@Override
      public int hashCode() {
        int ret = 17 + getPath().hashCode() * 31;
        return ret * 31 + Bytes.hashCode(data);
      }
ZKUtilOp representing createAndFailSilent in ZooKeeper (attempt to create node, ignore error
if already exists)
hbase-zookeeper/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java