1 files changed, 122 insertions, 0 deletions
diff --git a/src/main/java/com/jsyn/unitgen/Circuit.java b/src/main/java/com/jsyn/unitgen/Circuit.java
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+++ b/src/main/java/com/jsyn/unitgen/Circuit.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.unitgen;
+
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
+
+import com.jsyn.engine.SynthesisEngine;
+import com.jsyn.ports.UnitPort;
+
+/**
+ * Contains a list of units that are executed together.
+ *
+ * @author Phil Burk (C) 2009 Mobileer Inc
+ */
+public class Circuit extends UnitGenerator {
+    private ArrayList<UnitGenerator> units = new ArrayList<UnitGenerator>();
+
+    private final LinkedHashMap<String, UnitPort> portAliases = new LinkedHashMap<String, UnitPort>();
+
+    @Override
+    public void generate(int start, int limit) {
+        for (UnitGenerator unit : units) {
+            unit.generate(start, limit);
+        }
+    }
+
+    /**
+     * Call flattenOutputs on subunits. Flatten output ports so we don't output a changing signal
+     * when stopped.
+     */
+    @Override
+    public void flattenOutputs() {
+        for (UnitGenerator unit : units) {
+            unit.flattenOutputs();
+        }
+    }
+
+    /**
+     * Call setEnabled on subunits.
+     */
+    @Override
+    public void setEnabled(boolean enabled) {
+        super.setEnabled(enabled);
+        for (UnitGenerator unit : units) {
+            unit.setEnabled(enabled);
+        }
+    }
+
+    /**
+     * @deprecated ignored, frameRate comes from the SynthesisEngine
+     * @param frameRate
+     */
+    @Deprecated
+    @Override
+    public void setFrameRate(int frameRate) {
+        super.setFrameRate(frameRate);
+        for (UnitGenerator unit : units) {
+            unit.setFrameRate(frameRate);
+        }
+    }
+
+    @Override
+    public void setSynthesisEngine(SynthesisEngine engine) {
+        super.setSynthesisEngine(engine);
+        for (UnitGenerator unit : units) {
+            unit.setSynthesisEngine(engine);
+        }
+    }
+
+    /** Add a unit to the circuit. */
+    public void add(UnitGenerator unit) {
+        units.add(unit);
+        unit.setCircuit(this);
+        // Propagate circuit properties down into subunits.
+        unit.setEnabled(isEnabled());
+    }
+
+    public void usePreset(int presetIndex) {
+    }
+
+
+    /**
+     * Add an alternate name for looking up a port.
+     * @param port
+     * @param alias
+     */
+    public void addPortAlias(UnitPort port, String alias) {
+        // Store in a hash table by an alternate name.
+        portAliases.put(alias.toLowerCase(), port);
+    }
+
+
+    /**
+     * Case-insensitive search for a port by its name or alias.
+     * @param portName
+     * @return matching port or null
+     */
+    @Override
+    public UnitPort getPortByName(String portName) {
+        UnitPort port = super.getPortByName(portName);
+        if (port == null) {
+            port = portAliases.get(portName.toLowerCase());
+        }
+        return port;
+    }
+
+}