Examples with EvaluationContextBuilder com.apple.foundationdb.record.EvaluationContextBuilder used on opensource projects

Example 1 with EvaluationContextBuilder

use of com.apple.foundationdb.record.EvaluationContextBuilder in project fdb-record-layer by FoundationDB.

the class RecordQueryScoreForRankPlan method bindScores.

private <M extends Message> CompletableFuture<EvaluationContext> bindScores(@Nonnull FDBRecordStoreBase<M> store, @Nonnull EvaluationContext context, @Nonnull IsolationLevel isolationLevel) {
    final List<CompletableFuture<Tuple>> scores = ranks.stream().map(r -> bindScore(store, context, r, isolationLevel)).collect(Collectors.toList());
    return AsyncUtil.whenAll(scores).thenApply(vignore -> {
        EvaluationContextBuilder builder = context.childBuilder();
        for (int i = 0; i < scores.size(); i++) {
            final ScoreForRank rank = ranks.get(i);
            final Tuple score = store.getContext().joinNow(scores.get(i));
            final Object binding;
            if (score == null) {
                binding = null;
            } else if (score == RankedSetIndexHelper.COMPARISON_SKIPPED_SCORE) {
                binding = Comparisons.COMPARISON_SKIPPED_BINDING;
            } else {
                binding = rank.bindingFunction.apply(score);
            }
            builder.setBinding(rank.bindingName, binding);
        }
        return builder.build();
    });
}