Examples of org.apache.xindice.core.data.Key

org.apache.xindice.core.data.Key
Key extends Value by providing a hash value for the Key.

      StringBuffer sb = new StringBuffer(oidTemplate);
      String document = Long.toString(document_id, 16);
      sb.insert(32-document.length(), document);
      sb.setLength(32);


      return new Key(sb.toString());
   }

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      if ( key == null )
         return createNewOID();
      if ( key instanceof Key )
         return (Key)key;
      else
         return new Key(key.toString());
   }

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    *
    * @param document The Document
    * @return The new Object Identifier
    */
   public final Key insertDocument(Document document) throws DBException {
      Key key = createNewOID();
      putDocument(key, document /*, true */);
      // update the meta information if necessary
      updateCollectionMeta();
      return key;
   }

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    * @param key The Object's Key
    */
   public final void remove(Object key) throws DBException {
      checkFiler(FaultCodes.COL_NO_FILER);


      Key objKey = createNewKey(key);


      Document oldDoc = getDocument(objKey);
      if ( oldDoc != null )
         indexManager.removeDocument(objKey, oldDoc);


      if ( documentCache != null )
         documentCache.removeDocument(this, objKey);


      if ( !filer.deleteRecord(objKey) )
         throw new DBException(FaultCodes.COL_DOCUMENT_NOT_FOUND, "Document Does Not Exist");


      // update the meta for this collection if necessary
      updateCollectionMeta();
      // remove the document meta
      if( isMetaEnabled() )
      {
         getMetaSystemCollection().dropDocumentMeta(this,objKey.toString());
      }
      DBObserver.getInstance().dropDocument(this, objKey);
   }

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    * @return The Document
    */
   public final Document getDocument(Object docKey) throws DBException {
      checkFiler(FaultCodes.COL_NO_FILER);


      Key key = createNewKey(docKey);


      Document doc = null;
      if ( documentCache != null )
         doc = documentCache.getDocument(this, key);

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      final IndexPattern pattern = query.getPattern();


      try {
         query(query, new BTreeCallback() {
            public boolean indexInfo(Value value, long pos) {
               results.add(new IndexMatch(new Key(value), pattern));
               return true;
            }
         });
      }
      catch ( DBException e ) {

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            throw new FilerException(FaultCodes.GEN_CRITICAL_ERROR, "Error generating RecordSet", e);
         }
      }


      public synchronized boolean indexInfo(Value value, long pointer) {
         keys.add(new Key(value));
         return true;
      }

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            Record rec = rs.getNextRecord();


            if ( rec == null )
               continue;
            
            Key key = rec.getKey();
            Document doc = new DocumentImpl(rec.getValue().getData(), symbols, new NodeSource(collection, key));
            try {
               new SAXHandler(key, doc, ACTION_CREATE, list);
            }
            catch ( Exception e ) {

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         dataPos = keyPos + header.keyLen;
      }


      public synchronized Key getKey() {
         if ( header.keyLen > 0 )
            return new Key(data, keyPos, header.keyLen);
         else
            return null;
      }

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         return pos < files.length;
      }


      public synchronized Record getNextRecord() throws DBException {
         File file = files[pos++];
         return readRecord(new Key(file.getName()));
      }

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Related Classes of org.apache.xindice.core.data.Key

org.apache.xindice.core.Collection

org.apache.xindice.core.Collection$ColDocumentSet

org.apache.xindice.core.filer.BTreeFiler$BTreeFilerRecordSet

org.apache.xindice.core.filer.BTreeFilerTest

org.apache.xindice.core.filer.FilerTestBase

org.apache.xindice.core.filer.FilerTestCase

org.apache.xindice.core.filer.FSFiler$FSRecordSet

org.apache.xindice.core.filer.Paged$Page

org.apache.xindice.core.indexer.IndexManager

org.apache.xindice.core.indexer.LuceneIndexer

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