/// <summary>
/// Transactional version of <seealso cref="countsForNode(Label)"/> </summary>
private long NumberOfNodesWith(Label label)
{
using (Transaction tx = Db.GraphDatabaseAPI.beginTx())
{
long nodeCount = CountsForNode(label);
tx.Success();
return(nodeCount);
}
}
private IndexDefinition IndexAliensBySpecimen()
{
using (Transaction tx = _db.beginTx())
{
IndexDefinition definition = _db.schema().indexFor(_alien).on(SPECIMEN).create();
tx.Success();
return(definition);
}
}
/// <summary>
/// Transactional version of <seealso cref="countsForRelationship(Label, RelationshipType, Label)"/>
/// </summary>
private MatchingRelationships NumberOfRelationshipsMatching(Label lhs, RelationshipType type, Label rhs)
{
using (Transaction tx = Db.GraphDatabaseAPI.beginTx())
{
long nodeCount = CountsForRelationship(lhs, type, rhs);
tx.Success();
return(new MatchingRelationships(string.Format("({0})-{1}->({2})", lhs == null ? "" : ":" + lhs.Name(), type == null ? "" : "[:" + type.Name() + "]", rhs == null ? "" : ":" + rhs.Name()), nodeCount));
}
}
private void CreateConstraint(GraphDatabaseService database)
{
using (Transaction transaction = database.BeginTx())
{
Schema schema = database.Schema();
Schema.constraintFor(_constraintIndexLabel).assertPropertyIsUnique(UNIQUE_PROPERTY_NAME).create();
transaction.Success();
}
}
private static IndexDefinition CreateIndex(GraphDatabaseService db)
{
using (Transaction tx = Db.beginTx())
{
IndexDefinition index = Db.schema().indexFor(LABEL_ONE).on(KEY).create();
tx.Success();
return(index);
}
}
private Node CreateEmptyNode(GraphDatabaseService db)
{
using (Transaction tx = Db.beginTx())
{
Node node = Db.createNode();
tx.Success();
return(node);
}
}
private static long NumberOfNodesHavingLabel(GraphDatabaseService db, Label label)
{
using (Transaction tx = Db.beginTx())
{
long count = count(Db.findNodes(label));
tx.Success();
return(count);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldCheckUniquenessWhenAddingLabel() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldCheckUniquenessWhenAddingLabel()
{
// GIVEN
long nodeConflicting, nodeNotConflicting;
AddConstraints("FOO", "prop");
using (Org.Neo4j.Graphdb.Transaction tx = graphDb.beginTx())
{
Node conflict = graphDb.createNode();
conflict.SetProperty("prop", 1337);
nodeConflicting = conflict.Id;
Node ok = graphDb.createNode();
ok.SetProperty("prop", 42);
nodeNotConflicting = ok.Id;
//Existing node
Node existing = graphDb.createNode();
existing.AddLabel(Label.label("FOO"));
existing.SetProperty("prop", 1337);
tx.Success();
}
int label;
using (Transaction tx = beginTransaction())
{
label = tx.tokenWrite().labelGetOrCreateForName("FOO");
//This is ok, since it will satisfy constraint
assertTrue(tx.dataWrite().nodeAddLabel(nodeNotConflicting, label));
try
{
tx.dataWrite().nodeAddLabel(nodeConflicting, label);
fail();
}
catch (ConstraintValidationException)
{
//ignore
}
tx.Success();
}
//Verify
using (Transaction tx = beginTransaction(), NodeCursor nodeCursor = tx.cursors().allocateNodeCursor())
{
//Node without conflict
tx.dataRead().singleNode(nodeNotConflicting, nodeCursor);
assertTrue(nodeCursor.Next());
assertTrue(nodeCursor.Labels().contains(label));
//Node with conflict
tx.dataRead().singleNode(nodeConflicting, nodeCursor);
assertTrue(nodeCursor.Next());
assertFalse(nodeCursor.Labels().contains(label));
}
}
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
//ORIGINAL LINE: private String getOrCreateSchemaState(String key, final String maybeSetThisState)
private string GetOrCreateSchemaState(string key, string maybeSetThisState)
{
using (Transaction tx = Db.beginTx())
{
KernelTransaction ktx = StatementContextSupplier.getKernelTransactionBoundToThisThread(true);
string state = ktx.SchemaRead().schemaStateGetOrCreate(key, s => maybeSetThisState);
tx.Success();
return(state);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Before public void setUp()
public virtual void SetUp()
{
GraphDatabaseAPI api = DbRule.GraphDatabaseAPI;
_graph = api;
DependencyResolver dependencyResolver = api.DependencyResolver;
this._bridge = dependencyResolver.ResolveDependency(typeof(ThreadToStatementContextBridge));
this._tx = _graph.beginTx();
}
private static void CreateRelationshipExplicitIndexWithSingleRelationship(GraphDatabaseService db, string indexName)
{
using (Transaction tx = Db.beginTx())
{
Relationship relationship = Db.createNode().createRelationshipTo(Db.createNode(), _type);
