removed unused fields

dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/AlertServer.java

@@ -29,7 +29,6 @@ import org.apache.dolphinscheduler.alert.utils.PropertyUtils;
 import org.apache.dolphinscheduler.common.thread.Stopper;
 import org.apache.dolphinscheduler.dao.AlertDao;
 import org.apache.dolphinscheduler.dao.DaoFactory;
-import org.apache.dolphinscheduler.dao.PluginDao;
 import org.apache.dolphinscheduler.dao.entity.Alert;
 import org.apache.dolphinscheduler.remote.NettyRemotingServer;
 import org.apache.dolphinscheduler.remote.command.CommandType;
@@ -53,8 +52,6 @@ public class AlertServer {
      */
     private AlertDao alertDao = DaoFactory.getDaoInstance(AlertDao.class);
 
-    private PluginDao pluginDao = DaoFactory.getDaoInstance(PluginDao.class);
-
     private AlertSender alertSender;
 
     private static AlertServer instance;
@@ -114,7 +111,7 @@ public class AlertServer {
         NettyServerConfig serverConfig = new NettyServerConfig();
         serverConfig.setListenPort(ALERT_RPC_PORT);
         this.server = new NettyRemotingServer(serverConfig);
-        this.server.registerProcessor(CommandType.ALERT_SEND_REQUEST, new AlertRequestProcessor(alertDao, alertPluginManager, pluginDao));
+        this.server.registerProcessor(CommandType.ALERT_SEND_REQUEST, new AlertRequestProcessor(alertDao, alertPluginManager));
         this.server.start();
     }
 

dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/processor/AlertRequestProcessor.java

@@ -21,7 +21,6 @@ import org.apache.dolphinscheduler.alert.plugin.AlertPluginManager;
 import org.apache.dolphinscheduler.alert.runner.AlertSender;
 import org.apache.dolphinscheduler.common.utils.Preconditions;
 import org.apache.dolphinscheduler.dao.AlertDao;
-import org.apache.dolphinscheduler.dao.PluginDao;
 import org.apache.dolphinscheduler.remote.command.Command;
 import org.apache.dolphinscheduler.remote.command.CommandType;
 import org.apache.dolphinscheduler.remote.command.alert.AlertSendRequestCommand;
@@ -41,12 +40,10 @@ public class AlertRequestProcessor implements NettyRequestProcessor {
 
     private final Logger logger = LoggerFactory.getLogger(AlertRequestProcessor.class);
     private AlertDao alertDao;
-    private PluginDao pluginDao;
     private AlertPluginManager alertPluginManager;
 
-    public AlertRequestProcessor(AlertDao alertDao, AlertPluginManager alertPluginManager, PluginDao pluginDao) {
+    public AlertRequestProcessor(AlertDao alertDao, AlertPluginManager alertPluginManager) {
         this.alertDao = alertDao;
-        this.pluginDao = pluginDao;
         this.alertPluginManager = alertPluginManager;
     }
 

dolphinscheduler-alert/src/main/java/org/apache/dolphinscheduler/alert/runner/AlertSender.java

@@ -22,7 +22,6 @@ import org.apache.dolphinscheduler.common.enums.AlertStatus;
 import org.apache.dolphinscheduler.common.utils.CollectionUtils;
 import org.apache.dolphinscheduler.common.utils.JSONUtils;
 import org.apache.dolphinscheduler.dao.AlertDao;
-import org.apache.dolphinscheduler.dao.PluginDao;
 import org.apache.dolphinscheduler.dao.entity.Alert;
 import org.apache.dolphinscheduler.dao.entity.AlertPluginInstance;
 import org.apache.dolphinscheduler.remote.command.alert.AlertSendResponseCommand;

dolphinscheduler-alert/src/test/java/org/apache/dolphinscheduler/alert/processor/AlertRequestProcessorTest.java

@@ -19,7 +19,6 @@ package org.apache.dolphinscheduler.alert.processor;
 
 import org.apache.dolphinscheduler.alert.plugin.AlertPluginManager;
 import org.apache.dolphinscheduler.dao.AlertDao;
-import org.apache.dolphinscheduler.dao.PluginDao;
 import org.apache.dolphinscheduler.remote.command.Command;
 import org.apache.dolphinscheduler.remote.command.CommandType;
 import org.apache.dolphinscheduler.remote.command.alert.AlertSendRequestCommand;
@@ -37,7 +36,6 @@ import io.netty.channel.Channel;
 public class AlertRequestProcessorTest {
 
     private AlertDao alertDao;
-    private PluginDao pluginDao;
     private AlertPluginManager alertPluginManager;
 
     private AlertRequestProcessor alertRequestProcessor;
@@ -45,9 +43,8 @@ public class AlertRequestProcessorTest {
     @Before
     public void before() {
         alertDao = PowerMockito.mock(AlertDao.class);
-        pluginDao = PowerMockito.mock(PluginDao.class);
         alertPluginManager = PowerMockito.mock(AlertPluginManager.class);
-        alertRequestProcessor = new AlertRequestProcessor(alertDao,alertPluginManager,pluginDao);
+        alertRequestProcessor = new AlertRequestProcessor(alertDao, alertPluginManager);
     }
 
     @Test