Mercurial > jhg
diff src/org/tmatesoft/hg/internal/DataAccessProvider.java @ 606:5daa42067e7c
Avoid mmap files when only few bytes are to be read
| author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
|---|---|
| date | Tue, 07 May 2013 14:16:35 +0200 |
| parents | ed243b668502 |
| children | e1b29756f901 |
line wrap: on
line diff
--- a/src/org/tmatesoft/hg/internal/DataAccessProvider.java Mon May 06 20:28:21 2013 +0200 +++ b/src/org/tmatesoft/hg/internal/DataAccessProvider.java Tue May 07 14:16:35 2013 +0200 @@ -84,14 +84,14 @@ return mapioBoundary == 0 ? Integer.MAX_VALUE : mapioBoundary; } - public DataAccess createReader(File f) { + public DataAccess createReader(File f, boolean shortRead) { if (!f.exists()) { return new DataAccess(); } try { FileChannel fc = new FileInputStream(f).getChannel(); long flen = fc.size(); - if (flen > mapioMagicBoundary) { + if (!shortRead && flen > mapioMagicBoundary) { // TESTS: bufLen of 1024 was used to test MemMapFileAccess return new MemoryMapFileAccess(fc, flen, mapioBufSize, context.getLog()); } else {