Examples with ForEach core.framework.search.ForEach used on opensource projects

Example 1 with ForEach

use of core.framework.search.ForEach in project core-ng-project by neowu.

the class ElasticSearchTypeImpl method forEach.

@Override
public void forEach(ForEach<T> forEach) {
    var watch = new StopWatch();
    long start = System.nanoTime();
    long esClientTook = 0;
    long esServerTook = 0;
    validate(forEach);
    Time keepAlive = Time.of(t -> t.time(forEach.scrollTimeout.toNanos() + "nanos"));
    String index = forEach.index == null ? this.index : forEach.index;
    int totalHits = 0;
    try {
        var response = elasticSearch.client.search(builder -> builder.index(index).scroll(keepAlive).query(forEach.query).sort(s -> s.field(f -> f.field("_doc"))).size(forEach.limit), documentClass);
        var holder = new ScrollIdHolder();
        holder.scrollId = response.scrollId();
        while (true) {
            esServerTook += response.took() * 1_000_000;
            var hits = response.hits().hits();
            esClientTook += System.nanoTime() - start;
            if (hits.isEmpty())
                break;
            totalHits += hits.size();
            for (var hit : hits) {
                forEach.consumer.accept(hit.source());
            }
            start = System.nanoTime();
            response = elasticSearch.client.scroll(builder -> builder.scrollId(holder.scrollId).scroll(keepAlive), documentClass);
            holder.scrollId = response.scrollId();
        }
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    } catch (ElasticsearchException e) {
        throw elasticSearch.searchException(e);
    } finally {
        long elapsed = watch.elapsed();
        ActionLogContext.track("elasticsearch", elapsed, totalHits, 0);
        logger.debug("forEach, totalHits={}, esServerTook={}, esClientTook={}, elapsed={}", totalHits, esServerTook, esClientTook, elapsed);
    }
}