preparing journal module

journal/build.gradle.kts

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+description = "Umbrella : Journal"
+
+dependencies{
+    implementation(project(":bus"))
+    implementation(project(":core"))
+}
+

journal/src/main/java/de/srsoftware/umbrella/journal/Constants.java

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+/* © SRSoftware 2025 */
+package de.srsoftware.umbrella.journal;
+
+public class Constants {
+	public static final String CONFIG_DATABASE = "umbrella.modules.journal.database";
+}

journal/src/main/java/de/srsoftware/umbrella/journal/JournalDb.java

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+package de.srsoftware.umbrella.journal;
+
+public interface JournalDb {
+}

journal/src/main/java/de/srsoftware/umbrella/journal/JournalModule.java

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+package de.srsoftware.umbrella.journal;
+
+import de.srsoftware.configuration.Configuration;
+import de.srsoftware.umbrella.core.BaseHandler;
+import de.srsoftware.umbrella.core.ModuleRegistry;
+import de.srsoftware.umbrella.messagebus.EventListener;
+import de.srsoftware.umbrella.messagebus.events.Event;
+
+import static de.srsoftware.umbrella.core.ConnectionProvider.connect;
+import static de.srsoftware.umbrella.core.exceptions.UmbrellaException.missingFieldException;
+import static de.srsoftware.umbrella.journal.Constants.CONFIG_DATABASE;
+
+
+public class JournalModule extends BaseHandler implements EventListener {
+
+	private final SqliteDb journalDb;
+
+	public JournalModule(Configuration config){
+		super();
+		var dbFile = config.get(CONFIG_DATABASE).orElseThrow(() -> missingFieldException(CONFIG_DATABASE))
+		journalDb = new SqliteDb(connect(dbFile));
+		ModuleRegistry.add(this);
+	}
+
+	@Override
+	public void onEvent(Event event) {
+
+	}
+}

journal/src/main/java/de/srsoftware/umbrella/journal/SqliteDb.java

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+package de.srsoftware.umbrella.journal;
+
+import de.srsoftware.umbrella.core.BaseDb;
+
+import java.sql.Connection;
+
+public class SqliteDb extends BaseDb implements JournalDb{
+	public SqliteDb(Connection connection) {
+		super(connection);
+	}
+
+	protected int createTables() {
+		int currentVersion = createSettingsTable();
+		switch (currentVersion){
+			case 0:
+				createJournalTable();
+		}
+
+		return setCurrentVersion(1);
+	}
+}