Examples with SearchSourceBuilder.searchSource org.graylog.shaded.elasticsearch6.org.elasticsearch.search.builder.SearchSourceBuilder.searchSource used on opensource projects

Example 1 with SearchSourceBuilder.searchSource

use of org.graylog.shaded.elasticsearch6.org.elasticsearch.search.builder.SearchSourceBuilder.searchSource in project graylog2-server by Graylog2.

the class IndicesAdapterES6 method move.

@Override
public void move(String source, String target, Consumer<IndexMoveResult> resultCallback) {
    // TODO: This method should use the Re-index API: https://www.elastic.co/guide/en/elasticsearch/reference/5.3/docs-reindex.html
    final String query = SearchSourceBuilder.searchSource().query(QueryBuilders.matchAllQuery()).size(350).sort(SortBuilders.fieldSort(FieldSortBuilder.DOC_FIELD_NAME)).toString();
    final Search request = new Search.Builder(query).setParameter(Parameters.SCROLL, "10s").addIndex(source).build();
    final SearchResult searchResult = JestUtils.execute(jestClient, request, () -> "Couldn't process search query response");
    final String scrollId = searchResult.getJsonObject().path("_scroll_id").asText(null);
    if (scrollId == null) {
        throw new ElasticsearchException("Couldn't find scroll ID in search query response");
    }
    while (true) {
        final SearchScroll scrollRequest = new SearchScroll.Builder(scrollId, "1m").build();
        final JestResult scrollResult = JestUtils.execute(jestClient, scrollRequest, () -> "Couldn't process result of scroll query");
        final JsonNode scrollHits = scrollResult.getJsonObject().path("hits").path("hits");
        // No more hits.
        if (scrollHits.size() == 0) {
            break;
        }
        final Bulk.Builder bulkRequestBuilder = new Bulk.Builder();
        for (JsonNode jsonElement : scrollHits) {
            Optional.ofNullable(jsonElement.path("_source")).map(sourceJson -> objectMapper.<Map<String, Object>>convertValue(sourceJson, TypeReferences.MAP_STRING_OBJECT)).ifPresent(doc -> {
                final String id = (String) doc.remove("_id");
                if (!Strings.isNullOrEmpty(id)) {
                    bulkRequestBuilder.addAction(indexingHelper.prepareIndexRequest(target, doc, id));
                }
            });
        }
        final BulkResult bulkResult = JestUtils.execute(jestClient, bulkRequestBuilder.build(), () -> "Couldn't bulk index messages into index " + target);
        final boolean hasFailedItems = !bulkResult.getFailedItems().isEmpty();
        final IndexMoveResult result = IndexMoveResult.create(bulkResult.getItems().size(), bulkResult.getJsonObject().path("took").asLong(), hasFailedItems);
        resultCallback.accept(result);
    }
}