| // 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 max_num_total_hits) |
| : max_query_length(max_query_length_in), |
| max_num_total_hits(max_num_total_hits) {} |
| |
| // Search performance |
| |
| // Maximum length of query to execute in IndexProcessor. |
| int max_query_length; |
| |
| // 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_ |