public Sample currentSample() {
		Sample sample = _samples.get(_samples.size() - 1);
		if (sample.isFull()) {
			sample = sample.newSample();
			_samples.add(sample);
		}

		return sample;
	}
Return the current {@link Sample} object. A newly created object is
returned on demand.

@return the current {@link Sample} object
jenetics.tool/src/main/java/io/jenetics/tool/trial/Data.java