Index: lucene/facet/src/java/org/apache/lucene/facet/taxonomy/PrintStats.java
===================================================================
--- lucene/facet/src/java/org/apache/lucene/facet/taxonomy/PrintStats.java	(revision 0)
+++ lucene/facet/src/java/org/apache/lucene/facet/taxonomy/PrintStats.java	(working copy)
@@ -0,0 +1,72 @@
+package org.apache.lucene.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.
+ */
+
+import java.io.File;
+import java.io.IOException;
+
+import org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader;
+import org.apache.lucene.facet.taxonomy.directory.ParallelTaxonomyArrays;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.FSDirectory;
+
+/** Prints how many ords are under each dimension. */
+
+public class PrintStats {
+  public static void main(String[] args) throws IOException {
+    if (args.length != 1) {
+      System.out.println("\nUsage: PrintStats /path/to/taxononmy/index\n");
+      System.exit(1);
+    }
+    Directory dir = FSDirectory.open(new File(args[0]));
+    TaxonomyReader r = new DirectoryTaxonomyReader(dir);
+    ParallelTaxonomyArrays arrays = r.getParallelTaxonomyArrays();
+    //int[] parents = arrays.parents();
+    int[] children = arrays.children();
+    int[] siblings = arrays.siblings();
+    System.out.println(r.getSize() + " categories.");
+
+    int numDims = 0;
+    int childOrd = children[TaxonomyReader.ROOT_ORDINAL];
+    while(childOrd != -1) {
+      CategoryPath cp = r.getPath(childOrd);
+      int childOrd2 = children[childOrd];
+      int numImmediateChildren = 0;
+      while(childOrd2 != -1) {
+        numImmediateChildren++;
+        childOrd2 = siblings[childOrd2];
+      }
+      System.out.println("Dimension " + numDims + ": " + cp + "; " + numImmediateChildren + " immediate children; " + (1+countAllChildren(childOrd, children, siblings)) + " categories");
+      numDims++;
+      childOrd = siblings[childOrd];
+    }
+
+    r.close();
+    dir.close();
+  }
+
+  private static int countAllChildren(int ord, int[] children, int[] siblings) {
+    int childOrd = children[ord];
+    int count = 0;
+    while(childOrd != -1) {
+      count += 1+countAllChildren(childOrd, children, siblings);
+      childOrd = siblings[childOrd];
+    }
+    return count;
+  }
+}

Property changes on: lucene/facet/src/java/org/apache/lucene/facet/taxonomy/PrintStats.java
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