/// <summary> Commit changes resulting from delete, undeleteAll, or /// setNorm operations /// /// If an exception is hit, then either no changes or all /// changes will have been committed to the index /// (transactional semantics). /// </summary> /// <throws> IOException if there is a low-level IO error </throws> protected internal override void DoCommit() { if (hasChanges) { if (segmentInfos != null) { // Default deleter (for backwards compatibility) is // KeepOnlyLastCommitDeleter: IndexFileDeleter deleter = new IndexFileDeleter(directory, deletionPolicy == null ? new KeepOnlyLastCommitDeletionPolicy() : deletionPolicy, segmentInfos, null, null); // Checkpoint the state we are about to change, in // case we have to roll back: StartCommit(); bool success = false; try { CommitChanges(); segmentInfos.Write(directory); success = true; } finally { if (!success) { // Rollback changes that were made to // SegmentInfos but failed to get [fully] // committed. This way this reader instance // remains consistent (matched to what's // actually in the index): RollbackCommit(); // Recompute deletable files & remove them (so // partially written .del files, etc, are // removed): deleter.Refresh(); } } // Have the deleter remove any now unreferenced // files due to this commit: deleter.Checkpoint(segmentInfos, true); if (writeLock != null) { writeLock.Release(); // release write lock writeLock = null; } } else CommitChanges(); } hasChanges = false; }
/// <summary> Commit changes resulting from delete, undeleteAll, or /// setNorm operations /// /// If an exception is hit, then either no changes or all /// changes will have been committed to the index /// (transactional semantics). /// </summary> /// <throws> IOException if there is a low-level IO error </throws> protected internal override void DoCommit() { if (hasChanges) { if (segmentInfos != null) { // Default deleter (for backwards compatibility) is // KeepOnlyLastCommitDeleter: IndexFileDeleter deleter = new IndexFileDeleter(directory, deletionPolicy == null ? new KeepOnlyLastCommitDeletionPolicy() : deletionPolicy, segmentInfos, null, null); // Checkpoint the state we are about to change, in // case we have to roll back: StartCommit(); bool success = false; try { CommitChanges(); // sync all the files we just wrote for (int i = 0; i < segmentInfos.Count; i++) { SegmentInfo info = segmentInfos.Info(i); IList<string> files = info.Files(); for (int j = 0; j < files.Count; j++) { string fileName = files[j]; if (!synced.ContainsKey(fileName)) { System.Diagnostics.Debug.Assert(directory.FileExists(fileName)); directory.Sync(fileName); synced[fileName] = fileName; } } } segmentInfos.Commit(directory); success = true; } finally { if (!success) { // Rollback changes that were made to // SegmentInfos but failed to get [fully] // committed. This way this reader instance // remains consistent (matched to what's // actually in the index): RollbackCommit(); // Recompute deletable files & remove them (so // partially written .del files, etc, are // removed): deleter.Refresh(); } } // Have the deleter remove any now unreferenced // files due to this commit: deleter.Checkpoint(segmentInfos, true); if (writeLock != null) { writeLock.Release(); // release write lock writeLock = null; } } else CommitChanges(); } hasChanges = false; }
/// <summary> Commit changes resulting from delete, undeleteAll, or setNorm operations /// <p/> /// If an exception is hit, then either no changes or all changes will have been committed to the index (transactional /// semantics). /// /// </summary> /// <throws> IOException if there is a low-level IO error </throws> protected internal override void DoCommit(IDictionary<string, string> commitUserData) { if (hasChanges) { segmentInfos.UserData = commitUserData; // Default deleter (for backwards compatibility) is // KeepOnlyLastCommitDeleter: var deleter = new IndexFileDeleter(internalDirectory, deletionPolicy ?? new KeepOnlyLastCommitDeletionPolicy(), segmentInfos, null, null, synced); segmentInfos.UpdateGeneration(deleter.LastSegmentInfos); // Checkpoint the state we are about to change, in // case we have to roll back: StartCommit(); bool success = false; try { foreach (SegmentReader t in subReaders) t.Commit(); // Sync all files we just wrote foreach(string fileName in segmentInfos.Files(internalDirectory, false)) { if(!synced.Contains(fileName)) { System.Diagnostics.Debug.Assert(internalDirectory.FileExists(fileName)); internalDirectory.Sync(fileName); synced.Add(fileName); } } segmentInfos.Commit(internalDirectory); success = true; } finally { if (!success) { // Rollback changes that were made to // SegmentInfos but failed to get [fully] // committed. This way this reader instance // remains consistent (matched to what's // actually in the index): RollbackCommit(); // Recompute deletable files & remove them (so // partially written .del files, etc, are // removed): deleter.Refresh(); } } // Have the deleter remove any now unreferenced // files due to this commit: deleter.Checkpoint(segmentInfos, true); deleter.Dispose(); maxIndexVersion = segmentInfos.Version; if (writeLock != null) { writeLock.Release(); // release write lock writeLock = null; } } hasChanges = false; }
/// <summary> Commit changes resulting from delete, undeleteAll, or /// setNorm operations /// /// If an exception is hit, then either no changes or all /// changes will have been committed to the index /// (transactional semantics). /// </summary> /// <throws> IOException if there is a low-level IO error </throws> protected internal override void DoCommit() { if (hasChanges) { if (segmentInfos != null) { // Default deleter (for backwards compatibility) is // KeepOnlyLastCommitDeleter: IndexFileDeleter deleter = new IndexFileDeleter(directory, deletionPolicy == null ? new KeepOnlyLastCommitDeletionPolicy() : deletionPolicy, segmentInfos, null, null); // Checkpoint the state we are about to change, in // case we have to roll back: StartCommit(); bool success = false; try { CommitChanges(); // sync all the files we just wrote for (int i = 0; i < segmentInfos.Count; i++) { SegmentInfo info = segmentInfos.Info(i); IList <string> files = info.Files(); for (int j = 0; j < files.Count; j++) { string fileName = files[j]; if (!synced.ContainsKey(fileName)) { System.Diagnostics.Debug.Assert(directory.FileExists(fileName)); directory.Sync(fileName); synced[fileName] = fileName; } } } segmentInfos.Commit(directory); success = true; } finally { if (!success) { // Rollback changes that were made to // SegmentInfos but failed to get [fully] // committed. This way this reader instance // remains consistent (matched to what's // actually in the index): RollbackCommit(); // Recompute deletable files & remove them (so // partially written .del files, etc, are // removed): deleter.Refresh(); } } // Have the deleter remove any now unreferenced // files due to this commit: deleter.Checkpoint(segmentInfos, true); if (writeLock != null) { writeLock.Release(); // release write lock writeLock = null; } } else { CommitChanges(); } } hasChanges = false; }
/// <summary> Commit changes resulting from delete, undeleteAll, or setNorm operations /// <p/> /// If an exception is hit, then either no changes or all changes will have been committed to the index (transactional /// semantics). /// /// </summary> /// <throws> IOException if there is a low-level IO error </throws> protected internal override void DoCommit(System.Collections.IDictionary commitUserData) { if (hasChanges) { segmentInfos.SetUserData(commitUserData); // Default deleter (for backwards compatibility) is // KeepOnlyLastCommitDeleter: IndexFileDeleter deleter = new IndexFileDeleter(directory, deletionPolicy == null?new KeepOnlyLastCommitDeletionPolicy():deletionPolicy, segmentInfos, null, null); // Checkpoint the state we are about to change, in // case we have to roll back: StartCommit(); bool success = false; try { for (int i = 0; i < subReaders.Length; i++) subReaders[i].Commit(); // Sync all files we just wrote System.Collections.IEnumerator it = segmentInfos.Files(directory, false).GetEnumerator(); while (it.MoveNext()) { System.String fileName = (string)((System.Collections.DictionaryEntry) it.Current).Value; if (!synced.Contains(fileName)) { System.Diagnostics.Debug.Assert(directory.FileExists(fileName)); directory.Sync(fileName); SupportClass.CollectionsHelper.AddIfNotContains(synced, fileName); } } segmentInfos.Commit(directory); success = true; } finally { if (!success) { // Rollback changes that were made to // SegmentInfos but failed to get [fully] // committed. This way this reader instance // remains consistent (matched to what's // actually in the index): RollbackCommit(); // Recompute deletable files & remove them (so // partially written .del files, etc, are // removed): deleter.Refresh(); } } // Have the deleter remove any now unreferenced // files due to this commit: deleter.Checkpoint(segmentInfos, true); deleter.Close(); if (writeLock != null) { writeLock.Release(); // release write lock writeLock = null; } } hasChanges = false; }