public bool Reload(IndexingConfiguration config)
{
// If we have a directory and the index container has not changed, we don't need to reload.
// We don't want to reload the index unless necessary.
var newStorageAccountConnectionString = config.StoragePrimary;
var newIndexContainerName = config.IndexContainer;
if (_directory != null &&
newStorageAccountConnectionString == _storageAccountConnectionString &&
newIndexContainerName == _indexContainerName)
{
return(false);
}
_storageAccountConnectionString = newStorageAccountConnectionString;
_indexContainerName = newIndexContainerName;
_logger.LogInformation("Recognized index configuration change.");
var storageAccount = CloudStorageAccount.Parse(_storageAccountConnectionString);
_logger.LogInformation(
"Reloading index with new settings. Storage Account Name = {StorageAccountName}, Container = {IndexContainerName}",
storageAccount, _indexContainerName);
var stopwatch = Stopwatch.StartNew();
AzureDirectory sourceDirectory;
if (string.IsNullOrEmpty(config.AzureDirectoryCachePath))
{
sourceDirectory = new AzureDirectory(storageAccount, _indexContainerName);
}
else
{
var azureDirectoryCachePath = Path.GetFullPath(Path.Combine(config.AzureDirectoryCachePath, _indexContainerName));
_logger.LogInformation("Using custom Azure Directory cache path: {AzureDirectoryCachePath}", azureDirectoryCachePath);
IODirectory.CreateDirectory(azureDirectoryCachePath);
var cacheDirectory = FSDirectory.Open(azureDirectoryCachePath);
sourceDirectory = new AzureDirectory(storageAccount, _indexContainerName, cacheDirectory);
}
_directory = new RAMDirectory(sourceDirectory); // Copy the directory from Azure storage to RAM.
_synchronizer = new AzureDirectorySynchronizer(sourceDirectory, _directory);
stopwatch.Stop();
_logger.LogInformation($"Index reload completed and took {stopwatch.Elapsed.Seconds} seconds.");
return(true);
}
/// <summary>
/// 获取Lucene目录
/// </summary>
/// <returns></returns>
public static string GetLuceneDirectory()
{
string luceneDirectory = null;
if (LuceneDirectory.LastIndexOf(Lucene_1_Directory) > 0)
{
luceneDirectory = LuceneDirectory.Replace(Lucene_1_Directory, Lucene_2_Directory);
}
else if (LuceneDirectory.LastIndexOf(Lucene_2_Directory) > 0)
{
luceneDirectory = LuceneDirectory.Replace(Lucene_2_Directory, Lucene_1_Directory);
}
else
{
luceneDirectory = IOHelper.CombinePath(LuceneDirectory, Lucene_1_Directory);
}
Global.Logger.LogWithTime("GetLuceneDirectory()::luceneDirectory=" + luceneDirectory, Logger.ELogLevel.Trace);
return(luceneDirectory);
}
