PortMixer.java 文件源码

Port getPort(int index) {
    if (ports == null) {
        ports = new PortMixerPort[portInfos.length];
    }
    if (ports[index] == null) {
        ports[index] = new PortMixerPort((Port.Info)portInfos[index], this, index);
        return ports[index];
    }
    // $$fb TODO: return (Port) (ports[index].clone());
    return ports[index];
}