X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=src%2Fapi%2Finternal%2FBamMultiReader_p.cpp;h=55ae61589f14db98e42868a5b2683a57862025a2;hb=8b4c010999a8d0c482d84bbf17c98dc4bbae02b7;hp=076f1bba9ac7e5a9e70d79a8e488f87e8f4fe2c2;hpb=9f1ce8c47aeadb6dc1320b52ee671c3341b97935;p=bamtools.git

diff --git a/src/api/internal/BamMultiReader_p.cpp b/src/api/internal/BamMultiReader_p.cpp
index 076f1bb..55ae615 100644
--- a/src/api/internal/BamMultiReader_p.cpp
+++ b/src/api/internal/BamMultiReader_p.cpp
@@ -2,7 +2,7 @@
 // BamMultiReader_p.cpp (c) 2010 Derek Barnett, Erik Garrison
 // Marth Lab, Department of Biology, Boston College
 // ---------------------------------------------------------------------------
-// Last modified: 10 October 2011 (DB)
+// Last modified: 14 October 2011 (DB)
 // ---------------------------------------------------------------------------
 // Functionality for simultaneously reading multiple BAM files
 // *************************************************************************
@@ -568,6 +568,10 @@ bool BamMultiReaderPrivate::PopNextCachedAlignment(BamAlignment& al, const bool
 // returns BAM file pointers to beginning of alignment data & resets alignment cache
 bool BamMultiReaderPrivate::Rewind(void) {
 
+    // skip if no readers open
+    if ( m_readers.empty() )
+        return true;
+
     // attempt to rewind files
     if ( !RewindReaders() ) {
         const string currentError = m_errorString;
@@ -623,22 +627,6 @@ void BamMultiReaderPrivate::SetErrorString(const string& where, const string& wh
     m_errorString = where + SEPARATOR + what;
 }
 
-// sets the index caching mode on the readers
-void BamMultiReaderPrivate::SetIndexCacheMode(const BamIndex::IndexCacheMode mode) {
-
-    // iterate over readers
-    vector<MergeItem>::iterator readerIter = m_readers.begin();
-    vector<MergeItem>::iterator readerEnd  = m_readers.end();
-    for ( ; readerIter != readerEnd; ++readerIter ) {
-        MergeItem& item = (*readerIter);
-        BamReader* reader = item.Reader;
-        if ( reader == 0 ) continue;
-
-        // set reader's index cache mode
-        reader->SetIndexCacheMode(mode);
-    }
-}
-
 bool BamMultiReaderPrivate::SetRegion(const BamRegion& region) {
 
     // NB: While it may make sense to track readers in which we can