Examples of org.elasticsearch.search.aggregations.support.OrderPath$Token

Package org.elasticsearch.search.aggregations.support

Examples of org.elasticsearch.search.aggregations.support.OrderPath$Token

org.openstack.docs.identity.api.v2.Token
A path that can be used to sort/order buckets (in some multi-bucket aggregations, eg terms & histogram) based on sub-aggregations. The path may point to either a single-bucket aggregation or a metrics aggregation. If the path points to a single-bucket aggregation, the sort will be applied based on the {@code doc_count} of the bucket. If thispath points to a metrics aggregation, if it's a single-value metrics (eg. avg, max, min, etc..) the sort will be applied on that single value. If it points to a multi-value metrics, the path should point out what metric should be the sort-by value.
The path has the following form:

{@code ['>'*]['.']}

Examples:
- {@code agg1>agg2>agg3} - where agg1, agg2 and agg3 are all single-bucket aggs (eg filter, nested, missing, etc..). Inthis case, the order will be based on the number of documents under {@code agg3}.
- {@code agg1>agg2>agg3} - where agg1 and agg2 are both single-bucket aggs and agg3 is a single-value metrics agg (eg avg, max, min, etc..).In this case, the order will be based on the value of {@code agg3}.
- {@code agg1>agg2>agg3.avg} - where agg1 and agg2 are both single-bucket aggs and agg3 is a multi-value metrics agg (eg stats, extended_stats, etc...).In this case, the order will be based on the avg value of {@code agg3}.

            // to avoid constructing buckets for ordering purposes (we can potentially have a lot of buckets and building
            // them will cause loads of redundant object constructions). The "special" comparators here will fetch the
            // sub aggregation values directly from the sub aggregators bypassing bucket creation. Note that the comparator
            // attached to the order will still be used in the reduce phase of the Aggregation.


            OrderPath path = path();
            final Aggregator aggregator = path.resolveAggregator(termsAggregator);
            final String key = path.tokens[path.tokens.length - 1].key;


            if (aggregator instanceof SingleBucketAggregator) {
                assert key == null : "this should be picked up before the aggregation is executed - on validate";
                return new Comparator<Terms.Bucket>() {

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        public static void writeOrder(Terms.Order order, StreamOutput out) throws IOException {
            if (order instanceof Aggregation) {
                out.writeByte(order.id());
                Aggregation aggregationOrder = (Aggregation) order;
                out.writeBoolean(((MultiBucketsAggregation.Bucket.SubAggregationComparator) aggregationOrder.comparator).asc());
                OrderPath path = ((Aggregation) order).path();
                if (out.getVersion().onOrAfter(Version.V_1_1_0)) {
                    out.writeString(path.toString());
                } else {
                    // prev versions only supported sorting on a single level -> a single token;
                    OrderPath.Token token = path.lastToken();
                    out.writeString(token.name);
                    boolean hasValueName = token.key != null;
                    out.writeBoolean(hasValueName);
                    if (hasValueName) {
                        out.writeString(token.key);

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        client.listTenants(fakeToken);
    }


    private KeystoneAuthenticationToken buildFakeToken(String tokenCode) {
        Access auth = new Access();
        Token tokenObject = new Token();
        tokenObject.setId(tokenCode);
        auth.setToken(tokenObject);
        return new KeystoneAuthenticationToken(auth);
    }

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