package com.dy.common.mw.channel.mqtt;
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import org.apache.commons.pool2.BasePooledObjectFactory;
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import org.apache.commons.pool2.PooledObject;
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import org.apache.commons.pool2.impl.DefaultPooledObject;
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import org.eclipse.paho.client.mqttv3.MqttClient;
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import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
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/**
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* @Author: liurunyu
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* @Date: 2025/6/4 11:16
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* @Description
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*/
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public class MqttClientPooledObjectFactory extends BasePooledObjectFactory<MqttClient> {
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private final String broker;
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private final String username;
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private final String password;
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public MqttClientPooledObjectFactory(String broker, String username, String password) {
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this.broker = broker;
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this.username = username;
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this.password = password;
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}
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@Override
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public MqttClient create() throws Exception {
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String clientId = MqttClient.generateClientId();
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MqttClient client = new MqttClient(broker, clientId);
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MqttConnectOptions options = new MqttConnectOptions();
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options.setUserName(username);
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options.setPassword(password.toCharArray());
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options.setAutomaticReconnect(true);
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options.setCleanSession(true);
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client.connect(options);
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return client;
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}
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@Override
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public PooledObject<MqttClient> wrap(MqttClient client) {
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return new DefaultPooledObject<>(client);
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}
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@Override
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public void destroyObject(PooledObject<MqttClient> p) throws Exception {
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MqttClient client = p.getObject();
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if (client.isConnected()) {
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client.disconnect();
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}
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client.close();
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}
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@Override
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public boolean validateObject(PooledObject<MqttClient> p) {
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MqttClient client = p.getObject();
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return client.isConnected();
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}
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}
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