|  |  | 
 |  |  | package com.doumee.core.mqtt.config; | 
 |  |  |  | 
 |  |  | import com.doumee.config.SpringContextUtil; | 
 |  |  | import com.doumee.core.constants.Constants; | 
 |  |  | import com.doumee.core.mqtt.service.MqttPushCallback; | 
 |  |  | import com.doumee.core.mqtt.service.MqttSubService; | 
 |  |  | import com.doumee.core.mqtt.service.MqttToolService; | 
 |  |  | import org.eclipse.paho.client.mqttv3.MqttClient; | 
 |  |  | import org.eclipse.paho.client.mqttv3.MqttConnectOptions; | 
 |  |  | import org.eclipse.paho.client.mqttv3.MqttException; | 
 |  |  | import org.eclipse.paho.client.mqttv3.MqttTopic; | 
 |  |  | import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence; | 
 |  |  | import org.springframework.beans.factory.annotation.Autowired; | 
 |  |  |  | 
 |  |  | public class MqttClientInit { | 
 |  |  |         static MqttClient client; | 
 |  |  |         static MqttClient subClient; | 
 |  |  |  | 
 |  |  |         public static boolean isNeedReSub =false ; | 
 |  |  |         public static synchronized MqttClient getInstance(MqttConfig config ){ | 
 |  |  |             if(client !=null){ | 
 |  |  |                 if(!client.isConnected()){ | 
 |  |  |                     try { | 
 |  |  |                         client.reconnect(); | 
 |  |  |                     } catch (MqttException e) { | 
 |  |  |                         throw new RuntimeException(e); | 
 |  |  |                     } | 
 |  |  |                 } | 
 |  |  |                 return  client; | 
 |  |  |             } | 
 |  |  |  | 
 |  |  |             try { | 
 |  |  |                 // host为主机名,clientid即连接MQTT的客户端ID,一般以唯一标识符表示,MemoryPersistence设置clientid的保存形式,默认为以内存保存 | 
 |  |  | //                String clientId =config.getClientid()+ Constants.getUUID(); | 
 |  |  |                 String clientId =config.getClientid()+(int)(Math.random()*10000); | 
 |  |  |                 String clientId =config.getClientid() +config.getVersion(); | 
 |  |  |                 client = new org.eclipse.paho.client.mqttv3.MqttClient(config.getHost(), clientId,new MemoryPersistence()); | 
 |  |  |                 // MQTT的连接设置 | 
 |  |  |                 MqttConnectOptions   options = new MqttConnectOptions(); | 
 |  |  | 
 |  |  |         } | 
 |  |  |         public static synchronized MqttClient getSubInstance(MqttConfig config,MqttPushCallback callBack){ | 
 |  |  |             if(subClient !=null){ | 
 |  |  |                 refreshClient(); | 
 |  |  |                 return  subClient; | 
 |  |  |             } | 
 |  |  |             try { | 
 |  |  |                 // host为主机名,clientid即连接MQTT的客户端ID,一般以唯一标识符表示,MemoryPersistence设置clientid的保存形式,默认为以内存保存 | 
 |  |  | //                String clientId =config.getClientid()+ Constants.getUUID(); | 
 |  |  |                 String clientId =config.getClientid()+(int)(Math.random()*10000); | 
 |  |  |                 String clientId =config.getSubclientid() +config.getVersion(); | 
 |  |  |                 subClient = new org.eclipse.paho.client.mqttv3.MqttClient(config.getHost(), clientId,new MemoryPersistence()); | 
 |  |  |                 // MQTT的连接设置 | 
 |  |  |                 MqttConnectOptions   options = new MqttConnectOptions(); | 
 |  |  | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |  | 
 |  |  |         public static synchronized void isSubClientValid()   { | 
 |  |  |             if(isNeedReSub){ | 
 |  |  |                 MqttSubService service = SpringContextUtil.getBean(MqttSubService.class); | 
 |  |  |                 if(service!=null){ | 
 |  |  |                     service.startSubcribe(); | 
 |  |  |                 } | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |  | 
 |  |  |         public static synchronized void refreshClient() throws MqttException { | 
 |  |  |             if(client !=null){ | 
 |  |  |                 boolean result = client.isConnected(); | 
 |  |  |                    client.reconnect(); | 
 |  |  |         public static synchronized void refreshClient() { | 
 |  |  |             try { | 
 |  |  |                 if(subClient !=null &&  !subClient.isConnected()){ | 
 |  |  |                     subClient.reconnect(); | 
 |  |  |                 } | 
 |  |  |             }catch (Exception e){ | 
 |  |  |                 e.printStackTrace(); | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |  |