1 /* 2 * Copyright 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.app.appsearch; 18 19 /** 20 * A class that encapsulates all feature constants that are accessible in AppSearch framework. 21 * 22 * <p>All fields in this class is referring in {@link Features}. If you add/remove any field in this 23 * class, you should also change {@link Features}. 24 * 25 * @see Features 26 * @hide 27 */ 28 public final class FeatureConstants { 29 /** Feature constants for {@link Features#NUMERIC_SEARCH}. */ 30 public static final String NUMERIC_SEARCH = "NUMERIC_SEARCH"; 31 32 /** Feature constants for {@link Features#VERBATIM_SEARCH}. */ 33 public static final String VERBATIM_SEARCH = "VERBATIM_SEARCH"; 34 35 /** Feature constants for {@link Features#LIST_FILTER_QUERY_LANGUAGE}. */ 36 public static final String LIST_FILTER_QUERY_LANGUAGE = "LIST_FILTER_QUERY_LANGUAGE"; 37 38 /** Feature constants for {@link Features#LIST_FILTER_HAS_PROPERTY_FUNCTION}. */ 39 public static final String LIST_FILTER_HAS_PROPERTY_FUNCTION = 40 "LIST_FILTER_HAS_PROPERTY_FUNCTION"; 41 42 /** A feature constant for the "semanticSearch" function in {@link AppSearchSession#search}. */ 43 public static final String EMBEDDING_SEARCH = "EMBEDDING_SEARCH"; 44 45 /** A feature constant for the "tokenize" function in {@link AppSearchSession#search}. */ 46 public static final String LIST_FILTER_TOKENIZE_FUNCTION = "TOKENIZE"; 47 FeatureConstants()48 private FeatureConstants() {} 49 } 50