/**
* @return the query used to fetch the documents from the Solr index
* @throws SolrIndexerException if we fail to obtain a query for the configured root entity
*/
private SolrQuery getQuery() throws SolrIndexerException {
if (query == null) {
query = new SolrQuery(solrReferenceResolver.getQuery(rootReference));
query.setFields(
FieldUtils.WIKI,
FieldUtils.SPACES,
FieldUtils.NAME,
FieldUtils.DOCUMENT_LOCALE,
FieldUtils.VERSION);
query.addFilterQuery(FieldUtils.TYPE + ':' + EntityType.DOCUMENT.name());
// We sort by ID, which is normally the serialized document reference, in order to ensure this
// iterator has
// the same order as the database iterator.
query.addSort(FieldUtils.ID, ORDER.asc);
// Paginate using a cursor because it performs better than basic pagination (using absolute
// offset,
// especially when the offset is big) and because the impact of index modifications is much
// smaller (and we
// plan to update the index to match the database during the synchronization process).
// See https://cwiki.apache.org/confluence/display/solr/Pagination+of+Results
query.set(CursorMarkParams.CURSOR_MARK_PARAM, CursorMarkParams.CURSOR_MARK_START);
query.setRows(LIMIT);
}
return query;
}
/**
* @return the query used to fetch the documents from the Solr index
* @throws SolrIndexerException if we fail to obtain a query for the configured root entity
*/
private SolrQuery getQuery() throws SolrIndexerException {
if (query == null) {
query = new SolrQuery(solrReferenceResolver.getQuery(rootReference));
query.setFields(
FieldUtils.WIKI,
FieldUtils.SPACE,
FieldUtils.NAME,
FieldUtils.DOCUMENT_LOCALE,
FieldUtils.VERSION);
query.addFilterQuery(FieldUtils.TYPE + ':' + EntityType.DOCUMENT.name());
// We must add the unique key field (ID in our case) to the list of sort fields (as a tie
// breaker) in order
// to use the cursor-based pagination.
query
.addSort(FieldUtils.WIKI, ORDER.asc)
.addSort(FieldUtils.SPACE_EXACT, ORDER.asc)
.addSort(FieldUtils.NAME_EXACT, ORDER.asc)
.addSort(FieldUtils.DOCUMENT_LOCALE, ORDER.asc)
.addSort(FieldUtils.ID, ORDER.asc);
// Speed up the query by disabling the faceting and the highlighting.
query.set(FacetParams.FACET, false);
query.set(HighlightParams.HIGHLIGHT, false);
// Paginate using a cursor because it performs better than basic pagination (using absolute
// offset,
// especially when the offset is big) and because the impact of index modifications is much
// smaller (and we
// plan to update the index to match the database during the synchronization process).
// See https://cwiki.apache.org/confluence/display/solr/Pagination+of+Results
query.set(CursorMarkParams.CURSOR_MARK_PARAM, CursorMarkParams.CURSOR_MARK_START);
query.setRows(LIMIT);
}
return query;
}