C# EmbeddedDataObjectContext.OpenStore方法代码示例

 private static IDataObjectStore GetDataObjectStore(string storeName)
 {
     var context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
     if (!context.DoesStoreExist(storeName))
     {
         return context.CreateStore(storeName);
     }
     return context.OpenStore(storeName);
 }

 public void TestOpenDataObjectStore()
 {
     IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
     Assert.IsNotNull(context);
     var storeName = Guid.NewGuid().ToString();
     var store = context.CreateStore(storeName);
     Assert.IsNotNull(store);
     store = context.OpenStore(storeName);
     Assert.IsNotNull(store);
 }

        public void TestRemoveSpecificValueProperty()
        {
            IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
            var storeId = Guid.NewGuid().ToString();
            var store = context.CreateStore(storeId);

            var p1 = store.MakeDataObject();
            Assert.IsNotNull(p1);
            var ageType = store.MakeDataObject("http://www.np.com/label");
            p1.AddProperty(ageType, "graham");
            p1.AddProperty(ageType, "kal");

            store.SaveChanges();

            store = context.OpenStore(storeId);

            var p2 = store.GetDataObject(p1.Identity);
            Assert.AreEqual(2, ((DataObject)p2).Triples.Count());

            var propValues = p2.GetPropertyValues("http://www.np.com/label").Cast<string>();
            Assert.IsNotNull(propValues);
            Assert.AreEqual(2, propValues.Count());

            // remove it
            p2.RemoveProperty(ageType, "kal");
            store.SaveChanges();

            Assert.AreEqual(1, ((DataObject)p2).Triples.Count());
            store = context.OpenStore(storeId);

            var p3 = store.GetDataObject(p1.Identity);
            Assert.AreEqual(1, ((DataObject)p3).Triples.Count());

            var label = p3.GetPropertyValue(ageType);
            Assert.IsNotNull(label);
            Assert.AreEqual("graham", label);
        }

        public void TestCurieObjectGetPropertyPersisted()
        {
            IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
            var storeId = Guid.NewGuid().ToString();
            context.CreateStore(storeId);
            var store = context.OpenStore(storeId,
                                      new Dictionary<string, string> { { "np", "http://www.np.com/" } });

            var p1 = store.MakeDataObject();
            Assert.IsNotNull(p1);
            
            //object type
            var productType = store.MakeDataObject("http://www.networkedplanet.com/schemas/product");
            p1.SetType(productType);

            var labelType = store.MakeDataObject("np:label");
            p1.AddProperty(labelType, "graham");
            store.SaveChanges();

            store = context.OpenStore(storeId,
                                      new Dictionary<string, string> { { "np", "http://www.np.com/" } });

            var p2 = store.GetDataObject(p1.Identity);
            var label = p2.GetPropertyValue(labelType);
            Assert.IsNotNull(label);
            Assert.AreEqual("graham", label);

            var label2 = p2.GetPropertyValue("np:label");
            Assert.IsNotNull(label2);
            Assert.AreEqual("graham", label2);
        }

        public void TestCurieObjectGetProperty()
        {
            IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
            var storeId = Guid.NewGuid().ToString();
            context.CreateStore(storeId);
            var store = context.OpenStore(storeId,
                                      new Dictionary<string, string> { { "np", "http://www.np.com/" } });

            var p1 = store.MakeDataObject();
            Assert.IsNotNull(p1);
            var labelType = store.MakeDataObject("np:label");
            p1.AddProperty(labelType, "graham");
            store.SaveChanges();

            var p2 = store.GetDataObject(p1.Identity);
            Assert.AreEqual(1, ((DataObject)p2).Triples.Count());
            var label = p2.GetPropertyValue(labelType);
            Assert.IsNotNull(label);
            Assert.AreEqual("graham", label);
        }

        public void TestDataObjectDeleteObjectsUsedInProperties()
        {
            IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
            var storeId = Guid.NewGuid().ToString();
            var store = context.CreateStore(storeId);

