public void Persist(IndexDatabase indexDatabase)
{
IFormatter binaryFormatter = new BinaryFormatter();
string appDataFolderPath = Environment.GetEnvironmentVariable("appdata");
Directory.CreateDirectory(string.Format("{0}\\{1}",appDataFolderPath,"KMPSearcher"));
string indexDatabaseFileName = string.Format("{0}\\KMPSearcher\\KMPIDB.db", appDataFolderPath);
using (Stream idbStream = new FileStream(indexDatabaseFileName, FileMode.Create, FileAccess.Write))
{
binaryFormatter.Serialize(idbStream, indexDatabase);
idbStream.Close();
}
}
public void TestIndexDatabaseSerialization()
{
IndexRecord indexRecord1 = new IndexRecord(@"C:\DummyFile.txt",new List<int>() { 1,2,3,4,5 });
IndexRecord indexRecord2 = new IndexRecord(@"C:\DummyFile1.txt", new List<int>() { 1, 2, 3 });
List<IndexRecord> indexRecords = new List<IndexRecord>() { indexRecord1, indexRecord2 };
Dictionary<string,List<IndexRecord>> searchPatternToIndexRecords = new Dictionary<string,List<IndexRecord>>();
searchPatternToIndexRecords.Add("Test",indexRecords);
IndexDatabase indexDatabase = new IndexDatabase(searchPatternToIndexRecords,DateTime.Now);
//serialize the index database
IndexDatabaseWriter writer = new IndexDatabaseWriter();
writer.Persist(indexDatabase);
}
private void FetchFilesAndIndex(string[] filePathsToIndex)
{
foreach (string filePath in filePathsToIndex)
{
_directoryTreeWalker = new DirectoryTreeWalker();
_directoryTreeWalker.SearchSubDirectories = true;
_directoryTreeWalker.WalkTheTree(filePath);
List<string> files = _directoryTreeWalker.Files;
IndexInternal(files);
}
_indexDatabase = new IndexDatabase(_indexDatabaseEntries, DateTime.UtcNow);
//persist the entire database to the disk
IndexDatabaseWriter idbWriter = new IndexDatabaseWriter();
idbWriter.Persist(_indexDatabase);
}