//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private long createPersonNode(org.neo4j.kernel.api.KernelTransaction ktx, Object value) throws org.neo4j.internal.kernel.api.exceptions.KernelException
private long CreatePersonNode(KernelTransaction ktx, object value)
{
int labelId = ktx.TokenWrite().labelGetOrCreateForName(PERSON_LABEL);
int propertyKeyId = ktx.TokenWrite().propertyKeyGetOrCreateForName(NAME_PROPERTY);
long nodeId = ktx.DataWrite().nodeCreate();
ktx.DataWrite().nodeAddLabel(nodeId, labelId);
ktx.DataWrite().nodeSetProperty(nodeId, propertyKeyId, Values.of(value));
return(nodeId);
}
public override ConstraintDefinition CreatePropertyExistenceConstraint(RelationshipType type, string propertyKey)
{
KernelTransaction transaction = SafeAcquireTransaction(TransactionSupplier);
using (Statement ignore = transaction.AcquireStatement())
{
try
{
TokenWrite tokenWrite = transaction.TokenWrite();
int typeId = tokenWrite.RelationshipTypeGetOrCreateForName(type.Name());
int[] propertyKeyId = getOrCreatePropertyKeyIds(tokenWrite, propertyKey);
transaction.SchemaWrite().relationshipPropertyExistenceConstraintCreate(SchemaDescriptorFactory.forRelType(typeId, propertyKeyId));
return(new RelationshipPropertyExistenceConstraintDefinition(this, type, propertyKey));
}
catch (Exception e) when(e is AlreadyConstrainedException || e is CreateConstraintFailureException || e is RepeatedSchemaComponentException)
{
throw new ConstraintViolationException(e.getUserMessage(new SilentTokenNameLookup(transaction.TokenRead())), e);
}
catch (IllegalTokenNameException e)
{
throw new System.ArgumentException(e);
}
catch (Exception e) when(e is InvalidTransactionTypeKernelException || e is SchemaKernelException)
{
throw new ConstraintViolationException(e.Message, e);
}
}
}
public override ConstraintDefinition CreatePropertyExistenceConstraint(Label label, params string[] propertyKeys)
{
KernelTransaction transaction = SafeAcquireTransaction(TransactionSupplier);
using (Statement ignore = transaction.AcquireStatement())
{
try
{
TokenWrite tokenWrite = transaction.TokenWrite();
int labelId = tokenWrite.LabelGetOrCreateForName(label.Name());
int[] propertyKeyIds = getOrCreatePropertyKeyIds(tokenWrite, propertyKeys);
transaction.SchemaWrite().nodePropertyExistenceConstraintCreate(forLabel(labelId, propertyKeyIds));
return(new NodePropertyExistenceConstraintDefinition(this, label, propertyKeys));
}
catch (Exception e) when(e is AlreadyConstrainedException || e is CreateConstraintFailureException || e is RepeatedSchemaComponentException)
{
throw new ConstraintViolationException(e.getUserMessage(new SilentTokenNameLookup(transaction.TokenRead())), e);
}
catch (IllegalTokenNameException e)
{
throw new System.ArgumentException(e);
}
catch (TooManyLabelsException e)
{
throw new System.InvalidOperationException(e);
}
catch (Exception e) when(e is InvalidTransactionTypeKernelException || e is SchemaKernelException)
{
throw new ConstraintViolationException(e.Message, e);
}
}
}
public override IndexDefinition CreateIndexDefinition(Label label, Optional <string> indexName, params string[] propertyKeys)
{
KernelTransaction transaction = SafeAcquireTransaction(TransactionSupplier);
using (Statement ignore = transaction.AcquireStatement())
{
try
{
TokenWrite tokenWrite = transaction.TokenWrite();
int labelId = tokenWrite.LabelGetOrCreateForName(label.Name());
int[] propertyKeyIds = getOrCreatePropertyKeyIds(tokenWrite, propertyKeys);
LabelSchemaDescriptor descriptor = forLabel(labelId, propertyKeyIds);
IndexReference indexReference = transaction.SchemaWrite().indexCreate(descriptor, indexName);
return(new IndexDefinitionImpl(this, indexReference, new Label[] { label }, propertyKeys, false));
}
catch (IllegalTokenNameException e)
{
throw new System.ArgumentException(e);
}
catch (Exception e) when(e is InvalidTransactionTypeKernelException || e is SchemaKernelException)
{
throw new ConstraintViolationException(e.GetUserMessage(new SilentTokenNameLookup(transaction.TokenRead())), e);
