public /*internal*/ ICollection <string> CreateCompoundFile(System.String fileName)
{
ICollection <string> files = GetMergedFiles();
CompoundFileWriter cfsWriter = new CompoundFileWriter(directory, fileName, checkAbort);
// Now merge all added files
foreach (var file in files)
{
cfsWriter.AddFile(file);
}
// Perform the merge
cfsWriter.Close();
return(files);
}
/// <summary>Tells the docWriter to close its currently open shared
/// doc stores (stored fields & vectors files).
/// Return value specifices whether new doc store files are compound or not.
/// </summary>
private bool FlushDocStores()
{
lock (this)
{
if (infoStream != null)
{
Message("flushDocStores segment=" + docWriter.DocStoreSegment);
}
bool useCompoundDocStore = false;
if (infoStream != null)
{
Message("closeDocStores segment=" + docWriter.DocStoreSegment);
}
System.String docStoreSegment;
bool success = false;
try
{
docStoreSegment = docWriter.CloseDocStore();
success = true;
}
finally
{
if (!success && infoStream != null)
{
Message("hit exception closing doc store segment");
}
}
if (infoStream != null)
{
Message("flushDocStores files=" + docWriter.ClosedFiles());
}
useCompoundDocStore = mergePolicy.UseCompoundDocStore(segmentInfos);
if (useCompoundDocStore && docStoreSegment != null && docWriter.ClosedFiles().Count != 0)
{
// Now build compound doc store file
if (infoStream != null)
{
Message("create compound file " + docStoreSegment + "." + IndexFileNames.COMPOUND_FILE_STORE_EXTENSION);
}
success = false;
int numSegments = segmentInfos.Count;
System.String compoundFileName = docStoreSegment + "." + IndexFileNames.COMPOUND_FILE_STORE_EXTENSION;
try
{
CompoundFileWriter cfsWriter = new CompoundFileWriter(directory, compoundFileName);
foreach(string file in docWriter.closedFiles)
{
cfsWriter.AddFile(file);
}
// Perform the merge
cfsWriter.Close();
success = true;
}
finally
{
if (!success)
{
if (infoStream != null)
Message("hit exception building compound file doc store for segment " + docStoreSegment);
deleter.DeleteFile(compoundFileName);
docWriter.Abort();
}
}
for (int i = 0; i < numSegments; i++)
{
SegmentInfo si = segmentInfos.Info(i);
if (si.DocStoreOffset != - 1 && si.DocStoreSegment.Equals(docStoreSegment))
si.DocStoreIsCompoundFile = true;
}
Checkpoint();
// In case the files we just merged into a CFS were
// not previously checkpointed:
deleter.DeleteNewFiles(docWriter.ClosedFiles());
}
return useCompoundDocStore;
}
}
/// <summary>Build compound file for the segment we just flushed </summary>
internal void CreateCompoundFile(System.String segment)
{
CompoundFileWriter cfsWriter = new CompoundFileWriter(directory, segment + "." + IndexFileNames.COMPOUND_FILE_EXTENSION);
foreach(string flushedFile in flushState.flushedFiles)
{
cfsWriter.AddFile(flushedFile);
}
// Perform the merge
cfsWriter.Close();
}
public /*internal*/ ICollection<string> CreateCompoundFile(System.String fileName)
{
ICollection<string> files = GetMergedFiles();
CompoundFileWriter cfsWriter = new CompoundFileWriter(directory, fileName, checkAbort);
// Now merge all added files
foreach(var file in files)
{
cfsWriter.AddFile(file);
}
// Perform the merge
cfsWriter.Close();
return files;
}