            //Categories
            var categoryType = store.MakeDataObject("http://www.networkedplanet.com/schemas/category");

            var nosql = store.MakeDataObject("http://www.networkedplanet.com/categories/nosql");
            nosql.SetType(categoryType);
            var dotnet = store.MakeDataObject("http://www.networkedplanet.com/categories/.net");
            dotnet.SetType(categoryType);
            var rdf = store.MakeDataObject("http://www.networkedplanet.com/categories/rdf");
            rdf.SetType(categoryType);
            var topicmaps = store.MakeDataObject("http://www.networkedplanet.com/categories/topicmaps");
            topicmaps.SetType(categoryType);
            
            store.SaveChanges();
            store = context.OpenStore(storeId);

            
            var allCategories = store.BindDataObjectsWithSparql("SELECT ?cat WHERE {?cat a <http://www.networkedplanet.com/schemas/category>}").ToList();
            Assert.IsNotNull(allCategories);
            Assert.AreEqual(4, allCategories.Count);
            foreach (var c in allCategories)
            {
                c.Delete();
            }
            store.SaveChanges();
            store = context.OpenStore(storeId);

            allCategories = store.BindDataObjectsWithSparql("SELECT ?cat WHERE {?cat a <http://www.networkedplanet.com/schemas/category>}").ToList();
            Assert.IsNotNull(allCategories);
            Assert.AreEqual(0, allCategories.Count);  // all categories have been deleted


            nosql = store.GetDataObject("http://www.networkedplanet.com/categories/nosql");

            Assert.AreEqual(0, ((DataObject)nosql).Triples.Count());
            

        }

        public void TestDataObjectProperties()
        {
            IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
            var storeId = Guid.NewGuid().ToString();
            var store = context.CreateStore(storeId);
            
            //products
            var productType = store.MakeDataObject("http://www.networkedplanet.com/schemas/product");

            var brightstarDb = store.MakeDataObject("http://www.networkedplanet.com/products/brightstar");
            brightstarDb.SetType(productType);

            //properties
            var name = store.MakeDataObject("http://www.networkedplanet.com/schemas/product/name");
            brightstarDb.SetProperty(name, "Brightstar DB");

            store.SaveChanges();
            store = context.OpenStore(storeId);

            brightstarDb = store.GetDataObject("http://www.networkedplanet.com/products/brightstar");
            Assert.IsNotNull(brightstarDb);
            Assert.IsNotNull(brightstarDb.GetPropertyValue(name));

        }

        public void TestRemoveProperty2()
        {
            var storeId = Guid.NewGuid().ToString();
            const string data = @"<http://www.np.com/objects/1> <http://www.np.com/types/p1> <http://www.np.com/objects/2> .
                  <http://www.np.com/objects/3> <http://www.np.com/types/p1> <http://www.np.com/objects/4> .";
            InitializeStore(storeId, data);
            IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
            var store = context.OpenStore(storeId);
            var obj1 = store.GetDataObject("http://www.np.com/objects/1");
            var obj1Related = obj1.GetPropertyValues("http://www.np.com/types/p1").OfType<IDataObject>().ToList();
            var obj3 = store.GetDataObject("http://www.np.com/objects/3");
            var obj3Related = obj3.GetPropertyValues("http://www.np.com/types/p1").OfType<IDataObject>().ToList();
            Assert.AreEqual(1, obj1Related.Count());
            Assert.IsTrue(obj1Related.Any(r=>r.Identity.Equals("http://www.np.com/objects/2")));
            Assert.AreEqual(1, obj3Related.Count());
            Assert.IsTrue(obj3Related.Any(r => r.Identity.Equals("http://www.np.com/objects/4")));


