dap4/d4core/src/main/java/dap4/core/data/DSPRegistry.java
synchronized public boolean
    registered(Class<? extends DSP> klass)
    {
        for(Registration r : registry) {
            if(r.dspclass == klass) return true;
        }
        return false;
    }
synchronized public boolean
    registered(Class<? extends DSP> klass)
    {
        for(Registration r : registry) {
            if(r.dspclass == klass) return true;
        }
        return false;
    }
See if a specific DSP is registered

@param klass Class for which to search