001/* 002 * Copyright (C) 2013 The Guava Authors 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package com.google.common.collect.testing.google; 018 019import com.google.common.annotations.GwtCompatible; 020import com.google.common.collect.Multimap; 021import com.google.common.collect.testing.Helpers; 022import com.google.common.collect.testing.features.Feature; 023import com.google.common.collect.testing.features.TesterAnnotation; 024import java.lang.annotation.Inherited; 025import java.lang.annotation.Retention; 026import java.lang.annotation.RetentionPolicy; 027import java.util.Set; 028 029/** 030 * Optional features of classes derived from {@code Multimap}. 031 * 032 * @author Louis Wasserman 033 */ 034@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package? 035@GwtCompatible 036public enum MultimapFeature implements Feature<Multimap> { 037 VALUE_COLLECTIONS_SUPPORT_ITERATOR_REMOVE; 038 039 private final Set<Feature<? super Multimap>> implied; 040 041 MultimapFeature(Feature<? super Multimap>... implied) { 042 this.implied = Helpers.copyToSet(implied); 043 } 044 045 @Override 046 public Set<Feature<? super Multimap>> getImpliedFeatures() { 047 return implied; 048 } 049 050 @Retention(RetentionPolicy.RUNTIME) 051 @Inherited 052 @TesterAnnotation 053 public @interface Require { 054 public abstract MultimapFeature[] value() default {}; 055 056 public abstract MultimapFeature[] absent() default {}; 057 } 058}