@@ -0,0 +2,4 @@
+
+import java.util.*;
+
+/**

@@ -0,0 +3,4 @@
+import java.util.*;
+
+/**
+ * @param <C> the change types to store in this change manager

@@ -0,0 +15,4 @@
+	private int	markedIndex;
+
+	/**
+	 * Adds a change to the changes list.

@@ -0,0 +26,4 @@
+	}
+
+	/**
+	 * Undoes the change at the current index position.

@@ -0,0 +28,4 @@
+	/**
+	 * Undoes the change at the current index position.
+	 * 
+	 * @return whether the operation could be executed due to one being currently available

@@ -0,0 +43,4 @@
+	/**
+	 * Applies the change that was undone before.
+	 * 
+	 * @return whether the operation could be executed due to one being currently available

@@ -0,0 +56,4 @@
+	}
+
+	/**
+	 * Marks the current index.

@@ -0,0 +65,4 @@
+	}
+
+	/**
+	 * @return whether the current index was marked

@@ -0,0 +73,4 @@
+	}
+
+	/**
+	 * @return whether the undo operation is currently available

@@ -0,0 +81,4 @@
+	}
+
+	/**
+	 * @return whether the redo operation is currently available.

@@ -0,0 +11,4 @@
+ * @author Maximilian Käfer
+ * @since 0.0.1
+ */
+public final class ChangeManager<C extends Change> {

@@ -0,0 +37,4 @@
+	 */
+	public boolean undo() {
+		if (isUndoAvailable()) {
+			changes.get(index).invert().apply();

@@ -0,0 +39,4 @@
+		if (isUndoAvailable()) {
+			changes.get(index).invert().apply();
+			--index;
+			return true;

@@ -0,0 +54,4 @@
+		if (isRedoAvailable()) {
+			changes.get(index + 1).apply();
+			++index;
+			return true;