clean-up

common/src/main/java/us/ajg0702/queue/commands/BaseCommand.java

@@ -20,6 +20,7 @@ public class BaseCommand implements IBaseCommand {
         return null;
     }
 
+    @SuppressWarnings("unused")
     @Override
     public ImmutableList<ISubCommand> getSubCommands() {
         return null;
@@ -35,6 +36,7 @@ public class BaseCommand implements IBaseCommand {
         return null;
     }
 
+    @SuppressWarnings("unused")
     @Override
     public void addSubCommand(ISubCommand subCommand) {
 

common/src/main/java/us/ajg0702/queue/common/QueueManagerImpl.java

@@ -14,12 +14,11 @@ import us.ajg0702.utils.common.TimeUtils;
 
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
 
 public class QueueManagerImpl implements QueueManager {
 
-    private List<QueueServer> servers = new ArrayList<>();
+    private final List<QueueServer> servers = new ArrayList<>();
 
     private final QueueMain main;
     private final Messages msgs;
@@ -283,7 +282,6 @@ public class QueueManagerImpl implements QueueManager {
 
     @Override
     public void sendMessages() {
-        if(servers == null) return;
         try {
             for(QueueServer server : servers) {
                 for(QueuePlayer queuePlayer : server.getQueue()) {

common/src/main/java/us/ajg0702/queue/common/TaskManager.java

@@ -109,6 +109,7 @@ public class TaskManager {
         return scheduleAtFixedRate(executor, command, 0, period, unit);
     }
 
+    @SuppressWarnings("UnusedReturnValue")
     public ScheduledFuture<?> runLater(Runnable runnable, long delay, TimeUnit unit) {
         return executor.schedule(runnable, delay, unit);
     }