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-rw-r--r--src/jrummikub/util/Event.java23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/jrummikub/util/Event.java b/src/jrummikub/util/Event.java
new file mode 100644
index 0000000..0b2317f
--- /dev/null
+++ b/src/jrummikub/util/Event.java
@@ -0,0 +1,23 @@
+package jrummikub.util;
+
+import java.util.HashSet;
+
+public class Event implements IEvent {
+ private HashSet<IListener> listeners = new HashSet<IListener>();
+
+ @Override
+ public void add(IListener listener) {
+ listeners.add(listener);
+ }
+
+ @Override
+ public void remove(IListener listener) {
+ listeners.remove(listener);
+ }
+
+ public void fire() {
+ for (IListener listener : listeners) {
+ listener.fire();
+ }
+ }
+}