String[] flow = (String[]) aContext.getConfigParameterValue(PARAM_FLOW);
mSequence = new ArrayList();
for (int i = 0; i < flow.length; i++) {
String[] aes = flow[i].split(",");
if (aes.length == 1) {
mSequence.add(new SimpleStep(aes[0]));
} else {
Collection keys = new ArrayList();
keys.addAll(Arrays.asList(aes));
mSequence.add(new ParallelStep(keys));
}