1 /* 2 * Copyright (C) 2022 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 com.android.bedstead.harrier; 18 19 import java.lang.annotation.Annotation; 20 21 /** 22 * Interface used to register a new class which can execute Harrier annotations. 23 * 24 * <p>This can be used to add additional harrier-compatible annotations without modifying harrier 25 */ 26 public interface AnnotationExecutor { 27 /** 28 * Called when an annotation should be applied. 29 * 30 * <p>This should take care of recording any state necessary to correctly restore state after 31 * the test. 32 */ applyAnnotation(Annotation annotation)33 void applyAnnotation(Annotation annotation); 34 35 /** 36 * Requests the executor to restore the previous state of any non-shareable changes. 37 */ teardownShareableState()38 void teardownShareableState(); 39 40 /** 41 * Requests the executor to restore the previous state of any shareable changes. 42 */ teardownNonShareableState()43 void teardownNonShareableState(); 44 } 45