/// <summary>
/// Fetches a given property from a node
/// </summary>
/// <param name="read"> The current Read instance </param>
/// <param name="nodeCursor"> The node cursor to use </param>
/// <param name="node"> The id of the node </param>
/// <param name="propertyCursor"> The property cursor to use </param>
/// <param name="prop"> The id of the property to find </param>
/// <returns> The value of the given property </returns>
/// <exception cref="EntityNotFoundException"> If the node cannot be find. </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public static org.neo4j.values.storable.Value nodeGetProperty(org.neo4j.internal.kernel.api.Read read, org.neo4j.internal.kernel.api.NodeCursor nodeCursor, long node, org.neo4j.internal.kernel.api.PropertyCursor propertyCursor, int prop) throws org.neo4j.internal.kernel.api.exceptions.EntityNotFoundException
public static Value NodeGetProperty(Read read, NodeCursor nodeCursor, long node, PropertyCursor propertyCursor, int prop)
{
if (prop == StatementConstants.NO_SUCH_PROPERTY_KEY)
{
return(Values.NO_VALUE);
}
SingleNode(read, nodeCursor, node);
nodeCursor.Properties(propertyCursor);
while (propertyCursor.Next())
{
if (propertyCursor.PropertyKey() == prop)
{
return(propertyCursor.PropertyValue());
}
}
return(Values.NO_VALUE);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void validateNodePropertyExistenceConstraint(org.neo4j.internal.kernel.api.NodeLabelIndexCursor allNodes, org.neo4j.internal.kernel.api.NodeCursor nodeCursor, org.neo4j.internal.kernel.api.PropertyCursor propertyCursor, org.neo4j.internal.kernel.api.schema.LabelSchemaDescriptor descriptor) throws org.neo4j.internal.kernel.api.exceptions.schema.CreateConstraintFailureException
public override void ValidateNodePropertyExistenceConstraint(NodeLabelIndexCursor allNodes, NodeCursor nodeCursor, PropertyCursor propertyCursor, LabelSchemaDescriptor descriptor)
{
while (allNodes.Next())
{
allNodes.Node(nodeCursor);
while (nodeCursor.Next())
{
foreach (int propertyKey in descriptor.PropertyIds)
{
nodeCursor.Properties(propertyCursor);
if (!HasProperty(propertyCursor, propertyKey))
{
throw CreateConstraintFailure(new NodePropertyExistenceException(descriptor, VERIFICATION, nodeCursor.NodeReference()));
}
}
}
}
}