content: /*
   * Copyright 1999-2023 Alibaba Group Holding Ltd.
   *
   * Licensed 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.
   */
  
  package com.alibaba.nacos.plugin.control.tps.barrier;
  
  import com.alibaba.nacos.plugin.control.tps.barrier.creator.RuleBarrierCreator;
  import com.alibaba.nacos.plugin.control.tps.barrier.creator.LocalSimpleCountBarrierCreator;
  import com.alibaba.nacos.plugin.control.tps.request.TpsCheckRequest;
  import com.alibaba.nacos.plugin.control.tps.response.TpsCheckResponse;
  import com.alibaba.nacos.plugin.control.tps.rule.TpsControlRule;
  
  import java.util.concurrent.TimeUnit;
  
  /**
   * tps barrier for tps point.
   *
   * @author shiyiyue
   */
  @SuppressWarnings("PMD.AbstractClassShouldStartWithAbstractNamingRule")
  public abstract class TpsBarrier {
      
      protected RuleBarrierCreator ruleBarrierCreator;
      
      protected String pointName;
      
      protected RuleBarrier pointBarrier;
      
      public TpsBarrier(String pointName) {
          this.pointName = pointName;
          this.ruleBarrierCreator = new LocalSimpleCountBarrierCreator();
          this.pointBarrier = ruleBarrierCreator.createRuleBarrier(pointName, pointName, TimeUnit.SECONDS);
      }
      
      /**
       * apply tps.
       *
       * @param tpsCheckRequest tpsCheckRequest.
       * @return check current tps is allowed.
       */
      public abstract TpsCheckResponse applyTps(TpsCheckRequest tpsCheckRequest);
      
      public RuleBarrier getPointBarrier() {
          return pointBarrier;
      }
      
      public String getPointName() {
          return pointName;
      }
      
      /**
       * apply rule.
       *
       * @param newControlRule newControlRule.
       */
      public abstract void applyRule(TpsControlRule newControlRule);
  }
  