if (mapJoinWork != null) {
for (BaseWork myWork: mapJoinWork) {
// link the work with the work associated with the reduce sink that triggered this rule
TezWork tezWork = context.currentTask.getWork();
LOG.debug("connecting "+parentWork.getName()+" with "+myWork.getName());
tezWork.connect(parentWork, myWork, edgeProp);
ReduceSinkOperator r = null;
if (parentRS.getConf().getOutputName() != null) {
LOG.debug("Cloning reduce sink for multi-child broadcast edge");
// we've already set this one up. Need to clone for the next work.