ts-api-core
Version:
Nodejs api framework core
154 lines • 5.34 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CacheAccess = void 0;
const ioc_decorator_1 = require("../../mvc/ioc.decorator");
const package_loader_1 = require("../package.loader");
/**
* Redis 缓存数据通道
*/
let CacheAccess = class CacheAccess extends ioc_decorator_1.BaseProvider {
onFree() {
this.quitClient();
}
get redis() {
if (!this._redis) {
this._redis = package_loader_1.PackageLoader.load('redis');
}
return this._redis;
}
/**
* 获取一个redis客户端
*/
getRedis() {
if (this._client)
return this._client;
const client = this.redis.createClient({
host: this.config.host,
port: this.config.port,
username: this.config.username,
password: this.config.password,
});
this._client = client;
return client;
}
/** 初始化客户端， 允许不初始化， 每次临时生成 */
initClient() {
this.getRedis();
}
/** 关闭客户端 */
quitClient() {
if (this._client) {
this._client.quit();
this._client = undefined;
}
}
execute(doTask) {
return new Promise((resolve, reject) => {
const isTemp = !this._client;
const client = this.getRedis();
const task = doTask(client);
task.then((data) => {
if (isTemp) {
this.quitClient();
}
resolve(data);
}).catch(e => {
if (isTemp) {
this.quitClient();
}
reject(e);
});
});
}
/**
* redis.get
* @param key 缓存的key
*/
get(key) {
return __awaiter(this, void 0, void 0, function* () {
const value = yield this.execute((client) => client.get(key));
return value !== null && value !== void 0 ? value : '';
});
}
/**
* redis.set
* @param key 缓存的key
* @param value 缓存的值
* @param expire (可选) 缓存有效期 单位秒
*/
set(key, value, expire) {
return this.execute((client) => expire !== undefined && expire > 0
? client.setEx(key, expire, value)
: client.set(key, value));
}
/**
* redis.del 删除
* @param key 需要删除的key
*/
remove(key) {
return this.execute((client) => client.del(key));
}
/**
* 检查key是否存在
* @param key
*/
exists(key) {
return this.execute((client) => client.exists(key));
}
/**
* 设置key的有效期 单位秒
* @param key
* @param ttl 有效期 单位秒
*/
expire(key, ttl) {
return this.execute((client) => client.expire(key, ttl));
}
/**
* Set the string value of a key and return its old value.
* if old value not exists,return nil
* @param key
* @param value new value
*/
getSet(key, value) {
return __awaiter(this, void 0, void 0, function* () {
const data = yield this.execute((client) => client.getSet(key, value));
return data !== null && data !== void 0 ? data : '';
});
}
/**
* 查找key
* @param partykey
*/
search(partykey) {
return this.execute((client) => client.keys(partykey));
}
/**
* Set the value of a key, only if the key does not exist.
* 设置成功，返回 1 。 设置失败，返回 0 。
* @param key
* @param value
*/
setNX(key, value) {
return this.execute((client) => client.setNX(key, value));
}
};
CacheAccess = __decorate([
(0, ioc_decorator_1.Provide)()
], CacheAccess);
exports.CacheAccess = CacheAccess;
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