Preview Generator Daemon for Cross-Application File Search
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Solution Overview
Problem
Current data processing systems lack an efficient method to search for metadata across various applications, limiting the ability to find specific files based on metadata attributes, and do not provide interactive previews of file content without launching the original application.
Innovation Solution
A method and system for managing data that includes displaying two-dimensional representations of documents, allowing search through metadata, and providing interactive previews of file content using a preview generator daemon and plug-ins, enabling searches across multiple applications and displaying file previews without launching the original application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing file management systems search through metadata for specific files, then users can locate files by metadata attributes, but the search is limited to individual applications and cannot search across multiple applications simultaneously
Solution Approach 1:
The operating system provides a universal search facility that can search metadata across multiple different applications simultaneously. The search facility is not limited to a single application but can query metadata from various applications (e.g., word processing, spreadsheets, presentations) using a single unified interface, making the search capability universally applicable across the entire system.
Solution Approach 2:
The operating system acts as an intermediary between the user and the various application programs. Instead of requiring users to search within each application separately, the OS provides a centralized search facility that mediates the search process, accessing metadata from multiple applications through system-level interfaces and returning unified search results.
2Ease of operation
If users want to preview file content without launching the original application, then users can view file previews interactively, but the system must provide mechanisms to extract and display content from different file types
Solution Approach 1:
The system creates visual copies or representations of file content that can be displayed without opening the original application. The preview facility generates simplified versions or thumbnails of documents, allowing users to view file content as visual copies rather than requiring full application launch, thus providing ease of operation while managing complexity through content representation.
3Loss of information
If the search facility indexes metadata from all applications, then comprehensive search results are achieved, but the indexing process requires significant system resources and time
Solution Approach 1:
The operating system performs preliminary indexing of metadata from applications during system operation. As applications write metadata to the file system, the OS proactively indexes this information in background processes, so that when users initiate a search, the metadata is already prepared and readily available, reducing search time while maintaining comprehensive coverage.
Solution Approach 2:
The metadata indexing process operates continuously in the background as applications use the file system. Rather than performing indexing only when needed, the system maintains continuous indexing operations that keep the metadata index updated and current, ensuring comprehensive search results are always available without requiring large one-time indexing operations.
Data Source
AI summary
This description relates to systems, methods and software architectures for providing previews of files, such as previews of content of the files without launching the applications which created those files. In one embodiment, a method includes receiving a first call, through a first API to obtain a preview of content of a file, the first call being made by a first application program and being received by a preview generator daemon, and generating a request to obtain a first plug-in from a set of plug-ins, the first plug-in being configured to process a file type of the file to produce content in a format which can be displayed by the first application program. Other methods, systems, computer readable media and software architectures are disclosed.