Add ConfigConverter

BauSystem_Main/src/de/steamwar/bausystem/configplayer/ConfigConverter.java

@@ -0,0 +1,29 @@
+package de.steamwar.bausystem.configplayer;
+
+import yapion.hierarchy.types.YAPIONObject;
+
+public interface ConfigConverter {
+
+    /**
+     * This describes the version this Converter can convert from. The version
+     * it should convert to is the version 1 above this number. But this is not
+     * a necessity. In the config Object as parameter given in {@link #update(YAPIONObject)}
+     * you should update the <b>@version</b> variable in the root object to the
+     * new version this converter produced.
+     *
+     * @return the version number
+     */
+    int version();
+
+    /**
+     * This method should update everything needed to go from a lower config
+     * version to a higher. It should update the <b>@version</b> variable
+     * accordingly. Anything else is up the implementation. If anything goes wrong
+     * do not silently exit this method, throw an Exception. The updater Code will
+     * deal with it. Never leave the inputted object in a corrupted state.
+     *
+     * @param config the config object to update
+     */
+    void update(YAPIONObject config);
+
+}