1/* 2 * Copyright (C) 2013 The Guava Authors 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 17package com.google.common.collect.testing.google; 18 19import com.google.common.annotations.GwtCompatible; 20import com.google.common.collect.Multimap; 21import com.google.common.collect.testing.Helpers; 22import com.google.common.collect.testing.features.Feature; 23import com.google.common.collect.testing.features.TesterAnnotation; 24 25import java.lang.annotation.Inherited; 26import java.lang.annotation.Retention; 27import java.lang.annotation.RetentionPolicy; 28import java.util.Set; 29 30/** 31 * Optional features of classes derived from {@code Multimap}. 32 * 33 * @author Louis Wasserman 34 */ 35// Enum values use constructors with generic varargs. 36@SuppressWarnings("unchecked") 37@GwtCompatible 38public enum MultimapFeature implements Feature<Multimap> { 39 VALUE_COLLECTIONS_SUPPORT_ITERATOR_REMOVE; 40 41 private final Set<Feature<? super Multimap>> implied; 42 43 MultimapFeature(Feature<? super Multimap> ... implied) { 44 this.implied = Helpers.copyToSet(implied); 45 } 46 47 @Override 48 public Set<Feature<? super Multimap>> getImpliedFeatures() { 49 return implied; 50 } 51 52 @Retention(RetentionPolicy.RUNTIME) 53 @Inherited 54 @TesterAnnotation 55 public @interface Require { 56 public abstract MultimapFeature[] value() default {}; 57 public abstract MultimapFeature[] absent() default {}; 58 } 59} 60