| /* |
| * Copyright (C) 2011 The Guava Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
| * in compliance with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| |
| package com.google.common.collect; |
| |
| import com.google.common.annotations.GwtCompatible; |
| |
| /** |
| * Indicates whether an endpoint of some range is contained in the range itself ("closed") or not |
| * ("open"). If a range is unbounded on a side, it is neither open nor closed on that side; the |
| * bound simply does not exist. |
| * |
| * @since 10.0 |
| */ |
| @GwtCompatible |
| public enum BoundType { |
| /** The endpoint value <i>is not</i> considered part of the set ("exclusive"). */ |
| OPEN(false), |
| CLOSED(true); |
| |
| final boolean inclusive; |
| |
| BoundType(boolean inclusive) { |
| this.inclusive = inclusive; |
| } |
| |
| /** Returns the bound type corresponding to a boolean value for inclusivity. */ |
| static BoundType forBoolean(boolean inclusive) { |
| return inclusive ? CLOSED : OPEN; |
| } |
| |
| BoundType flip() { |
| return forBoolean(!inclusive); |
| } |
| } |