SCL Function registry for emulating listeners

[simantics/interop.git] / org.simantics.interop.scl / src / org / simantics / interop / scl / FunctionRegistry.java

diff --git a/org.simantics.interop.scl/src/org/simantics/interop/scl/FunctionRegistry.java b/org.simantics.interop.scl/src/org/simantics/interop/scl/FunctionRegistry.java
new file mode 100644 (file)
index 0000000..003a50a
--- /dev/null
+++ b/org.simantics.interop.scl/src/org/simantics/interop/scl/FunctionRegistry.java
@@ -0,0 +1,82 @@
+package org.simantics.interop.scl;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.simantics.scl.runtime.function.Function;
+import org.simantics.utils.datastructures.MapList;
+
+@SuppressWarnings({"rawtypes","unchecked"})
+public class FunctionRegistry {
+    
+    
+    static Map<Object, MapList<String, Function>> map = new HashMap<Object, MapList<String,Function>>();
+    
+    public static void register(Object key, String name, Function f) {
+        MapList<String, Function> fmap = map.get(key);
+        if (fmap == null) {
+            fmap = new MapList<>();
+            map.put(key, fmap);
+        }
+        fmap.add(name, f);
+    }
+    
+    public static void call0 (Object key, String name) {
+        MapList<String, Function> fmap = map.get(key);
+        if (fmap == null)
+            return;
+        for (Function f : fmap.getValues(name)) {
+            f.apply(null);
+        }
+    }
+    
+    
+    public static void call1 (Object key, String name, Object o1) {
+        MapList<String, Function> fmap = map.get(key);
+        if (fmap == null)
+            return;
+        for (Function f : fmap.getValues(name)) {
+            f.apply(o1);
+        }
+    }
+    
+    public static void call2 (Object key, String name, Object o1, Object o2) {
+        MapList<String, Function> fmap = map.get(key);
+        if (fmap == null)
+            return;
+        for (Function f : fmap.getValues(name)) {
+            f.apply(o1,o2);
+        }
+    }
+    
+    public static void call3 (Object key, String name, Object o1, Object o2, Object o3) {
+        MapList<String, Function> fmap = map.get(key);
+        if (fmap == null)
+            return;
+        for (Function f : fmap.getValues(name)) {
+            f.apply(o1,o2,o3);
+        }
+    }
+    
+    public static void call4 (Object key, String name, Object o1, Object o2, Object o3, Object o4) {
+        MapList<String, Function> fmap = map.get(key);
+        if (fmap == null)
+            return;
+        for (Function f : fmap.getValues(name)) {
+            f.apply(o1,o2,o3,o4);
+        }
+    }
+    
+    public static void clear(Object key) {
+        map.remove(key);
+    }
+    
+    public static void clear(Object key, String name) {
+        MapList<String, Function> fmap = map.get(key);
+        if (fmap == null)
+            return;
+        fmap.remove(name);
+    }
+    
+
+}