--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/fitting/FunctionFactory.java	Mon Feb 27 14:16:30 2012 +0000
@@ -0,0 +1,43 @@
+package de.intevation.flys.artifacts.math.fitting;
+
+import java.util.Collection;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+public final class FunctionFactory
+{
+    private static FunctionFactory instance;
+
+    private Map<String, Function> functions;
+
+    private FunctionFactory() {
+        functions = new LinkedHashMap<String, Function>();
+
+        registerFunction(new Log());
+        registerFunction(new Linear());
+        registerFunction(new LogLinear());
+        registerFunction(new Exp());
+        registerFunction(new Quad());
+        registerFunction(new Pow());
+    }
+
+    public static synchronized FunctionFactory getInstance() {
+        if (instance == null) {
+            instance = new FunctionFactory();
+        }
+        return instance;
+    }
+
+    public Function getFunction(String name) {
+        return functions.get(name);
+    }
+
+    public void registerFunction(Function function) {
+        functions.put(function.getName(), function);
+    }
+
+    public Collection<Function> getFunctions() {
+        return functions.values();
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :