1 /* 2 * Copyright (C) 2017 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 package com.android.launcher3.search; 17 18 /** 19 * An interface for handling search. 20 * 21 * @param <T> Search Result type 22 */ 23 public interface SearchAlgorithm<T> { 24 25 /** 26 * Performs search and sends the result to {@link SearchCallback}. 27 */ doSearch(String query, SearchCallback<T> callback)28 void doSearch(String query, SearchCallback<T> callback); 29 30 /** 31 * Cancels any active request. 32 */ cancel(boolean interruptActiveRequests)33 void cancel(boolean interruptActiveRequests); 34 35 /** 36 * Cleans up after search is no longer needed. 37 */ destroy()38 default void destroy() {}; 39 } 40