public Extract_words(Read_words readWords, Filter_words filterWords)
{
this.in_Process = _ => readWords.In_Process(_);
readWords.Out_WordsRead += filterWords.In_Process;
filterWords.Out_FilteredWords += _ => this.Out_WordsExtracted(_);
}
public IndexFiles()
{
// Build
var crawlDirTree = new Crawl_directory_tree();
var compileFiles = new Compile_files(crawlDirTree);
var readLines = new Read_text_lines();
var splitLinesIntoWords = new Split_lines_into_words();
var readWords = new Read_words(readLines, splitLinesIntoWords);
var filterWords = new Filter_words();
var extractWords = new Extract_words(readWords, filterWords);
var compileWords = new Compile_words();
var writeIndexToFile = new Write_index_to_file();
var buildIndex = new Build_index(compileWords, writeIndexToFile);
var logValidationError = new Log<string>(errMsg => "*** " + errMsg);
var logException = new Log<Exception>(ex => "*** " + ex.Message + '\n' + ex.StackTrace);
var handleEx = new HandleException<Tuple<string, string>>();
var asyncCompileFiles = new Asynchronize<Tuple<string, string>>();
var asyncBuildIndex = new Asynchronize<Tuple<string, string[]>>();
var countFilesFound = new CountItemsUntilNullForScatter<string>();
var parExtractWords = new Parallelize<string>();
var finishStreamOfFileWordsWithNull = new InsertNullAfterItemsForGather<Tuple<string, string[]>>();
// Bind
this.in_Process = _ => asyncCompileFiles.In_Process(_);
asyncCompileFiles.Out_ProcessSequentially += handleEx.In_Process;
handleEx.Out_Process += compileFiles.In_Process;
handleEx.Out_Exception += logException.In_Process;
logException.Out_Data += _ => this.Out_UnhandledException(_);
compileFiles.Out_FileFound += countFilesFound.In_Count;
compileFiles.Out_FileFound += filename =>
{
if (filename != null)
this.Out_FileFoundToIndex(filename);
};
countFilesFound.Out_Counted += parExtractWords.In_Process;
parExtractWords.Out_ProcessInParallel += extractWords.In_Process;
countFilesFound.Out_Count += finishStreamOfFileWordsWithNull.In_NumberOfItemsToGather;
extractWords.Out_WordsExtracted += finishStreamOfFileWordsWithNull.In_Process;
finishStreamOfFileWordsWithNull.Out_Gather += asyncBuildIndex.In_Process;
asyncBuildIndex.Out_ProcessSequentially += buildIndex.In_Process;
compileFiles.Out_IndexFilename += buildIndex.In_IndexFilename;
compileFiles.Out_ValidationError += logValidationError.In_Process;
logValidationError.Out_Data += _ => this.Out_ValidationError(_);
buildIndex.Out_Statistics += _ => this.Out_Statistics(_);
}