feat: introduce a new sql module

build-extensions/src/main/kotlin/eu/cloudnetservice/cloudnet/gradle/util/Files.kt

@@ -19,7 +19,6 @@ package eu.cloudnetservice.cloudnet.gradle.util
 object Files {
 
   const val driver = "driver.jar"
-  const val common = "common.jar"
   const val wrapper = "wrapper.jar"
   const val launcher = "launcher.jar"
   const val launcherPatcher = "launcher-patcher.jar"
@@ -33,10 +32,9 @@ object Files {
   const val cloudflare = "cloudnet-cloudflare.jar"
   const val dockerizedServices = "cloudnet-dockerized-services.jar"
   const val databaseMongo = "cloudnet-database-mongodb.jar"
-  const val databaseMysql = "cloudnet-database-mysql.jar"
+  const val databaseSql = "cloudnet-database-sql.jar"
   const val labymod = "cloudnet-labymod.jar"
   const val npcs = "cloudnet-npcs.jar"
-  const val rest = "cloudnet-rest.jar"
   const val signs = "cloudnet-signs.jar"
   const val smart = "cloudnet-smart.jar"
   const val syncproxy = "cloudnet-syncproxy.jar"

driver/api/src/main/java/eu/cloudnetservice/driver/database/DatabaseProvider.java

@@ -45,6 +45,15 @@
  */
 public interface DatabaseProvider {
 
+  /**
+   * Gets if this database provider produces databases that are synced to the cluster. This means that every change made
+   * to the database will be directly visible to all components in the cluster rather than requiring a special sync.
+   * Normally synced databases are databases which are running as an external process, like MySQL or MongoDB.
+   *
+   * @return true if all modify operations are directly visible to all components in a cluster, false otherwise.
+   */
+  boolean synced();
+
   /**
    * Retrieves or creates non-blocking a facade for a database to write and read data to. The name of the database
    * should be unique for later identification.

gradle/libs.versions.toml

@@ -29,11 +29,15 @@ stringSimilarity = "2.0.0"
 cloudConfirmation = "1.0.0-rc.1"
 
 # databases
+jooq = "3.20.10"
 h2 = "1.4.197" # do not update, leads to database incompatibility
 xodus = "2.0.1"
 mongodb = "5.6.5"
 hikariCp = "7.0.2"
 mysqlConnector = "9.7.0"
+sqliteConnector = "3.51.1.0"
+postgresqlConnector = "42.7.9"
+mariadbConnector = "3.5.7"
 
 # general
 oshi = "6.9.2"
@@ -158,11 +162,15 @@ aerogelAuto = { group = "dev.derklaro.aerogel", name = "aerogel-auto", version.r
 aerogelScopedValues = { group = "dev.derklaro.aerogel", name = "aerogel-scoped-value-context-scope", version.ref = "aerogel" }
 
 # databases
+jooq = { group = "org.jooq", name = "jooq", version.ref = "jooq" }
 h2 = { group = "com.h2database", name = "h2", version.ref = "h2" }
 hikariCp = { group = "com.zaxxer", name = "HikariCP", version.ref = "hikariCp" }
 mongodb = { group = "org.mongodb", name = "mongodb-driver-sync", version.ref = "mongodb" }
 xodus = { group = "org.jetbrains.xodus", name = "xodus-environment", version.ref = "xodus" }
 mysqlConnector = { group = "com.mysql", name = "mysql-connector-j", version.ref = "mysqlConnector" }
+sqliteConnector = { group = "org.xerial", name = "sqlite-jdbc", version.ref = "sqliteConnector" }
+postgresqlConnector = { group = "org.postgresql", name = "postgresql", version.ref = "postgresqlConnector" }
+mariadbConnector = { group = "org.mariadb.jdbc", name = "mariadb-java-client", version.ref = "mariadbConnector" }
 
 # platform api
 nukkitX = { group = "cn.nukkit", name = "nukkit", version.ref = "nukkitX" }
@@ -203,7 +211,7 @@ aerogel = ["aerogel", "aerogelScopedValues", "aerogelAuto"]
 aerogelApi = ["aerogel", "aerogelAuto"]
 npcLib = ["npcLib", "npcLibLabymod"]
 unirest = ["unirest", "unirestGson"]
-mysql = ["mysqlConnector", "hikariCp"]
+sql = ["mysqlConnector", "hikariCp", "postgresqlConnector", "sqliteConnector", "mariadbConnector", "jooq"]
 jline = ["jlineReader", "jlineTerminal"]
 cloud = ["cloudCore", "cloudAnnotations", "cloudConfirmationProcessor"]
 cloudApi = ["cloudCoreApi", "cloudAnnotationsApi", "cloudConfirmationProcessor"]

modules/database-mongodb/impl/src/main/java/eu/cloudnetservice/modules/mongodb/impl/MongoDBDatabase.java

@@ -31,7 +31,6 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.function.BiConsumer;
 import lombok.NonNull;
 import org.bson.conversions.Bson;
 import org.jetbrains.annotations.Nullable;
@@ -169,11 +168,6 @@ public boolean delete(@NonNull String key) {
     return entries;
   }
 
-  @Override
-  public void iterate(@NonNull BiConsumer<String, Document> consumer) {
-    this.entries().forEach(consumer);
-  }
-
   @Override
   public void clear() {
     this.collection.deleteMany(new org.bson.Document());

modules/database-mongodb/impl/src/main/java/eu/cloudnetservice/modules/mongodb/impl/MongoDBDatabaseProvider.java

@@ -51,6 +51,11 @@ public boolean init() {
     return true;
   }
 
+  @Override
+  public boolean synced() {
+    return true;
+  }
+
   @Override
   public @NonNull LocalDatabase database(@NonNull String name) {
     return this.databaseCache.get(name, $ -> {