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Diffstat (limited to 'src/jrummikub/util/Event3.java')
-rw-r--r-- | src/jrummikub/util/Event3.java | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/jrummikub/util/Event3.java b/src/jrummikub/util/Event3.java new file mode 100644 index 0000000..a309111 --- /dev/null +++ b/src/jrummikub/util/Event3.java @@ -0,0 +1,46 @@ +package jrummikub.util; + +import java.util.HashSet; + +/** + * Simple single parameter event generator + * + * @param <T1> + * type of the first event parameter + * @param <T2> + * type of the second event parameter + */ +public class Event3<T1, T2, T3> implements IEvent3<T1, T2, T3> { + private HashSet<IListener3<T1, T2, T3>> listeners = new HashSet<IListener3<T1, T2, T3>>(); + + @Override + public Connection add(final IListener3<T1, T2, T3> listener) { + listeners.add(listener); + return new Connection() { + + @Override + public void remove() { + Event3.this.remove(listener); + } + }; + } + + @Override + public void remove(IListener3<T1, T2, T3> listener) { + listeners.remove(listener); + } + + /** + * Generate a single event + * + * @param value1 + * the first event parameter + * @param value2 + * the second event parameter + */ + public void emit(T1 value1, T2 value2, T3 value3) { + for (IListener3<T1, T2, T3> listener : listeners) { + listener.handle(value1, value2, value3); + } + } +} |