[DATA] Isolate the format of page file

2016-01-11 22:49:13 -08:00
parent a662340fda
commit 36c389ac46
8 changed files with 235 additions and 122 deletions
--- a/src/data/sparse_page_source.h
+++ b/src/data/sparse_page_source.h
@@ -75,6 +75,8 @@ class SparsePageSource : public DataSource {
  std::string cache_prefix_;
  /*! \brief file pointer to the row blob file. */
  std::unique_ptr<dmlc::SeekStream> fi_;
+  /*! \brief Sparse page format file. */
+  std::unique_ptr<SparsePage::Format> format_;
  /*! \brief internal prefetcher. */
  dmlc::ThreadedIter<SparsePage> prefetcher_;
 };