private void initializeOutputs(Map<String, LogicalOutput> outputs) throws Exception {
for (Entry<String, LogicalOutput> entry : outputs.entrySet()) {
LogicalOutput output = entry.getValue();
LOG.info("Starting output " + output + " to vertex " + entry.getKey());
output.start();
if (output instanceof MROutput){
MROutput mrOut = (MROutput) output;
fileOutputs.add(mrOut);
}
}