String dim = DIMENSIONS[random.nextInt(DIMENSIONS.length)];
// we should only increment the expected count by 1 per document
docDimensions.add(dim);
categories.add(new CategoryPath(dim, Integer.toString(i), Integer.toString(numCategories)));
}
facetFields.addFields(doc, categories);
doc.add(new StringField("docid", Integer.toString(i), Store.YES));
doc.add(new TextField("foo", "content" + i, Store.YES));
indexWriter.addDocument(doc);
// update expected count per dimension