コード例 #1
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldRecoverTransactionWhereManyLabelsAreRemovedInTheFuture() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void ShouldRecoverTransactionWhereManyLabelsAreRemovedInTheFuture()
        {
            // GIVEN
            CreateIndex(_label, "key");
            Label[] labels = new Label[16];
            for (int i = 0; i < labels.Length; i++)
            {
                labels[i] = label("Label" + i.ToString("x"));
            }
            Node node;

            using (Transaction tx = _db.beginTx())
            {
                node = _db.createNode(labels);
                node.AddLabel(_label);
                tx.Success();
            }
            CheckPoint();
            SetProperty(node, "key", "value");
            RemoveLabels(node, labels);
            _flush.flush(_db);

            // WHEN
            CrashAndRestart();

            // THEN
            // -- really the problem was that recovery threw exception, so mostly assert that.
            using (Transaction tx = _db.beginTx())
            {
                assertEquals(node, _db.findNode(_label, "key", "value"));
                tx.Success();
            }
        }
コード例 #2
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Before public void startDb()
        public virtual void StartDb()
        {
            _graphDb = ( GraphDatabaseAPI )(new TestGraphDatabaseFactory()).newImpermanentDatabaseBuilder().setConfig(new Dictionary <string, string>()).newGraphDatabase();

            using (Transaction tx = _graphDb.beginTx())
            {
                // Create the node and relationship auto-indexes
                _graphDb.index().NodeAutoIndexer.Enabled = true;
                _graphDb.index().NodeAutoIndexer.startAutoIndexingProperty("nodeProp");
                _graphDb.index().RelationshipAutoIndexer.Enabled = true;
                _graphDb.index().RelationshipAutoIndexer.startAutoIndexingProperty("type");

                tx.Success();
            }

            using (Transaction tx = _graphDb.beginTx())
            {
                Node node1 = _graphDb.createNode();
                Node node2 = _graphDb.createNode();
                Node node3 = _graphDb.createNode();
                _id1 = node1.Id;
                _id2 = node2.Id;
                _id3 = node3.Id;
                Relationship rel = node1.CreateRelationshipTo(node2, RelationshipType.withName("FOO"));
                rel.SetProperty("type", "FOO");

                tx.Success();
            }
        }
コード例 #3
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void transactionShouldReleaseLocksWhenGraphDbIsBeingShutdown()
        public virtual void TransactionShouldReleaseLocksWhenGraphDbIsBeingShutdown()
        {
            // GIVEN
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.impl.locking.Locks locks = db.getDependencyResolver().resolveDependency(org.neo4j.kernel.impl.locking.Locks.class);
            Locks locks = _db.DependencyResolver.resolveDependency(typeof(Locks));

            assertEquals(0, LockCount(locks));
            Exception exceptionThrownByTxClose = null;

            // WHEN
            try
            {
                using (Transaction tx = _db.beginTx())
                {
                    Node node = _db.createNode();
                    tx.AcquireWriteLock(node);
                    assertThat(LockCount(locks), greaterThanOrEqualTo(1));

                    _db.shutdown();

                    _db.createNode();
                    tx.Success();
                }
            }
            catch (Exception e)
            {
                exceptionThrownByTxClose = e;
            }

            // THEN
            assertThat(exceptionThrownByTxClose, instanceOf(typeof(DatabaseShutdownException)));
            assertFalse(_db.isAvailable(1));
            assertEquals(0, LockCount(locks));
        }
コード例 #4
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void getAllNodesIteratorShouldPickUpHigherIdsThanHighIdWhenStarted() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void getAllNodesIteratorShouldPickUpHigherIdsThanHighIdWhenStarted()
        {
            {
                // GIVEN
                Transaction tx = _db.beginTx();
                _db.createNode();
                _db.createNode();
                tx.Success();
                tx.Close();
            }

            // WHEN iterator is started
            Transaction        transaction = _db.beginTx();
            IEnumerator <Node> allNodes    = _db.AllNodes.GetEnumerator();

//JAVA TO C# CONVERTER TODO TASK: Java iterators are only converted within the context of 'while' and 'for' loops:
            allNodes.next();

            // and WHEN another node is then added
            Thread thread = new Thread(() =>
            {
                Transaction newTx = _db.beginTx();
                assertThat(newTx, not(instanceOf(typeof(PlaceboTransaction))));
                _db.createNode();
                newTx.success();
                newTx.close();
            });

            thread.Start();
            thread.Join();

