1 files changed, 40 insertions, 0 deletions
diff --git a/src/jrummikub/model/IStoneTray.java b/src/jrummikub/model/IStoneTray.java
new file mode 100644
index 0000000..a9afed3
--- /dev/null
+++ b/src/jrummikub/model/IStoneTray.java
@@ -0,0 +1,40 @@
+package jrummikub.model;
+
+import jrummikub.util.Pair;
+
+public interface IStoneTray<E extends Sizeable> extends
+		Iterable<Pair<E, Position>> {
+
+	/**
+	 * Removes object from tray and returns it
+	 * 
+	 * @param position
+	 *          position of the object that will be removed
+	 * @return the picked up stone
+	 */
+	public E pickUp(Position position);
+
+	/**
+	 * Adds object to the tray
+	 * 
+	 * @param object
+	 *          object to add to Hand
+	 * @param position
+	 *          {@link Position} to put the object
+	 */
+	public void drop(E object, Position position);
+
+	/**
+	 * Returns the position of an object that is already on the tray
+	 * 
+	 * @param object
+	 *          object whose position is requested
+	 * @return position of the object or null when the object is not on the tray
+	 */
+	public Position getPosition(E object);
+
+	public void pickUp(E object);
+
+	public IStoneTray<E> clone();
+
+}
+\ No newline at end of file