content: // 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.
  package org.apache.cloudstack.ratelimit;
  
  import java.util.concurrent.atomic.AtomicInteger;
  
  /**
   * Implementation of limit store entry.
   *
   */
  public class StoreEntryImpl implements StoreEntry {
  
      private final long expiry;
  
      private final AtomicInteger counter;
  
      StoreEntryImpl(int timeToLive) {
          this.expiry = System.currentTimeMillis() + timeToLive * 1000;
          this.counter = new AtomicInteger(0);
      }
  
      @Override
      public boolean isExpired() {
          return System.currentTimeMillis() > expiry;
      }
  
      @Override
      public long getExpireDuration() {
          if (isExpired())
              return 0; // already expired
          else {
              return expiry - System.currentTimeMillis();
          }
      }
  
      @Override
      public int incrementAndGet() {
          return this.counter.incrementAndGet();
      }
  
      @Override
      public int getCounter() {
          return this.counter.get();
      }
  }
  