| /* |
| * dk.brics.automaton |
| * |
| * Copyright (c) 2001-2009 Anders Moeller |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * this SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * this SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| using System.Runtime.CompilerServices; |
| |
| namespace Lucene.Net.Util.Automaton |
| { |
| /// <summary> |
| /// Pair of states. |
| /// <para/> |
| /// @lucene.experimental |
| /// </summary> |
| public class StatePair |
| { |
| internal State s; |
| internal State s1; |
| internal State s2; |
| |
| internal StatePair(State s, State s1, State s2) |
| { |
| this.s = s; |
| this.s1 = s1; |
| this.s2 = s2; |
| } |
| |
| /// <summary> |
| /// Constructs a new state pair. |
| /// </summary> |
| /// <param name="s1"> First state. </param> |
| /// <param name="s2"> Second state. </param> |
| public StatePair(State s1, State s2) |
| { |
| this.s1 = s1; |
| this.s2 = s2; |
| } |
| |
| /// <summary> |
| /// Returns first component of this pair. |
| /// </summary> |
| /// <returns> First state. </returns> |
| public virtual State FirstState => s1; |
| |
| /// <summary> |
| /// Returns second component of this pair. |
| /// </summary> |
| /// <returns> Second state. </returns> |
| public virtual State SecondState => s2; |
| |
| /// <summary> |
| /// Checks for equality. |
| /// </summary> |
| /// <param name="obj"> Object to compare with. </param> |
| /// <returns> <c>true</c> if <paramref name="obj"/> represents the same pair of states as this |
| /// pair. </returns> |
| public override bool Equals(object obj) |
| { |
| if (obj is StatePair p) |
| { |
| return p.s1 == s1 && p.s2 == s2; |
| } |
| else |
| { |
| return false; |
| } |
| } |
| |
| /// <summary> |
| /// Returns hash code. |
| /// </summary> |
| /// <returns> Hash code. </returns> |
| [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| public override int GetHashCode() |
| { |
| return s1.GetHashCode() + s2.GetHashCode(); |
| } |
| } |
| } |