Index <Relationship> relationshipIndexIndex = Db.index().forRelationships(indexName);
relationshipIndexIndex.Add(relationship, "key", DateTimeHelper.CurrentUnixTimeMillis());
tx.Success();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testAsLittleAsPossibleRecoveryScenario() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void TestAsLittleAsPossibleRecoveryScenario()
{
using (Transaction tx = Db.beginTx())
{
Db.index().forNodes("my-index").add(Db.createNode(), "key", "value");
tx.Success();
}
ForceRecover();
}
private void CheckNodeOnSlave(long nodeId, HighlyAvailableGraphDatabase slave2)
{
using (Transaction tx = slave2.BeginTx())
{
string value = slave2.GetNodeById(nodeId).getProperty("Hello").ToString();
Logger.Logger.info("Hello=" + value);
assertEquals("World", value);
tx.Success();
}
}
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
//ORIGINAL LINE: private org.neo4j.test.OtherThreadExecutor.WorkerCommand<Void, org.neo4j.graphdb.Lock> acquireWriteLock(final org.neo4j.graphdb.Node resource)
private OtherThreadExecutor.WorkerCommand <Void, Lock> AcquireWriteLock(Node resource)
{
return(state =>
{
using (Transaction tx = _db.beginTx())
{
return tx.acquireWriteLock(resource);
}
});
}
private static void CreateNodeExplicitIndexWithSingleNode(GraphDatabaseService db, string indexName)
{
using (Transaction tx = Db.beginTx())
{
Node node = Db.createNode();
Index <Node> nodeIndex = Db.index().forNodes(indexName);
nodeIndex.Add(node, "key", DateTimeHelper.CurrentUnixTimeMillis());
tx.Success();
}
}
public override void CreateTestGraph(GraphDatabaseService graphDb)
{
using (Transaction tx = graphDb.BeginTx())
{
graphDb.Index().forNodes("foo").add(graphDb.CreateNode(), "bar", "this is it");
Relationship edge = graphDb.CreateNode().createRelationshipTo(graphDb.CreateNode(), withName("LALA"));
graphDb.Index().forRelationships("rels").add(edge, "alpha", "betting on the wrong string");
tx.Success();
}
}
private void CreateData()
{
Label label = Label.label("toRetry");
using (Transaction transaction = _database.beginTx())
{
Node node = _database.createNode(label);
node.SetProperty("c", "d");
transaction.Success();
}
}
public override long?apply(GraphDatabaseService graphDb)
{
using (Transaction tx = graphDb.BeginTx())
{
_rel.delete();
long whatThisThreadSees = outerInstance.countsForRelationship(null, null, null);
_barrier.reached();
tx.Success();
return(whatThisThreadSees);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Before public void setup()
public virtual void Setup()
{
using (Org.Neo4j.Graphdb.Transaction tx = graphDb.beginTx())
{
foreach (ConstraintDefinition definition in graphDb.schema().Constraints)
{
definition.Drop();
}
tx.Success();
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void getNonExistentGraphPropertyWithDefaultValue()
public virtual void getNonExistentGraphPropertyWithDefaultValue()
{
GraphDatabaseAPI db = ( GraphDatabaseAPI )_factory.newImpermanentDatabase();
PropertyContainer graphProperties = Properties(db);
Transaction tx = Db.beginTx();
assertEquals("default", graphProperties.GetProperty("test", "default"));
tx.Success();
tx.Close();
Db.shutdown();
}
private static void ExecuteDummyTxs(GraphDatabaseService db, int count)
{
for (int i = 0; i < count; i++)
{
using (Transaction tx = Db.beginTx())
{
Db.createNode();
tx.Success();
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldSeeLabelChangesInTransaction() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldSeeLabelChangesInTransaction()
{
long nodeId;
int toRetain, toDelete, toAdd, toRegret;
const string toRetainName = "ToRetain";
const string toDeleteName = "ToDelete";
const string toAddName = "ToAdd";
const string toRegretName = "ToRegret";
using (Transaction tx = beginTransaction())
{
nodeId = tx.DataWrite().nodeCreate();
toRetain = tx.Token().labelGetOrCreateForName(toRetainName);
toDelete = tx.Token().labelGetOrCreateForName(toDeleteName);
tx.DataWrite().nodeAddLabel(nodeId, toRetain);
tx.DataWrite().nodeAddLabel(nodeId, toDelete);
tx.Success();
}
using (Org.Neo4j.Graphdb.Transaction ignore = graphDb.beginTx())
{
assertThat(graphDb.getNodeById(nodeId).Labels, containsInAnyOrder(label(toRetainName), label(toDeleteName)));
}
using (Transaction tx = beginTransaction())
{
toAdd = tx.Token().labelGetOrCreateForName(toAddName);
tx.DataWrite().nodeAddLabel(nodeId, toAdd);
tx.DataWrite().nodeRemoveLabel(nodeId, toDelete);
