| /* |
| * 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. |
| */ |
| package org.apache.lucene.analysis.cn.smart.hhmm; |
| |
| /** |
| * SmartChineseAnalyzer internal node representation |
| * <p> |
| * Used by {@link BiSegGraph} to maximize the segmentation with the Viterbi algorithm. |
| * </p> |
| * @lucene.experimental |
| */ |
| class PathNode implements Comparable<PathNode> { |
| public double weight; |
| |
| public int preNode; |
| |
| @Override |
| public int compareTo(PathNode pn) { |
| if (weight < pn.weight) |
| return -1; |
| else if (weight == pn.weight) |
| return 0; |
| else |
| return 1; |
| } |
| |
| /** |
| * @see java.lang.Object#hashCode() |
| */ |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + preNode; |
| long temp; |
| temp = Double.doubleToLongBits(weight); |
| result = prime * result + (int) (temp ^ (temp >>> 32)); |
| return result; |
| } |
| |
| /** |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| PathNode other = (PathNode) obj; |
| if (preNode != other.preNode) |
| return false; |
| if (Double.doubleToLongBits(weight) != Double |
| .doubleToLongBits(other.weight)) |
| return false; |
| return true; |
| } |
| } |