1 /* 2 * Copyright (C) 2009 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 signature.compare.model; 18 19 import java.util.List; 20 import java.util.Set; 21 22 import signature.model.ITypeReference; 23 24 /** 25 * {@code IUpperBoundsDelta} models the delta between two {@link List 26 * <ITypeReference>} instances. 27 * <p> 28 * This interface is aware, that for the first argument, the order of the upper 29 * bounds is relevant (for erasure). 30 */ 31 public interface IUpperBoundsDelta extends IDelta<List<ITypeReference>> { 32 33 /** 34 * Returns the upper bound delta of the first upper bound or {@code null} if 35 * no delta is available. 36 * 37 * @return the upper bound delta of the first upper bound, maybe {@code 38 * null} 39 */ 40 ITypeReferenceDelta<?> getFirstUpperBoundDelta(); 41 42 /** 43 * Returns a set of remaining upper bound deltas or {@code null} if no 44 * deltas are available. 45 * 46 * @return a set of remaining upper bound deltas, maybe {@code null} 47 */ 48 Set<ITypeReferenceDelta<?>> getRemainingUpperBoundDeltas(); 49 } 50