001/*
002 *  Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
003 *  <p>
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *  <p>
008 *  http://www.apache.org/licenses/LICENSE-2.0
009 *  <p>
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package com.mybatisflex.core.audit;
017
018import java.util.concurrent.Executors;
019import java.util.concurrent.ScheduledExecutorService;
020import java.util.concurrent.TimeUnit;
021
022/**
023 * 默认的审计消息收集器，其收集消息后，定时通过消息发送器{@link MessageReporter}把消息发送过去
024 */
025public class ScheduledMessageCollector extends AbstractMessageCollector {
026
027    private final ScheduledExecutorService scheduler;
028
029    public ScheduledMessageCollector() {
030        this(10, new ConsoleMessageReporter());
031    }
032
033
034    public ScheduledMessageCollector(long period, MessageReporter messageSender) {
035        super(messageSender);
036        this.scheduler = Executors.newSingleThreadScheduledExecutor(runnable -> {
037            Thread thread = new Thread(runnable, "ScheduledMessageCollector");
038            thread.setDaemon(true);
039            return thread;
040        });
041        this.scheduler.scheduleAtFixedRate(this::doSendMessages, period, period, TimeUnit.SECONDS);
042    }
043
044    public void release() {
045        doSendMessages(); //clear the messages
046        scheduler.shutdown();
047    }
048
049}