C# Client.EmbeddedDataObjectContext类代码示例

 public void TestCreateDataObjectContext()
 {
     var connectionString =
         new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\");
     IDataObjectContext context = new EmbeddedDataObjectContext(connectionString);
     Assert.IsNotNull(context);
 }

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

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

            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();

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

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

            var p1 = store.MakeDataObject();
            var p2 = store.MakeDataObject();
            Assert.IsNotNull(p1);
            var classificationType = store.MakeDataObject("http://www.np.com/classification");
            p1.SetProperty(classificationType, p1);
            p1.SetProperty(classificationType, p2);

            store.SaveChanges();

            var p3 = store.GetDataObject(p1.Identity);
            Assert.AreEqual(2, ((DataObject)p3).Triples.Count());

            var store1 = context.OpenStore(storeId, optimisticLockingEnabled: true);
            var e1 = store1.GetDataObject(p1.Identity);

            var store2 = context.OpenStore(storeId, optimisticLockingEnabled: true);
            var e2 = store2.GetDataObject(p1.Identity);

            e1.SetProperty("http://www.np.com/types/label", "gra");

            store1.SaveChanges();

            e2.SetProperty("http://www.np.com/types/label", "gra");
            store2.SaveChanges();
        }

        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 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 TestAnonymousDataObjects()
        {
            // a resource with an anon data object which links to two other objects
            const string data = @"<http://www.np.com/objects/1> <http://www.np.com/types/p1> _:anon1 . 
                         _:anon1 <http://www.np.com/types/p2> <http://www.np.com/objects/2> . 
                         _:anon1 <http://www.np.com/types/p2> <http://www.np.com/objects/3> . ";

            var storeId = Guid.NewGuid().ToString();
            InitializeStore(storeId, data);

            IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
            var store = context.OpenStore(storeId);

            var obj = store.GetDataObject("http://www.np.com/objects/1");


            var bnode = obj.GetPropertyValue("http://www.np.com/types/p1") as IDataObject;

            Assert.IsNotNull(bnode);
            Assert.IsTrue(bnode.Identity.StartsWith("http://www.brightstardb.com/.well-known/genid/"));
        }

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

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

            var propValue = p1.GetPropertyValue(ageType);

            Assert.AreEqual(propValue, "graham");
        }

 public void TestCreateDataObjectWithIdentity()
 {
     IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
     Assert.IsNotNull(context);
     var store = context.CreateStore(Guid.NewGuid().ToString());
     Assert.IsNotNull(store);
     var p1 = store.MakeDataObject("http://www.networkedplanet.com/staff/jen");
     Assert.IsNotNull(p1);
     Assert.AreEqual(0, ((DataObject)p1).Triples.Count());
     Assert.IsNotNull(p1.Identity);
     Assert.AreEqual("http://www.networkedplanet.com/staff/jen", p1.Identity);
 }

        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 TestCreateDataObject()
 {
     IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
     Assert.IsNotNull(context);
     var store = context.CreateStore(Guid.NewGuid().ToString());
     Assert.IsNotNull(store);
     var p1 = store.MakeDataObject();
     Assert.IsNotNull(p1);
     Assert.AreEqual(0, ((DataObject)p1).Triples.Count());
 }

 public void TestCreateDataObjectWithString()
 {
     IDataObjectContext context = new EmbeddedDataObjectContext(new ConnectionString("type=embedded;storesDirectory=" + Configuration.StoreLocation + "\\"));
     Assert.IsNotNull(context);
     var store = context.CreateStore(Guid.NewGuid().ToString());
     Assert.IsNotNull(store);
     var p1 = store.MakeDataObject("http://www.networkedplanet.com/people/gra");
     Assert.IsNotNull(p1);
 }