1 files changed, 23 insertions, 0 deletions
diff --git a/src/jrummikub/util/Event1.java b/src/jrummikub/util/Event1.java
new file mode 100644
index 0000000..e8ccb43
--- /dev/null
+++ b/src/jrummikub/util/Event1.java
@@ -0,0 +1,23 @@
+package jrummikub.util;
+
+import java.util.HashSet;
+
+public class Event1<T> implements IEvent1<T> {
+  private HashSet<IListener1<T>> listeners = new HashSet<IListener1<T>>();
+  
+  @Override
+  public void add(IListener1<T> listener) {
+    listeners.add(listener);
+  }
+
+  @Override
+  public void remove(IListener1<T> listener) {
+    listeners.remove(listener);
+  }
+
+  public void fire(T value) {
+    for (IListener1<T> listener : listeners) {
+      listener.fire(value);
+    }
+  }
+}