1 /* <lambda>null2 * Copyright (C) 2020 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.tools.metalava 18 19 import com.android.tools.metalava.model.Item 20 import com.android.tools.metalava.model.MethodItem 21 import java.util.function.Predicate 22 23 /** 24 * Filter that will elide exact duplicate methods that are already included 25 * in another superclass/interfaces. 26 */ 27 class ElidingPredicate(private val wrapped: Predicate<Item>) : Predicate<Item> { 28 29 override fun test(method: Item): Boolean { 30 // This method should be included, but if it's an exact duplicate 31 // override then we can elide it. 32 return if (method is MethodItem && !method.isConstructor()) { 33 val differentSuper = method.findPredicateSuperMethod( 34 Predicate { test -> 35 // We're looking for included and perfect signature 36 wrapped.test(test) && 37 test is MethodItem && 38 MethodItem.sameSignature(method, test, false) 39 } 40 ) 41 differentSuper == null 42 } else { 43 true 44 } 45 } 46 } 47