Auto-correct is always changing your name when I don't pay attention, I apologize Menaka. Steven
On Thu, Jun 23, 2016 at 2:45 PM, Steven Jacobs <[email protected]> wrote: > Melaka- One high level comment. I think it will be better to have > update-index take a single argument as we discussed (just the index > folder). The collection location can be saved as part of the metadata > information in the collection folder. > Steven > > On Wed, Jun 22, 2016 at 2:04 PM, Menaka Madushanka <[email protected]> > wrote: > >> Hello, >> >> This is the summary of the implementation. (Included in Pull Request >> message as well) >> >> *Update Index Query* >> The update-index query takes two arguments, collection directory and >> index directory. >> It shares some of the functionalities from build-index-on-collection >> query so, some changes were done to the following classes in order to use >> them in updating index process and to maximize code reuse >> >> >> 1. IndexConstructorUtil.java : Created a new function to get an >> instance of IndexDocumentBuilder which can be used in IndexUpdater.java >> class. >> 2. IndexDocumentBuilder.java : Added a new string filed containing >> the corresponding file path which is needed to retrieve a document related >> to an XML file. >> >> >> *Metadata handling* >> Here a POJO is created to properly manage the metadata for a file. >> (XmlMetadata.java) >> Currently it contains following fields. >> >> >> 1. File path >> 2. File Name (Not used) >> 3. Checksum String >> >> When storing metadata, a HashMap is created with file path as the key and >> XmlMetadata object. This map is then serialized and written to a file named >> metadata.file and stored in the same directory where the index is stored. >> >> *Update Index process* >> >> - If a file is detected as modified, the current index document >> related to that file is deleted and newly created index document is added. >> - If a new file is detected, a new index document will be created and >> added to the existing index. >> - If the file is deleted, delete the index document related to that >> file. >> - After every task, update the metadata object and after all >> processes completed, write the new metadata map to the file. >> >> Please review the pull request and merge. >> >> https://github.com/apache/vxquery/pull/62 >> >> Thank you >> Menaka >> >> >> -- >> *Menaka Madushanka Jayawardena* >> Faculty of Engineering, <http://www.pdn.ac.lk/eng> >> University of Peradeniyaya. >> LinkedIn <http://lk.linkedin.com/in/menakajayawardena> >> TP:- 071 885 1183/ 071 350 5470 >> > >