            obj3.AddProperty("http://www.np.com/types/p1", store.MakeDataObject("http://www.np.com/objects/5"));
            obj1.RemovePropertiesOfType("http://www.np.com/types/p1");
            obj1Related = obj1.GetPropertyValues("http://www.np.com/types/p1").OfType<IDataObject>().ToList();
            obj3Related = obj3.GetPropertyValues("http://www.np.com/types/p1").OfType<IDataObject>().ToList();
            Assert.AreEqual(0, obj1Related.Count());
            Assert.AreEqual(2, obj3Related.Count());
            Assert.IsTrue(obj3Related.Any(r => r.Identity.Equals("http://www.np.com/objects/4")));
            Assert.IsTrue(obj3Related.Any(r => r.Identity.Equals("http://www.np.com/objects/5")));

            store.SaveChanges();

            obj1 = store.GetDataObject("http://www.np.com/objects/1");
            obj1Related = obj1.GetPropertyValues("http://www.np.com/types/p1").OfType<IDataObject>().ToList();
            obj3 = store.GetDataObject("http://www.np.com/objects/3");
            obj3Related = obj3.GetPropertyValues("http://www.np.com/types/p1").OfType<IDataObject>().ToList();
            Assert.AreEqual(0, obj1Related.Count());
            Assert.AreEqual(2, obj3Related.Count());
            Assert.IsTrue(obj3Related.Any(r => r.Identity.Equals("http://www.np.com/objects/4")));
            Assert.IsTrue(obj3Related.Any(r => r.Identity.Equals("http://www.np.com/objects/5")));

        }

        public void TestSavedDataObjectPropertyIsSameAfterSave()
        {
            IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
            Assert.IsNotNull(context);
            var storeName = Guid.NewGuid().ToString();
            var store = context.CreateStore(storeName);
            Assert.IsNotNull(store);
            var p1 = store.MakeDataObject();
            Assert.IsNotNull(p1);

            var labelType = store.MakeDataObject("http://www.np.com/label"); 
            p1.SetProperty(labelType, "graham");

            store.SaveChanges();

            store = context.OpenStore(storeName);
            var p2 = store.GetDataObject(p1.Identity);
            Assert.IsNotNull(p2);
            Assert.AreEqual(p1.Identity, p2.Identity);

            var label = p2.GetPropertyValue(labelType);
            Assert.AreEqual("graham", label);
        }

        public void TestCreateDataObjectWithCurie()
        {
            IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
            Assert.IsNotNull(context);
            var storeName = Guid.NewGuid().ToString();
            var store = context.CreateStore(storeName);
            Assert.IsNotNull(store);
            store = context.OpenStore(storeName, new Dictionary<string, string> { { "people", "http://www.networkedplanet.com/people/" } });
            Assert.IsNotNull(store);

            var p1 = store.MakeDataObject("people:gra");
            Assert.IsNotNull(p1);
            Assert.AreEqual("http://www.networkedplanet.com/people/gra", p1.Identity);
        }

 public void TestOpenDataObjectStoreWithNamespaceMappings()
 {
     IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
     Assert.IsNotNull(context);
     var storeName = Guid.NewGuid().ToString();
     var store = context.CreateStore(storeName);
     Assert.IsNotNull(store);
     store = context.OpenStore(storeName, new Dictionary<string, string> { {"people", "http://www.networkedplanet.com/people/"}});
     Assert.IsNotNull(store);
 }

        public void TestRefreshSingleStoreWins()
        {
            IDataObjectContext context =
                new EmbeddedDataObjectContext(
                    new ConnectionString("type=embedded;optimisticLocking=true;storesDirectory=" +
                                         Configuration.StoreLocation + "\\"));
            var storeName = Guid.NewGuid().ToString();
            var store1 = context.CreateStore(storeName);
            var store1Alice = store1.MakeDataObject("http://example.org/alice");
            store1Alice.SetProperty("http://example.org/age", 21);
            store1.SaveChanges();

