skywalking-backend-js-netease/lib/agent/protocol/command/CommandCache.js

The NodeJS agent for Apache SkyWalking

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CmdSerialNumCache = void 0;
/*!
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
class CmdSerialNumCache {
    constructor(capacity = 64) {
        this.capacity = capacity;
        this.list = [];
        this.map = new Map();
    }
    add(num) {
        if (this.list.length >= this.capacity) {
            const ret = this.list.shift();
            if (ret) {
                this.map.delete(ret);
            }
        }
        this.list.push(num);
        this.map.set(num, true);
    }
    contain(num) {
        return this.map.has(num);
    }
}
exports.CmdSerialNumCache = CmdSerialNumCache;
//# sourceMappingURL=CommandCache.js.map