@Override
        public Pair<Path, Path> call() throws IOException {
          if (moveFile(srcFs, srcP, destFs, dstP, conf, canRename)) {
            return pair;
          } else {
            throw new HCatException(ErrorType.ERROR_MOVE_FAILED,
                "Unable to move from " + srcP + " to " + dstP);
          }
        }
Bulk move files from source to destination.
@param srcFs the source filesystem where the source files are
@param destFs the destionation filesystem where the destionation files are
@param pairs list of pairs of <source_path, destination_path>, move source_path to destination_path
@throws java.io.IOException
hcatalog/core/src/main/java/org/apache/hive/hcatalog/mapreduce/FileOutputCommitterContainer.java