| using System; |
| using System.IO; |
| |
| namespace Lucene.Net.Facet.Taxonomy |
| { |
| /* |
| * 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. |
| */ |
| |
| using ChildrenEnumerator = Lucene.Net.Facet.Taxonomy.TaxonomyReader.ChildrenEnumerator; |
| using Directory = Lucene.Net.Store.Directory; |
| using DirectoryTaxonomyReader = Lucene.Net.Facet.Taxonomy.Directory.DirectoryTaxonomyReader; |
| using FSDirectory = Lucene.Net.Store.FSDirectory; |
| |
| /// <summary> |
| /// Prints how many ords are under each dimension. |
| /// </summary> |
| |
| // java -cp ../build/core/classes/java:../build/facet/classes/java org.apache.lucene.facet.util.PrintTaxonomyStats -printTree /s2/scratch/indices/wikibig.trunk.noparents.facets.Lucene41.nd1M/facets |
| public static class PrintTaxonomyStats // LUCENENET specific - marked static |
| { |
| /// <summary> |
| /// Command-line tool. |
| /// </summary> |
| public static int Main(string[] args) |
| { |
| bool printTree = false; |
| string path = null; |
| for (int i = 0; i < args.Length; i++) |
| { |
| if (args[i].Equals("-printTree", StringComparison.Ordinal)) |
| { |
| printTree = true; |
| } |
| else |
| { |
| path = args[i]; |
| } |
| } |
| if (args.Length != (printTree ? 2 : 1)) |
| { |
| // LUCENENET specific - our wrapper console shows the correct usage |
| throw new ArgumentException(); |
| //Console.WriteLine("\nUsage: java -classpath ... org.apache.lucene.facet.util.PrintTaxonomyStats [-printTree] /path/to/taxononmy/index\n"); |
| //return 1; |
| } |
| using (Store.Directory dir = FSDirectory.Open(new DirectoryInfo(path))) |
| { |
| using (var r = new DirectoryTaxonomyReader(dir)) |
| { |
| PrintStats(r, System.Console.Out, printTree); |
| } |
| } |
| |
| return 0; |
| } |
| |
| /// <summary> |
| /// Recursively prints stats for all ordinals. </summary> |
| public static void PrintStats(TaxonomyReader r, TextWriter @out, bool printTree) |
| { |
| @out.WriteLine(r.Count + " total categories."); |
| |
| ChildrenEnumerator it = r.GetChildren(TaxonomyReader.ROOT_ORDINAL); |
| int child; |
| while (it.MoveNext()) |
| { |
| child = it.Current; |
| ChildrenEnumerator chilrenIt = r.GetChildren(child); |
| int numImmediateChildren = 0; |
| while (chilrenIt.MoveNext()) |
| { |
| numImmediateChildren++; |
| } |
| FacetLabel cp = r.GetPath(child); |
| @out.WriteLine("/" + cp.Components[0] + ": " + numImmediateChildren + " immediate children; " + (1 + CountAllChildren(r, child)) + " total categories"); |
| if (printTree) |
| { |
| PrintAllChildren(@out, r, child, " ", 1); |
| } |
| } |
| } |
| |
| private static int CountAllChildren(TaxonomyReader r, int ord) |
| { |
| int count = 0; |
| ChildrenEnumerator it = r.GetChildren(ord); |
| while (it.MoveNext()) |
| { |
| count += 1 + CountAllChildren(r, it.Current); |
| } |
| return count; |
| } |
| |
| private static void PrintAllChildren(TextWriter @out, TaxonomyReader r, int ord, string indent, int depth) |
| { |
| ChildrenEnumerator it = r.GetChildren(ord); |
| int child; |
| while (it.MoveNext()) |
| { |
| child = it.Current; |
| @out.WriteLine(indent + "/" + r.GetPath(child).Components[depth]); |
| PrintAllChildren(@out, r, child, indent + " ", depth + 1); |
| } |
| } |
| } |
| } |