            var store2 = context.OpenStore(storeName);
            var store2Alice = store2.GetDataObject("http://example.org/alice");
            store2Alice.SetProperty("http://example.org/age", 22);
            store2.SaveChanges();

            store1Alice.SetProperty("http://example.org/age", 20);
            try
            {
                store1.SaveChanges();
                Assert.Fail("Expected a TransactionPreconditionsFailed exception");
            }
            catch (TransactionPreconditionsFailedException)
            {
                // Expected
                store1.Refresh(RefreshMode.StoreWins, store1Alice);
                Assert.AreEqual(22, store1Alice.GetPropertyValue("http://example.org/age"));
                store1.SaveChanges();

                // Should have forced the update through
                var store3 = context.OpenStore(storeName);
                var store3Alice = store3.GetDataObject(store1Alice.Identity);
                Assert.AreEqual(22, store3Alice.GetPropertyValue("http://example.org/age"));
            }
        }

        public void TestPreconditionsFailedException()
        {
            IDataObjectContext context =
                new EmbeddedDataObjectContext(
                    new ConnectionString("type=embedded;optimisticLocking=true;storesDirectory=" +
                                         Configuration.StoreLocation + "\\"));
            var storeName = Guid.NewGuid().ToString();
            var store1 = context.CreateStore(storeName);
            var store1Alice = store1.MakeDataObject("http://example.org/alice");
            store1Alice.SetProperty("http://example.org/age", 21);
            store1.SaveChanges();

            var store2 = context.OpenStore(storeName);
            var store2Alice = store2.GetDataObject("http://example.org/alice");
            store2Alice.SetProperty("http://example.org/age", 22);
            store2.SaveChanges();

            store1Alice.SetProperty("http://example.org/age", 20);
            try
            {
                store1.SaveChanges();
                Assert.Fail("Expected a TransactionPreconditionsFailed exception");
            }
            catch (TransactionPreconditionsFailedException ex)
            {
                // Expected
                Assert.AreEqual(1, ex.InvalidSubjects.Count());
                Assert.AreEqual("http://example.org/alice", ex.InvalidSubjects.First());
            }
        }

        public void TestQueryGreaterThan()
        {
            IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
            var storeName = Guid.NewGuid().ToString();
            context.CreateStore(storeName);

            Dictionary<string, string> namespaceMappings;
            SetUpData(context, storeName, out namespaceMappings);

            var store = context.OpenStore(storeName, namespaceMappings);
            const string highPay = "SELECT ?p ?s WHERE { ?p a <http://example.org/schema/person> . ?p <http://example.org/schema/salary> ?s . FILTER (?s>50000)  }";

            var sparqlResult = store.ExecuteSparql(highPay);

            Assert.IsNotNull(sparqlResult);
            var result = sparqlResult.ResultDocument;
            Assert.AreEqual(5, result.SparqlResultRows().Count());
        }

        public void TestRemoveLiteralProperty()
        {
            IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
            var storeId = Guid.NewGuid().ToString();
            var store = context.CreateStore(storeId);

            var p1 = store.MakeDataObject();
            var p2 = store.MakeDataObject();

            var o1 = store.MakeDataObject();
            o1.AddProperty(p1, "graham");
            o1.AddProperty(p2, 23);

            var o2 = store.MakeDataObject();
            o2.AddProperty(p1, "bob");
            o2.AddProperty(p2, 24);

            o2.RemoveProperty(p1, "bob");

            store.SaveChanges();
            store = context.OpenStore(storeId);

            var o3 = store.GetDataObject(o1.Identity);
            var o4 = store.GetDataObject(o2.Identity);

            Assert.AreEqual("graham", o3.GetPropertyValue(p1));
            Assert.AreEqual(23, o3.GetPropertyValue(p2));
            Assert.AreEqual(24, o4.GetPropertyValue(p2));
            Assert.IsNull(o4.GetPropertyValue(p1));
        }