1 /*
2  * Copyright (C) 2014 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 androidx.test.uiautomator;
18 
19 import android.app.UiAutomation.AccessibilityEventFilter;
20 
21 /**
22  * An {@link EventCondition} is a condition which depends on an event or series of events having
23  * occurred.
24  */
25 public abstract class EventCondition<U> implements AccessibilityEventFilter {
26 
27     /**
28      * returns a value obtained after applying the condition to a series of events.
29      * A non-null/non-false value indicates that the condition is satisfied.
30      */
getResult()31     public abstract U getResult();
32 }
33