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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 rate
*/
@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;
}
}
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