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// Copyright (C) 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef ICING_PERFORMANCE_CONFIGURATION_H_
#define ICING_PERFORMANCE_CONFIGURATION_H_
namespace icing {
namespace lib {
// Stores key thresholds that affect performance of Icing search engine.
struct PerformanceConfiguration {
// Loads default configuration.
PerformanceConfiguration();
PerformanceConfiguration(int max_query_length_in, int num_to_score_in,
int max_num_total_hits)
: max_query_length(max_query_length_in),
num_to_score(num_to_score_in),
max_num_total_hits(max_num_total_hits) {}
// Search performance
// Maximum length of query to execute in IndexProcessor.
int max_query_length;
// Number of results to score in ScoringProcessor for every query.
int num_to_score;
// Memory
// Maximum number of ScoredDocumentHits to cache in the ResultStateManager at
// one time.
int max_num_total_hits;
};
// TODO(b/149040810): Consider creating a class to manage performance
// configurations according to different devices/platforms/clients and even
// real-time memory usage.
} // namespace lib
} // namespace icing
#endif // ICING_PERFORMANCE_CONFIGURATION_H_
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