protected override void HandleCommitPoints(IndexedItemsInfo itemsInfo, IndexSegmentsInfo segmentsInfo)
{
if (ShouldStoreCommitPoint(itemsInfo) && itemsInfo.HighestETag != null)
{
context.IndexStorage.StoreCommitPoint(indexId.ToString(), new IndexCommitPoint
{
HighestCommitedETag = itemsInfo.HighestETag,
TimeStamp = LastIndexTime,
SegmentsInfo = segmentsInfo ?? IndexStorage.GetCurrentSegmentsInfo(indexDefinition.Name, directory)
});
LastCommitPointStoreTime = SystemTime.UtcNow;
}
else if (itemsInfo.DeletedKeys != null && directory is RAMDirectory == false)
{
context.IndexStorage.AddDeletedKeysToCommitPoints(indexDefinition, itemsInfo.DeletedKeys);
}
}
protected bool Equals(IndexSegmentsInfo other)
{
var theSameNumberOfItems = ReferencedFiles.Count == other.ReferencedFiles.Count;
var theSameReferencedFiles = true;
if (theSameNumberOfItems)
{
if (ReferencedFiles.Any(file => other.ReferencedFiles.Contains(file) == false))
theSameReferencedFiles = false;
}
else
theSameReferencedFiles = false;
return theSameReferencedFiles &&
Generation == other.Generation &&
string.Equals(SegmentsFileName, other.SegmentsFileName) &&
IsIndexCorrupted.Equals(other.IsIndexCorrupted);
}
protected bool Equals(IndexSegmentsInfo other)
{
var theSameNumberOfItems = ReferencedFiles.Count == other.ReferencedFiles.Count;
var theSameReferencedFiles = true;
if (theSameNumberOfItems)
{
if (ReferencedFiles.Any(file => other.ReferencedFiles.Contains(file) == false))
{
theSameReferencedFiles = false;
}
}
else
{
theSameReferencedFiles = false;
}
return(theSameReferencedFiles &&
Generation == other.Generation &&
string.Equals(SegmentsFileName, other.SegmentsFileName) &&
IsIndexCorrupted.Equals(other.IsIndexCorrupted));
}
private IndexSegmentsInfo GetCurrentSegmentsInfo()
{
var segmentInfos = new SegmentInfos();
var result = new IndexSegmentsInfo();
try
{
segmentInfos.Read(directory);
result.Generation = segmentInfos.Generation;
result.SegmentsFileName = segmentInfos.GetCurrentSegmentFileName();
result.ReferencedFiles = segmentInfos.Files(directory, false);
}
catch (CorruptIndexException ex)
{
logIndexing.WarnException(string.Format("Could not read segment information for an index '{0}'", indexId), ex);
result.IsIndexCorrupted = true;
}
return(result);
}
protected override void HandleCommitPoints(IndexedItemsInfo itemsInfo, IndexSegmentsInfo segmentsInfo)
{
if (ShouldStoreCommitPoint(itemsInfo) && itemsInfo.HighestETag != null)
{
context.IndexStorage.StoreCommitPoint(indexId.ToString(), new IndexCommitPoint
{
HighestCommitedETag = itemsInfo.HighestETag,
TimeStamp = LastIndexTime,
SegmentsInfo = segmentsInfo ?? IndexStorage.GetCurrentSegmentsInfo(indexDefinition.Name, directory)
});
LastCommitPointStoreTime = SystemTime.UtcNow;
}
else if (itemsInfo.DeletedKeys != null && directory is RAMDirectory == false)
{
context.IndexStorage.AddDeletedKeysToCommitPoints(indexDefinition, itemsInfo.DeletedKeys);
}
}
public static IndexSegmentsInfo GetCurrentSegmentsInfo(string indexName, Lucene.Net.Store.Directory directory)
{
var segmentInfos = new SegmentInfos();
var result = new IndexSegmentsInfo();
try
{
segmentInfos.Read(directory);
result.Generation = segmentInfos.Generation;
result.SegmentsFileName = segmentInfos.GetCurrentSegmentFileName();
result.ReferencedFiles = segmentInfos.Files(directory, false);
}
catch (CorruptIndexException ex)
{
log.WarnException(string.Format("Could not read segment information for an index '{0}'", indexName), ex);
result.IsIndexCorrupted = true;
}
return result;
}
protected abstract void HandleCommitPoints(IndexedItemsInfo itemsInfo, IndexSegmentsInfo segmentsInfo);
protected override void HandleCommitPoints(IndexedItemsInfo itemsInfo, IndexSegmentsInfo segmentsInfo)
{
// MapReduce index does not store and use any commit points
}
protected override void HandleCommitPoints(IndexedItemsInfo itemsInfo, IndexSegmentsInfo segmentsInfo)
{
// MapReduce index does not store and use any commit points
}
