1 files changed, 31 insertions, 0 deletions
diff --git a/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/fsm/IStateMachine.java b/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/fsm/IStateMachine.java
new file mode 100644
index 0000000000..9c5f2ff1e4
--- /dev/null
+++ b/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/fsm/IStateMachine.java
@@ -0,0 +1,31 @@
+package org.eclipse.net4j.util.fsm;
+
+
+public interface IStateMachine<SUBJECT>
+{
+  public int getStateCount();
+
+  public int getEventCount();
+
+  public String getStateName(int state);
+
+  public String getEventName(int event);
+
+  public ITransition<SUBJECT> getIdentityTransition();
+
+  public void process(SUBJECT subject, int event, Object data) throws Exception;
+
+  public void handle(int state, int event, ITransition<SUBJECT> transition);
+
+  public void handle(int state, int event, int newState);
+
+  public void ignore(int state, int event);
+
+  public void cancel(int state, int event);
+
+
+  public interface ITransition<SUBJECT>
+  {
+    public void process(SUBJECT subject, int event, Object data) throws Exception;
+  }
+}
+\ No newline at end of file