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; 181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.Collections; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.EnumSet; 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.Iterator; 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.ListIterator; 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.Set; 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * A method supported by implementations of the {@link Iterator} or 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link ListIterator} interface. 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * <p>This enum is GWT compatible. 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Chris Povirk 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic enum IteratorFeature { 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /** 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Support for {@link Iterator#remove()}. 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert SUPPORTS_REMOVE, 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /** 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Support for {@link ListIterator#add(Object)}; ignored for plain 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link Iterator} implementations. 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert SUPPORTS_ADD, 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /** 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Support for {@link ListIterator#set(Object)}; ignored for plain 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link Iterator} implementations. 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert SUPPORTS_SET; 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /** 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * A set containing none of the optional features of the {@link Iterator} or 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link ListIterator} interfaces. 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static final Set<IteratorFeature> UNMODIFIABLE = 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Collections.emptySet(); 551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /** 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * A set containing all of the optional features of the {@link Iterator} and 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * {@link ListIterator} interfaces. 591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static final Set<IteratorFeature> MODIFIABLE = 611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Collections.unmodifiableSet(EnumSet.allOf(IteratorFeature.class)); 621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 63