Properties.IMetadataChecksummer which by default
returns the combined values of FileMetadata.COLLECTOR_LASTMODIFIED
and FileMetadata.COLLECTOR_SIZE, separated with an underscore
(e.g.CollectorExceptionIFilesystemOptionsProvider.IFileMetadataFetcher.FileSystemOptions for a given
FileObject.ICrawlDataStoreFactory.Copyright © 2014–2023 Norconex Inc.. All rights reserved.