            // THEN the new node is picked up by the iterator
            assertThat(addToCollection(allNodes, new List <>()).size(), @is(2));
            transaction.Close();
        }
コード例 #5
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 private Node CreateLabeledNode()
 {
     using (Transaction tx = _db.beginTx())
     {
         Node node = _db.createNode(_label);
         tx.Success();
         return(node);
     }
 }
コード例 #6
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldSetSingleProperty() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void ShouldSetSingleProperty()
        {
            // Given
            Node node = _db.createNode();

            // When
            _propSetter.setProperty(node, "name", "bob");

            // Then
            assertThat(node.GetProperty("name"), @is("bob"));
        }
コード例 #7
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void fulltextIndexesMustBeUpdatedByIncrementalBackup()
        public virtual void FulltextIndexesMustBeUpdatedByIncrementalBackup()
        {
            InitializeTestData();
            File backup = _dir.databaseDir("backup");

            OnlineBackup.from("127.0.0.1", _backupPort).backup(backup);

            long nodeId3;
            long nodeId4;
            long relId2;

            using (Transaction tx = _db.beginTx())
            {
                Node node3 = _db.createNode(_label);
                node3.SetProperty(PROP, "Additional data.");
                Node node4 = _db.createNode(_label);
                node4.SetProperty(PROP, "Even more additional data.");
                Relationship rel = node3.CreateRelationshipTo(node4, _rel);
                rel.SetProperty(PROP, "Knows of");
                nodeId3 = node3.Id;
                nodeId4 = node4.Id;
                relId2  = rel.Id;
                tx.Success();
            }
            VerifyData(_db);

            OnlineBackup.from("127.0.0.1", _backupPort).backup(backup);
            _db.shutdown();

            GraphDatabaseAPI backupDb = StartBackupDatabase(backup);

            VerifyData(backupDb);

            using (Transaction tx = backupDb.BeginTx())
            {
                using (Result nodes = backupDb.Execute(format(QUERY_NODES, NODE_INDEX, "additional")))
                {
                    IList <long> nodeIds = nodes.Select(m => (( Node )m.get(NODE)).Id).ToList();
                    assertThat(nodeIds, containsInAnyOrder(nodeId3, nodeId4));
                }
                using (Result relationships = backupDb.Execute(format(QUERY_RELS, REL_INDEX, "knows")))
                {
                    IList <long> relIds = relationships.Select(m => (( Relationship )m.get(RELATIONSHIP)).Id).ToList();
                    assertThat(relIds, containsInAnyOrder(relId2));
                }
                tx.Success();
            }
        }
コード例 #8
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 private void CreateLegacyIndex()
 {
     using (Transaction tx = _graphDb.beginTx())
     {
         Index <Node> nodeIndex = _graphDb.index().forNodes(INDEX);
         nodeIndex.Add(_graphDb.createNode(), "some-key", "som-value");
         tx.Success();
     }
 }
コード例 #9
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 private Node CreateNode()
 {
     using (Transaction tx = _graphDb.beginTx())
     {
         Node node = _graphDb.createNode();
         tx.Success();
         return(node);
     }
 }
コード例 #10
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 protected internal static Node CreateLabeledNode(GraphDatabaseService db, IDictionary <string, object> properties, params Label[] labels)
 {
     using (Transaction tx = Db.beginTx())
     {
         Node node = Db.createNode(labels);
         foreach (KeyValuePair <string, object> property in properties.SetOfKeyValuePairs())
         {
             node.SetProperty(property.Key, property.Value);
         }
         tx.Success();
         return(node);
     }
 }
コード例 #11
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ファイル: DatabaseRule.cs プロジェクト: Neo4Net/Neo4Net
 public override Node CreateNode()
 {
     return(_database.createNode());
 }
コード例 #12
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ファイル: DatabaseRule.cs プロジェクト: Neo4Net/Neo4Net
 public override Node CreateNode(params Label[] labels)
 {
     return(GraphDatabaseAPI.createNode(labels));
 }
コード例 #13
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//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testNodeAutoIndexFromAPISanity()
        public virtual void TestNodeAutoIndexFromAPISanity()
        {
            NewTransaction();
            AutoIndexer <Node> autoIndexer = _graphDb.index().NodeAutoIndexer;

            autoIndexer.StartAutoIndexingProperty("test_uuid");
            autoIndexer.Enabled = true;
            assertEquals(1, autoIndexer.AutoIndexedProperties.Count);
            assertTrue(autoIndexer.AutoIndexedProperties.Contains("test_uuid"));

            Node node1 = _graphDb.createNode();

            node1.SetProperty("test_uuid", "node1");
            Node node2 = _graphDb.createNode();

            node2.SetProperty("test_uuid", "node2");

            NewTransaction();

            assertEquals(node1, autoIndexer.AutoIndex.get("test_uuid", "node1").Single);
            assertEquals(node2, autoIndexer.AutoIndex.get("test_uuid", "node2").Single);
        }