first commit

src/main/java/com/andrewkydev/database/DatabaseProvider.java

@@ -0,0 +1,20 @@
+package com.andrewkydev.database;
+
+public final class DatabaseProvider {
+    private static volatile DatabaseApi api;
+
+    private DatabaseProvider() {
+    }
+
+    public static void set(DatabaseApi api) {
+        DatabaseProvider.api = api;
+    }
+
+    public static DatabaseApi get() {
+        DatabaseApi current = api;
+        if (current == null) {
+            throw new IllegalStateException("DatabaseApi is not initialized");
+        }
+        return current;
+    }
+}