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java sdk for qcloud cos

There is a newer version: 5.6.238.2

package com.qcloud.cos.http;

import java.util.concurrent.TimeUnit;

import org.apache.http.conn.HttpClientConnectionManager;

// 用于监控空闲的连接池连接
public final class IdleConnectionMonitorThread extends Thread {
    private final HttpClientConnectionManager connMgr;
    private volatile boolean shutdown;

    private static final int MONITOR_INTERVAL_MS = 2000;
    private static final int IDLE_ALIVE_MS = 5000;

    public IdleConnectionMonitorThread(HttpClientConnectionManager connMgr) {
        super();
        this.connMgr = connMgr;
        this.shutdown = false;
    }

    @Override
    public void run() {
        try {
            while (!shutdown) {
                synchronized (this) {
                    wait(MONITOR_INTERVAL_MS);
                    // 关闭无效的连接
                    connMgr.closeExpiredConnections();
                    // 关闭空闲时间超过IDLE_ALIVE_MS的连接
                    connMgr.closeIdleConnections(IDLE_ALIVE_MS, TimeUnit.MILLISECONDS);
                }
            }
        } catch (InterruptedException e) {

        }
    }

    // 关闭后台连接
    public void shutdown() {
        shutdown = true;
        synchronized (this) {
            notifyAll();
        }
    }

}