增加注释

deployer/src/main/java/com/alibaba/otter/canal/deployer/CanalStater.java

@@ -12,6 +12,12 @@ import com.alibaba.otter.canal.rocketmq.CanalRocketMQProducer;
 import com.alibaba.otter.canal.server.CanalMQStarter;
 import com.alibaba.otter.canal.spi.CanalMQProducer;
 
+/**
+ * Canal server 启动类
+ *
+ * @author rewerma 2018-12-30 下午05:12:16
+ * @version 1.0.1
+ */
 public class CanalStater {
 
     private static final Logger logger          = LoggerFactory.getLogger(CanalStater.class);
@@ -21,6 +27,12 @@ public class CanalStater {
     private Thread              shutdownThread  = null;
     private CanalMQStarter      canalMQStarter  = null;
 
+    /**
+     * 启动方法
+     * 
+     * @param properties canal.properties 配置
+     * @throws Throwable
+     */
     synchronized void start(Properties properties) throws Throwable {
         String serverMode = CanalController.getProperty(properties, CanalConstants.CANAL_SERVER_MODE);
         if (serverMode.equalsIgnoreCase("kafka")) {
@@ -59,12 +71,17 @@ public class CanalStater {
 
         if (canalMQProducer != null) {
             canalMQStarter = new CanalMQStarter(canalMQProducer);
-            MQProperties mqProperties = buildMQPosition(properties);
+            MQProperties mqProperties = buildMQProperties(properties);
             canalMQStarter.start(mqProperties);
             controller.setCanalMQStarter(canalMQStarter);
         }
     }
 
+    /**
+     * 销毁方法，远程配置变更时调用
+     * 
+     * @throws Throwable
+     */
     synchronized void destroy() throws Throwable {
         if (controller != null) {
             controller.stop();
@@ -81,7 +98,13 @@ public class CanalStater {
         }
     }
 
-    private static MQProperties buildMQPosition(Properties properties) {
+    /**
+     * 构造MQ对应的配置
+     * 
+     * @param properties canal.properties 配置
+     * @return
+     */
+    private static MQProperties buildMQProperties(Properties properties) {
         MQProperties mqProperties = new MQProperties();
         String servers = CanalController.getProperty(properties, CanalConstants.CANAL_MQ_SERVERS);
         if (!StringUtils.isEmpty(servers)) {