toRegret = tx.Token().labelGetOrCreateForName(toRegretName);
tx.DataWrite().nodeAddLabel(nodeId, toRegret);
tx.DataWrite().nodeRemoveLabel(nodeId, toRegret);
using (NodeCursor node = tx.Cursors().allocateNodeCursor())
{
tx.DataRead().singleNode(nodeId, node);
assertTrue("should access node", node.Next());
AssertLabels(node.Labels(), toRetain, toAdd);
assertTrue(node.HasLabel(toAdd));
assertTrue(node.HasLabel(toRetain));
assertFalse(node.HasLabel(toDelete));
assertFalse(node.HasLabel(toRegret));
assertFalse("should only find one node", node.Next());
}
tx.Success();
}
using (Org.Neo4j.Graphdb.Transaction ignored = graphDb.beginTx())
{
assertThat(graphDb.getNodeById(nodeId).Labels, containsInAnyOrder(label(toRetainName), label(toAddName)));
}
}
private static void CreateSomeLabeledNodes(GraphDatabaseService db, params Label[][] labelArrays)
{
using (Transaction tx = Db.beginTx())
{
foreach (Label[] labels in labelArrays)
{
Db.createNode(labels);
}
tx.Success();
}
}
protected internal override void generateInitialData(GraphDatabaseService graphDb)
{
// TODO: create bigger sample graph here
using (Org.Neo4j.Graphdb.Transaction tx = graphDb.BeginTx())
{
Node node1 = set(graphDb.CreateNode(label("Foo")));
Node node2 = set(graphDb.CreateNode(label("Foo")), property("key", "value"));
node1.CreateRelationshipTo(node2, RelationshipType.withName("C"));
tx.Success();
}
}
private static long CreateNode(GraphDatabaseService db)
{
long node1;
using (Transaction tx = Db.beginTx())
{
node1 = Db.createNode().Id;
tx.Success();
}
return(node1);
}
public virtual void FinishTx(bool success)
{
if (_tx != null)
{
if (success)
{
_tx.success();
}
_tx.close();
_tx = null;
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotFindRemovedProperties() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotFindRemovedProperties()
{
IndexReference index;
using (KernelTransactionImplementation tx = KernelTransaction)
{
SchemaDescriptor descriptor = FulltextAdapter.schemaFor(NODE, new string[] { Label.name() }, Settings, "prop", "prop2");
index = tx.SchemaWrite().indexCreate(descriptor, FulltextIndexProviderFactory.Descriptor.name(), NODE_INDEX_NAME);
tx.Success();
}
Await(index);
long firstID;
long secondID;
long thirdID;
using (Transaction tx = Db.beginTx())
{
firstID = CreateNodeIndexableByPropertyValue(Label, "Hello. Hello again.");
secondID = CreateNodeIndexableByPropertyValue(Label, "A zebroid (also zedonk, zorse, zebra mule, zonkey, and zebmule) is the offspring of any " + "cross between a zebra and any other equine: essentially, a zebra hybrid.");
thirdID = CreateNodeIndexableByPropertyValue(Label, "Hello. Hello again.");
SetNodeProp(firstID, "zebra");
SetNodeProp(secondID, "Hello. Hello again.");
tx.Success();
}
using (Transaction tx = Db.beginTx())
{
Node node = Db.getNodeById(firstID);
Node node2 = Db.getNodeById(secondID);
Node node3 = Db.getNodeById(thirdID);
node.SetProperty("prop", "tomtar");
node.SetProperty("prop2", "tomtar");
node2.SetProperty("prop", "tomtar");
node2.SetProperty("prop2", "Hello");
node3.RemoveProperty("prop");
tx.Success();
}
using (Transaction tx = Db.beginTx())
{
KernelTransaction ktx = KernelTransaction(tx);
AssertQueryFindsIds(ktx, NODE_INDEX_NAME, "hello", secondID);
AssertQueryFindsNothing(ktx, NODE_INDEX_NAME, "zebra");
AssertQueryFindsNothing(ktx, NODE_INDEX_NAME, "zedonk");
AssertQueryFindsNothing(ktx, NODE_INDEX_NAME, "cross");
}
}
public override long?apply(GraphDatabaseService graphDb)
{
using (Transaction tx = graphDb.BeginTx())
{
graphDb.CreateNode();
graphDb.CreateNode();
_barrier.reached();
long whatThisThreadSees = outerInstance.countsForNode();
tx.Success();
return(whatThisThreadSees);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testSetDoubleArrayProperty()
public virtual void TestSetDoubleArrayProperty()
{
using (Transaction ignore = _db.beginTx())
{
Node node = _db.createNode();
for (int i = 0; i < 100; i++)
{
node.SetProperty("foo", new double[] { 0, 0, i, i });
assertArrayEquals(new double[] { 0, 0, i, i }, ( double[] )node.GetProperty("foo"), 0.1D);
}
}
}
private T FindSingle <T>(GraphDatabaseService db, Index <T> index, string key, string value, System.Func <IndexHits <T>, T> getter) where T : Org.Neo4j.Graphdb.PropertyContainer
{
using (Transaction tx = Db.beginTx())
{
using (IndexHits <T> hits = index.get(key, value))
{
T entity = getter(hits);
tx.Success();
return(entity);
}
}
}
