public virtual void TestConcurrency() { // tests that addTaxonomy and addCategory work in parallel int numCategories = AtLeast(10000); // build an input taxonomy index Directory src = NewDirectory(); var tw = new DirectoryTaxonomyWriter(src); for (int i = 0; i < numCategories; i++) { tw.AddCategory(new FacetLabel("a", Convert.ToString(i))); } tw.Dispose(); // now add the taxonomy to an empty taxonomy, while adding the categories // again, in parallel -- in the end, no duplicate categories should exist. Directory dest = NewDirectory(); var destTw = new DirectoryTaxonomyWriter(dest); var t = new ThreadAnonymousInnerClassHelper2(this, numCategories, destTw); t.Start(); IOrdinalMap map = new MemoryOrdinalMap(); destTw.AddTaxonomy(src, map); t.Join(); destTw.Dispose(); // now validate var dtr = new DirectoryTaxonomyReader(dest); // +2 to account for the root category + "a" Assert.AreEqual(numCategories + 2, dtr.Count); var categories = new JCG.HashSet <FacetLabel>(); for (int i = 1; i < dtr.Count; i++) { FacetLabel cat = dtr.GetPath(i); Assert.True(categories.Add(cat), "category " + cat + " already existed"); } dtr.Dispose(); IOUtils.Dispose(src, dest); }
public virtual void TestConcurrency() { // tests that addTaxonomy and addCategory work in parallel int numCategories = AtLeast(10000); // build an input taxonomy index Directory src = NewDirectory(); var tw = new DirectoryTaxonomyWriter(src); for (int i = 0; i < numCategories; i++) { tw.AddCategory(new FacetLabel("a", Convert.ToString(i))); } tw.Dispose(); // now add the taxonomy to an empty taxonomy, while adding the categories // again, in parallel -- in the end, no duplicate categories should exist. Directory dest = NewDirectory(); var destTw = new DirectoryTaxonomyWriter(dest); ThreadClass t = new ThreadAnonymousInnerClassHelper2(this, numCategories, destTw); t.Start(); IOrdinalMap map = new MemoryOrdinalMap(); destTw.AddTaxonomy(src, map); t.Join(); destTw.Dispose(); // now validate var dtr = new DirectoryTaxonomyReader(dest); // +2 to account for the root category + "a" Assert.AreEqual(numCategories + 2, dtr.Count); var categories = new HashSet<FacetLabel>(); for (int i = 1; i < dtr.Count; i++) { FacetLabel cat = dtr.GetPath(i); Assert.True(categories.Add(cat), "category " + cat + " already existed"); } dtr.Dispose(); IOUtils.Close(src, dest); }