Implemented sharding

src/main/java/io/rixa/Rixa.java

@@ -5,9 +5,19 @@ import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
 import io.rixa.data.config.Configuration;
 import io.rixa.utils.FileUtils;
 import lombok.Getter;
+import net.dv8tion.jda.core.AccountType;
+import net.dv8tion.jda.core.JDA;
+import net.dv8tion.jda.core.JDABuilder;
+import net.dv8tion.jda.core.OnlineStatus;
+import net.dv8tion.jda.core.entities.Game;
+import net.dv8tion.jda.core.exceptions.RateLimitedException;
+import net.dv8tion.jda.core.hooks.AnnotatedEventManager;
 
+import javax.security.auth.login.LoginException;
 import java.io.File;
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.logging.Logger;
 
 public class Rixa {
@@ -15,19 +25,47 @@ public class Rixa {
     private static Rixa instance;
     @Getter private Configuration configuration;
     @Getter private ObjectMapper objectMapper;
+    @Getter private List<JDA> shardList;
     @Getter private File defaultPath;
     @Getter private Logger logger;
+    @Getter private JDA jda;
 
     private Rixa() {
         instance = this;
         logger = Logger.getLogger(Rixa.class.getCanonicalName());
         objectMapper = new ObjectMapper(new YAMLFactory());
         defaultPath = new File("Rixa");
+        shardList = new ArrayList<>();
         defaultPath.mkdirs();
         loadConfiguration();
+        loadJDA();
         registerCommands();
     }
 
+    private void loadJDA() {
+        for (int i = 0; i < configuration.getShards(); i++) {
+            getLogger().info("Loading Shard #" + (i + 1) + "!");
+            try {
+                jda = new JDABuilder(AccountType.BOT)
+                        .setToken(configuration.getToken())
+                        .setGame(Game.of(configuration.getBotGame()))
+                        .setEventManager(new AnnotatedEventManager())
+                        .setAutoReconnect(true)
+                        .setStatus(OnlineStatus.ONLINE)
+                        .setAudioEnabled(true)
+                        .setEnableShutdownHook(false)
+                        .useSharding(i, configuration.getShards())
+                        .buildBlocking();
+                getShardList().add(jda);
+                getLogger().info("Shard #" + (i + 1) + " has been loaded");
+                Thread.sleep(5000);
+            } catch (LoginException | RateLimitedException | InterruptedException e) {
+                e.printStackTrace();
+            }
+        }
+        Runtime.getRuntime().addShutdownHook(new Thread(() -> getShardList().forEach(JDA::shutdown)));
+    }
+
     private void registerCommands() {}
 
     private void loadConfiguration() {

src/main/java/io/rixa/data/config/Configuration.java

@@ -8,9 +8,10 @@ import java.util.Map;
 
 public class Configuration {
 
-    @Getter @Setter private String token, botGame;
-    @Getter @Setter private List<String> botAdmins;
     @Getter @Setter private Map<String, String> sqlCredentials;
+    @Getter @Setter private List<String> botAdmins;
+    @Getter @Setter private String token, botGame;
+    @Getter @Setter private int shards;
 
     public Configuration() {}
 }

src/main/java/io/rixa/guild/RixaGuild.java

@@ -20,7 +20,7 @@ public class RixaGuild implements IGuild {
     }
 
     @Override
-    public void load() { }
+    public void load() {}
 
     @Override
     public void save() { }

src/main/java/io/rixa/guild/manager/GuildMapper.java

@@ -11,7 +11,6 @@ public class GuildMapper implements RowMapper<RixaGuild> {
     @Override
     public RixaGuild mapRow(ResultSet resultSet, int i) throws SQLException {
         RixaGuild guild = new RixaGuild(null);
-        guild.load(resultSet);
         // Register guild;
         return guild;
     }

src/main/resources/config.yml

@@ -1,5 +1,6 @@
 token: "YOUR_TOKEN_HERE"
 botGame: "Rixa 2.0 | http://rixa.io/invite"
+shards: 5
 botAdmins:
 - "YOUR_USER_ID_HERE"
 - "OTHER_ADMINS"