| // 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(); |
| } |
| } |