On 6/7/05, Chris D <[EMAIL PROTECTED]> wrote:
> Hi list,
>
> I've been trying to use lucene to index documents that change
> occasionally with fields that change frequently. When I add the
> contents of the file they are removed when I try to delete and readd
> the document. I and am using something like the following.
>
> public void index(String stuff, File f, boolean doContents){
> Document doc = new Document();
> writer.close()
> reader = IndexReader.open(directory);
> TermDocs td = reader.termDocs(new Term("fileid", fileid));
> //Load the document into memory and delete the document from the index.
> if(td.next()){
> doc = reader.document(tc.doc());
> reader.delect(new Term("fileid", fileid)); //*******
> }
> //We're done deleting so we can move along.
> reader.close();
> writer = new IndexWriter(...);
>
> doc.removeFields("stuff");
> doc.add(new Field("stuff", stuff, File.Store.YES, File.Index.TOKENIZED));
> //More fields...
>
> //If the contents need to be readded... Do so.
> if(doContents){
> doc.removeFields("contents");
> doc.add(new Field("contents", new FileReader(f), Field.TermVector.YES));
> //System.out.println(doc.get("contents"));
> }
> writeDoc(doc)
> }
>
> There are other fields in doc that will stay the same when it updates
> which is why I do the removeFields instead of just deleting the doc
> and replacing it.
>
> Now if I remove the reader.delete call that's starred the contents get
> added. (Albeit over and over again) If it remains then all of the
> contents go missing in the index. (Verified with Luke and by searching
> for contents:a* etc)
>
> I figure I'm missing something silly, hopefully someone can help me
> out, I've been fighting with this for a day or two now, with little
> progress, but many more printlns.
>
> Cheers,
> Chris
What I think is happening is that because "contents" isn't stored,
when I read the document and delete it I delete any of the information
that was held in that fied. Is there a way to retrieve that
information so that it doesn't disappear?
Chris
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