1 files changed, 48 insertions, 0 deletions
diff --git a/src/com/jsyn/ports/UnitFunctionPort.java b/src/com/jsyn/ports/UnitFunctionPort.java
new file mode 100644
index 0000000..e45241a
--- /dev/null
+++ b/src/com/jsyn/ports/UnitFunctionPort.java
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+/*
+ * Copyright 2009 Phil Burk, Mobileer Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.jsyn.ports;
+
+import com.jsyn.data.Function;
+
+/**
+ * Port for holding a Function object.
+ * 
+ * @author Phil Burk (C) 2009 Mobileer Inc
+ */
+public class UnitFunctionPort extends UnitPort {
+    private static NullFunction nullFunction = new NullFunction();
+    private Function function = nullFunction;
+
+    private static class NullFunction implements Function {
+        @Override
+        public double evaluate(double input) {
+            return 0.0;
+        }
+    }
+
+    public UnitFunctionPort(String name) {
+        super(name);
+    }
+
+    public void set(Function function) {
+        this.function = function;
+    }
+
+    public Function get() {
+        return function;
+    }
+}