Java tutorial
/** * The MIT License * Copyright (c) 2015 Estonian Information System Authority (RIA), Population Register Centre (VRK) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package ee.ria.xroad.proxy.serverproxy; import java.util.concurrent.TimeUnit; import org.apache.http.conn.HttpClientConnectionManager; import lombok.AccessLevel; import lombok.RequiredArgsConstructor; import lombok.Setter; import lombok.extern.slf4j.Slf4j; /** * Thread that periodically closes expired and idle connections. */ @Slf4j @RequiredArgsConstructor(access = AccessLevel.PUBLIC) public class IdleConnectionMonitorThread extends Thread { private static final int DEFAULT_IDLE_TIMEOUT = 1000; private static final int DEFAULT_MONITORING_INTERVAL = 5000; private final HttpClientConnectionManager connectionManager; private volatile boolean shutdown; @Setter private int intervalMilliseconds = DEFAULT_MONITORING_INTERVAL; @Setter private int connectionIdleTimeMilliseconds = DEFAULT_IDLE_TIMEOUT; void closeNow() { connectionManager.closeExpiredConnections(); connectionManager.closeIdleConnections(connectionIdleTimeMilliseconds, TimeUnit.MILLISECONDS); } @Override public void run() { while (!shutdown && !isInterrupted()) { try { sleep(intervalMilliseconds); closeNow(); } catch (InterruptedException ex) { log.warn("InterruptedException occurred: {}", ex); } } } public void shutdown() { shutdown = true; interrupt(); } }