001 /* 002 * Copyright (C) 2011 The Guava Authors 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 005 * in compliance with the License. You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software distributed under the License 010 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 011 * or implied. See the License for the specific language governing permissions and limitations under 012 * the License. 013 */ 014 015 package com.google.common.collect; 016 017 import com.google.common.annotations.Beta; 018 import com.google.common.annotations.GwtCompatible; 019 020 /** 021 * Indicates whether an endpoint of some range is contained in the range itself ("closed") or not 022 * ("open"). If a range is unbounded on a side, it is neither open nor closed on that side; the 023 * bound simply does not exist. 024 * 025 * @since 10.0 026 */ 027 @Beta 028 @GwtCompatible 029 public enum BoundType { 030 /** 031 * The endpoint value <i>is not</i> considered part of the set ("exclusive"). 032 */ 033 OPEN, 034 035 /** 036 * The endpoint value <i>is</i> considered part of the set ("inclusive"). 037 */ 038 CLOSED; 039 040 /** 041 * Returns the bound type corresponding to a boolean value for inclusivity. 042 */ 043 static BoundType forBoolean(boolean inclusive) { 044 return inclusive ? CLOSED : OPEN; 045 } 046 }