}
}
}
public override void AddLabel(Label label)
{
KernelTransaction transaction = _spi.kernelTransaction();
try
{
using (Statement ignore = transaction.AcquireStatement())
{
transaction.DataWrite().nodeAddLabel(Id, transaction.TokenWrite().labelGetOrCreateForName(label.Name()));
}
}
catch (ConstraintValidationException e)
{
throw new ConstraintViolationException(e.GetUserMessage(new SilentTokenNameLookup(transaction.TokenRead())), e);
}
catch (IllegalTokenNameException e)
{
throw new ConstraintViolationException(format("Invalid label name '%s'.", label.Name()), e);
}
catch (TooManyLabelsException e)
{
throw new ConstraintViolationException("Unable to add label.", e);
}
catch (EntityNotFoundException e)
{
throw new NotFoundException("No node with id " + Id + " found.", e);
}
catch (KernelException e)
{
throw new ConstraintViolationException(e.Message, e);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public Object removeProperty(String key) throws org.neo4j.graphdb.NotFoundException
public override object RemoveProperty(string key)
{
KernelTransaction transaction = _spi.kernelTransaction();
try
{
using (Statement ignore = transaction.AcquireStatement())
{
int propertyKeyId = transaction.TokenWrite().propertyKeyGetOrCreateForName(key);
return(transaction.DataWrite().nodeRemoveProperty(_nodeId, propertyKeyId).asObjectCopy());
}
}
catch (EntityNotFoundException e)
{
throw new NotFoundException(e);
}
catch (IllegalTokenNameException e)
{
throw new System.ArgumentException(format("Invalid property key '%s'.", key), e);
}
catch (InvalidTransactionTypeKernelException e)
{
throw new ConstraintViolationException(e.Message, e);
}
catch (AutoIndexingKernelException e)
{
throw new System.InvalidOperationException("Auto indexing encountered a failure while removing property: " + e.Message, e);
}
}
public override object RemoveProperty(string key)
{
KernelTransaction transaction = SafeAcquireTransaction();
int propertyKeyId;
try
{
propertyKeyId = transaction.TokenWrite().propertyKeyGetOrCreateForName(key);
}
catch (IllegalTokenNameException e)
{
throw new System.ArgumentException(format("Invalid property key '%s'.", key), e);
}
try
{
using (Statement ignore = transaction.AcquireStatement())
{
return(transaction.DataWrite().graphRemoveProperty(propertyKeyId).asObjectCopy());
}
}
catch (InvalidTransactionTypeKernelException e)
{
throw new ConstraintViolationException(e.Message, e);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private org.neo4j.internal.kernel.api.IndexReference createPersonNameIndex() throws org.neo4j.internal.kernel.api.exceptions.KernelException
private IndexReference CreatePersonNameIndex()
{
using (Transaction tx = _db.beginTx())
{
IndexReference index;
KernelTransaction ktx = _bridge.getKernelTransactionBoundToThisThread(true);
using (Statement ignore = ktx.AcquireStatement())
{
int labelId = ktx.TokenWrite().labelGetOrCreateForName(PERSON_LABEL);
int propertyKeyId = ktx.TokenWrite().propertyKeyGetOrCreateForName(NAME_PROPERTY);
LabelSchemaDescriptor descriptor = forLabel(labelId, propertyKeyId);
index = ktx.SchemaWrite().indexCreate(descriptor);
}
tx.Success();
return(index);
}
}
public override void SetProperty(string key, object value)
{
KernelTransaction transaction = _spi.kernelTransaction();
int propertyKeyId;
try
{
propertyKeyId = transaction.TokenWrite().propertyKeyGetOrCreateForName(key);
}
catch (IllegalTokenNameException e)
{
throw new System.ArgumentException(format("Invalid property key '%s'.", key), e);
}
try
{
using (Statement ignore = transaction.AcquireStatement())
{
transaction.DataWrite().nodeSetProperty(_nodeId, propertyKeyId, Values.of(value, false));
}
}
catch (ConstraintValidationException e)
{
throw new ConstraintViolationException(e.GetUserMessage(new SilentTokenNameLookup(transaction.TokenRead())), e);
}
catch (System.ArgumentException e)
{
// Trying to set an illegal value is a critical error - fail this transaction
_spi.failTransaction();
throw e;
}
