1 files changed, 0 insertions, 57 deletions
diff --git a/main/src/cgeo/geocaching/utils/ISubject.java b/main/src/cgeo/geocaching/utils/ISubject.java
deleted file mode 100644
index c325db0..0000000
--- a/main/src/cgeo/geocaching/utils/ISubject.java
+++ /dev/null
@@ -1,57 +0,0 @@
-package cgeo.geocaching.utils;
-
-/**
- * Interface for subjects objects. Those can be observed by objects implementing the {@link IObserver} interface.
- *
- * @param <T>
- *         the kind of data to observe
- */
-
-public interface ISubject<T> {
-
-    /**
-     * Add an observer to the observers list.
-     * <p/>
-     * Observers will be notified with no particular order.
-     *
-     * @param observer
-     *         the observer to add
-     * @return true if the observer has been added, false if it was present already
-     */
-    public boolean addObserver(final IObserver<? super T> observer);
-
-    /**
-     * Delete an observer from the observers list.
-     *
-     * @param observer
-     *         the observer to remove
-     * @return true if the observer has been removed, false if it was not in the list of observers
-     */
-    public boolean deleteObserver(final IObserver<? super T> observer);
-
-    /**
-     * Number of observers currently observing the object.
-     *
-     * @return the number of observers
-     */
-    public int sizeObservers();
-
-    /**
-     * Notify all the observers that new data is available.
-     * <p/>
-     * The {@link IObserver#update(Object)} method of each observer will be called with no particular order.
-     * 
-     * @param data
-     *            the updated data
-     * @return true if at least one observer was notified, false if there were no observers
-     */
-    public boolean notifyObservers(final T data);
-
-    /**
-     * Clear the observers list.
-     *
-     * @return true if there were observers before calling this method, false if the observers list was empty
-     */
-    public boolean clearObservers();
-
-}