本文整理汇总了C#中IndexDeletionPolicy.OnInit方法的典型用法代码示例。如果您正苦于以下问题：C# IndexDeletionPolicy.OnInit方法的具体用法？C# IndexDeletionPolicy.OnInit怎么用？C# IndexDeletionPolicy.OnInit使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IndexDeletionPolicy的用法示例。
在下文中一共展示了IndexDeletionPolicy.OnInit方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: IndexFileDeleter
//.........这里部分代码省略.........
// file segments_X exists when in fact it
// doesn't. So, we catch this and handle it
// as if the file does not exist
if (infoStream != null)
{
Message("init: hit FileNotFoundException when loading commit \"" + fileName + "\"; skipping this commit point");
}
sis = null;
}
catch (System.IO.IOException e)
{
if (SegmentInfos.GenerationFromSegmentsFileName(fileName) <= currentGen)
{
throw e;
}
else
{
// Most likely we are opening an index that
// has an aborted "future" commit, so suppress
// exc in this case
sis = null;
}
}
if (sis != null)
{
CommitPoint commitPoint = new CommitPoint(this,commitsToDelete, directory, sis);
if (sis.GetGeneration() == segmentInfos.GetGeneration())
{
currentCommitPoint = commitPoint;
}
commits.Add(commitPoint);
IncRef(sis, true);
if (lastSegmentInfos == null || sis.GetGeneration() > lastSegmentInfos.GetGeneration())
{
lastSegmentInfos = sis;
}
}
}
}
}
if (currentCommitPoint == null)
{
// We did not in fact see the segments_N file
// corresponding to the segmentInfos that was passed
// in. Yet, it must exist, because our caller holds
// the write lock. This can happen when the directory
// listing was stale (eg when index accessed via NFS
// client with stale directory listing cache). So we
// try now to explicitly open this commit point:
SegmentInfos sis = new SegmentInfos();
try
{
sis.Read(directory, segmentInfos.GetCurrentSegmentFileName());
}
catch (System.IO.IOException e)
{
throw new CorruptIndexException("failed to locate current segments_N file");
}
if (infoStream != null)
Message("forced open of current segments file " + segmentInfos.GetCurrentSegmentFileName());
currentCommitPoint = new CommitPoint(this, commitsToDelete, directory, sis);
commits.Add(currentCommitPoint);
IncRef(sis, true);
}
// We keep commits list in sorted order (oldest to newest):
commits.Sort();
// Now delete anything with ref count at 0. These are
// presumably abandoned files eg due to crash of
// IndexWriter.
System.Collections.Generic.IEnumerator<System.Collections.Generic.KeyValuePair<System.String, RefCount>> it = refCounts.GetEnumerator();
while (it.MoveNext())
{
System.String fileName = (System.String) it.Current.Key;
RefCount rc = (RefCount) refCounts[fileName];
if (0 == rc.count)
{
if (infoStream != null)
{
Message("init: removing unreferenced file \"" + fileName + "\"");
}
DeleteFile(fileName);
}
}
// Finally, give policy a chance to remove things on
// startup:
policy.OnInit(commits);
// Always protect the incoming segmentInfos since
// sometime it may not be the most recent commit
Checkpoint(segmentInfos, false);
startingCommitDeleted = currentCommitPoint.IsDeleted();
DeleteCommits();
}示例2: IndexFileDeleter
//.........这里部分代码省略.........
// as if the file does not exist
if (infoStream.IsEnabled("IFD"))
{
infoStream.Message("IFD", "init: hit FileNotFoundException when loading commit \"" + fileName + "\"; skipping this commit point");
}
sis = null;
}
catch (IOException e)
{
if (SegmentInfos.GenerationFromSegmentsFileName(fileName) <= currentGen && directory.FileLength(fileName) > 0)
{
throw e;
}
else
{
// Most likely we are opening an index that
// has an aborted "future" commit, so suppress
// exc in this case
sis = null;
}
}
if (sis != null)
{
CommitPoint commitPoint = new CommitPoint(CommitsToDelete, directory, sis);
if (sis.Generation == segmentInfos.Generation)
{
currentCommitPoint = commitPoint;
}
Commits.Add(commitPoint);
IncRef(sis, true);
if (LastSegmentInfos_Renamed == null || sis.Generation > LastSegmentInfos_Renamed.Generation)
{
LastSegmentInfos_Renamed = sis;
}
}
}
}
}
}
if (currentCommitPoint == null && currentSegmentsFile != null && initialIndexExists)
{
// We did not in fact see the segments_N file
// corresponding to the segmentInfos that was passed
// in. Yet, it must exist, because our caller holds
// the write lock. this can happen when the directory
// listing was stale (eg when index accessed via NFS
// client with stale directory listing cache). So we
// try now to explicitly open this commit point:
SegmentInfos sis = new SegmentInfos();
try
{
sis.Read(directory, currentSegmentsFile);
}
catch (IOException e)
{
throw new CorruptIndexException("failed to locate current segments_N file \"" + currentSegmentsFile + "\"");
}
if (infoStream.IsEnabled("IFD"))
{
infoStream.Message("IFD", "forced open of current segments file " + segmentInfos.SegmentsFileName);
}
currentCommitPoint = new CommitPoint(CommitsToDelete, directory, sis);
Commits.Add(currentCommitPoint);
IncRef(sis, true);
}
// We keep commits list in sorted order (oldest to newest):
CollectionUtil.TimSort(Commits);
// Now delete anything with ref count at 0. These are
// presumably abandoned files eg due to crash of
// IndexWriter.
foreach (KeyValuePair<string, RefCount> entry in RefCounts)
{
RefCount rc = entry.Value;
string fileName = entry.Key;
if (0 == rc.Count)
{
if (infoStream.IsEnabled("IFD"))
{
infoStream.Message("IFD", "init: removing unreferenced file \"" + fileName + "\"");
}
DeleteFile(fileName);
}
}
// Finally, give policy a chance to remove things on
// startup:
Policy.OnInit(Commits);
// Always protect the incoming segmentInfos since
// sometime it may not be the most recent commit
Checkpoint(segmentInfos, false);
StartingCommitDeleted = currentCommitPoint == null ? false : currentCommitPoint.Deleted;
DeleteCommits();
}