catch (EntityNotFoundException e)
{
throw new NotFoundException(e);
}
catch (InvalidTransactionTypeKernelException e)
{
throw new ConstraintViolationException(e.Message, e);
}
catch (AutoIndexingKernelException e)
{
throw new System.InvalidOperationException("Auto indexing encountered a failure while setting property: " + e.Message, e);
}
catch (KernelException e)
{
throw new ConstraintViolationException(e.Message, e);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public long makeNode(String label) throws org.neo4j.internal.kernel.api.exceptions.ProcedureException
public virtual long MakeNode(string label)
{
long result;
try
{
using (Transaction tx = _graph.beginTransaction(KernelTransaction.Type.@explicit, AnonymousContext.write()))
{
KernelTransaction ktx = _txBridge.getKernelTransactionBoundToThisThread(true);
long nodeId = ktx.DataWrite().nodeCreate();
int labelId = ktx.TokenWrite().labelGetOrCreateForName(label);
ktx.DataWrite().nodeAddLabel(nodeId, labelId);
result = nodeId;
tx.Success();
}
}
catch (Exception e)
{
_log.error("Failed to create node: " + e.Message);
throw new ProcedureException(Org.Neo4j.Kernel.Api.Exceptions.Status_Procedure.ProcedureCallFailed, "Failed to create node: " + e.Message, e);
}
return(result);
}
public override ConstraintDefinition CreateNodeKeyConstraint(IndexDefinition indexDefinition)
{
if (indexDefinition.MultiTokenIndex)
{
throw new ConstraintViolationException("A node key constraint does not support multi-token index definitions. " + "That is, only a single label is supported, but the following labels were provided: " + labelNameList(indexDefinition.Labels, "", "."));
}
KernelTransaction transaction = SafeAcquireTransaction(TransactionSupplier);
using (Statement ignore = transaction.AcquireStatement())
{
try
{
TokenWrite tokenWrite = transaction.TokenWrite();
int labelId = tokenWrite.LabelGetOrCreateForName(single(indexDefinition.Labels).name());
int[] propertyKeyIds = getOrCreatePropertyKeyIds(tokenWrite, indexDefinition);
transaction.SchemaWrite().nodeKeyConstraintCreate(forLabel(labelId, propertyKeyIds));
return(new NodeKeyConstraintDefinition(this, indexDefinition));
}
catch (Exception e) when(e is AlreadyConstrainedException || e is CreateConstraintFailureException || e is AlreadyIndexedException || e is RepeatedSchemaComponentException)
{
throw new ConstraintViolationException(e.getUserMessage(new SilentTokenNameLookup(transaction.TokenRead())), e);
}
catch (IllegalTokenNameException e)
{
throw new System.ArgumentException(e);
}
catch (TooManyLabelsException e)
{
throw new System.InvalidOperationException(e);
}
catch (Exception e) when(e is InvalidTransactionTypeKernelException || e is SchemaKernelException)
{
throw new ConstraintViolationException(e.Message, e);
}
}
}
public override Relationship CreateRelationshipTo(Node otherNode, RelationshipType type)
{
if (otherNode == null)
{
throw new System.ArgumentException("Other node is null.");
}
// TODO: This is the checks we would like to do, but we have tests that expect to mix nodes...
//if ( !(otherNode instanceof NodeProxy) || (((NodeProxy) otherNode).actions != actions) )
//{
// throw new IllegalArgumentException( "Nodes do not belong to same graph database." );
//}
KernelTransaction transaction = SafeAcquireTransaction();
try
{
using (Statement ignore = transaction.AcquireStatement())
{
int relationshipTypeId = transaction.TokenWrite().relationshipTypeGetOrCreateForName(type.Name());
long relationshipId = transaction.DataWrite().relationshipCreate(_nodeId, relationshipTypeId, otherNode.Id);
return(_spi.newRelationshipProxy(relationshipId, _nodeId, relationshipTypeId, otherNode.Id));
}
}
catch (IllegalTokenNameException e)
{
throw new System.ArgumentException(e);
}
catch (EntityNotFoundException e)
{
throw new NotFoundException("Node[" + e.entityId() + "] is deleted and cannot be used to create a relationship");
}
catch (InvalidTransactionTypeKernelException e)
{
throw new ConstraintViolationException(e.Message, e);
}
}
