeJS.Timeout;
private readonly cache = new Map<string, { date: number; value: T; }>();
private readonly gcIntervalHandle = setInterval(() => this.gc(), 1000 * 60 * 3);
constructor(lifetime: MemoryKVCache<never>['lifetime']) {
this.cache = new Map();
this.lifetime = lifetime;
this.gcIntervalHandle = setInterval(() => {
this.gc();
}, 1000 * 60 * 3);
}
constructor(
private readonly lifetime: number,
) {}
@bindThis
/**
@ -298,6 +288,10 @@ export class MemoryKVCache<T> {
public dispose(): void {
clearInterval(this.gcIntervalHandle);
}
public get entries() {
return this.cache.entries();
}
}
export class MemorySingleCache<T> {