1 files changed, 36 insertions, 0 deletions
diff --git a/src/java/com/cycling74/msp/MSPPerformer.java b/src/java/com/cycling74/msp/MSPPerformer.java
new file mode 100644
index 0000000..2201d82
--- /dev/null
+++ b/src/java/com/cycling74/msp/MSPPerformer.java
@@ -0,0 +1,36 @@
+package com.cycling74.msp;
+
+import java.lang.reflect.Method;
+
+/**
+ * Process signals with a single method. Like MSPObject except that
+ * the performer method will always be "perform" (and you override it).
+ */
+public abstract class MSPPerformer extends MSPObject implements MSPPerformable {
+
+    /**
+     * Called by PD with the dsp message is sended. This method will then
+     * call dspsetup and map the method "perform" has the performer method. 
+     * You don't have to override this method, use dspsetup if initialization
+     * needs to be done before the signals starts processing.
+     */
+    public Method dsp(MSPSignal[] in, MSPSignal[] out) {
+        dspsetup(in, out);
+        return getPerformMethod("perform");
+    }
+    
+    /**
+     * Initialize the dsp state of the MSPPerformable. Override this if 
+     * you have to initalize something before the signal starts 
+     * processing.
+     */
+    public void dspsetup(MSPSignal[] in, MSPSignal[] out) {
+    }
+
+    /**
+     * Process signal inlets/outlets. You must override this since it is
+     * the main processing method.
+     */
+    public abstract void perform(MSPSignal[] in, MSPSignal[] out);
+
+}