11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2008 The Guava Authors 31d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 41d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Licensed under the Apache License, Version 2.0 (the "License"); 51d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * you may not use this file except in compliance with the License. 61d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * You may obtain a copy of the License at 71d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 81d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * http://www.apache.org/licenses/LICENSE-2.0 91d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Unless required by applicable law or agreed to in writing, software 111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * distributed under the License is distributed on an "AS IS" BASIS, 121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * See the License for the specific language governing permissions and 141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * limitations under the License. 151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpackage com.google.common.collect.testing.features; 181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.Helpers; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.lang.annotation.Inherited; 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.lang.annotation.Retention; 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.lang.annotation.RetentionPolicy; 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.Set; 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Optional features of classes derived from {@code Set}. 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * <p>This class is GWT compatible. 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author George van den Driessche 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert// Enum values use constructors with generic varargs. 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert@SuppressWarnings("unchecked") 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic enum SetFeature implements Feature<Set> { 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert GENERAL_PURPOSE( 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert CollectionFeature.GENERAL_PURPOSE 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert ); 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private final Set<Feature<? super Set>> implied; 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert SetFeature(Feature<? super Set> ... implied) { 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.implied = Helpers.copyToSet(implied); 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public Set<Feature<? super Set>> getImpliedFeatures() { 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return implied; 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Retention(RetentionPolicy.RUNTIME) 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Inherited 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @TesterAnnotation 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public @interface Require { 551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public abstract SetFeature[] value() default {}; 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public abstract SetFeature[] absent() default {}; 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 59