2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 package org.apache.lucene.analysis.cn.smart.hhmm;
21 * SmartChineseAnalyzer internal node representation
23 * Used by {@link BiSegGraph} to maximize the segmentation with the Viterbi algorithm.
25 * @lucene.experimental
27 class PathNode implements Comparable<PathNode> {
32 public int compareTo(PathNode pn) {
33 if (weight < pn.weight)
35 else if (weight == pn.weight)
42 * @see java.lang.Object#hashCode()
45 public int hashCode() {
48 result = prime * result + preNode;
50 temp = Double.doubleToLongBits(weight);
51 result = prime * result + (int) (temp ^ (temp >>> 32));
56 * @see java.lang.Object#equals(java.lang.Object)
59 public boolean equals(Object obj) {
64 if (getClass() != obj.getClass())
66 PathNode other = (PathNode) obj;
67 if (preNode != other.preNode)
69 if (Double.doubleToLongBits(weight) != Double
70 .doubleToLongBits(other.weight))