| // lucene version compatibility level: 4.8.1 |
| using System; |
| |
| namespace Lucene.Net.Analysis.Cn.Smart.Hhmm |
| { |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| /// <summary> |
| /// SmartChineseAnalyzer internal node representation |
| /// <para> |
| /// Used by <see cref="BiSegGraph"/> to maximize the segmentation with the Viterbi algorithm. |
| /// </para> |
| /// @lucene.experimental |
| /// </summary> |
| internal class PathNode : IComparable<PathNode> |
| { |
| public double Weight { get; set; } |
| |
| public int PreNode { get; set; } |
| |
| public virtual int CompareTo(PathNode pn) |
| { |
| if (Weight < pn.Weight) |
| return -1; |
| else if (Weight == pn.Weight) |
| return 0; |
| else |
| return 1; |
| } |
| |
| /// <summary> |
| /// <see cref="object.GetHashCode()"/> |
| /// </summary> |
| public override int GetHashCode() |
| { |
| int prime = 31; |
| int result = 1; |
| result = prime * result + PreNode; |
| long temp; |
| temp = J2N.BitConversion.DoubleToInt64Bits(Weight); |
| result = prime * result + (int)(temp ^ (int)((uint)temp >> 32)); |
| return result; |
| } |
| |
| /// <summary> |
| /// <see cref="object.Equals(object)"/> |
| /// </summary> |
| public override bool Equals(object obj) |
| { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (GetType() != obj.GetType()) |
| return false; |
| PathNode other = (PathNode)obj; |
| if (PreNode != other.PreNode) |
| return false; |
| if (J2N.BitConversion.DoubleToInt64Bits(Weight) != J2N.BitConversion |
| .DoubleToInt64Bits(other.Weight)) |
| return false; |
| return true; |
| } |
| } |
| } |