///-------------------------------------------------------------------------------------------------
/// <summary>
/// An IHyperstore extension method that creates an entity.
/// </summary>
/// <exception cref="SessionRequiredException">
/// Thrown when a Session Required error condition occurs.
/// </exception>
/// <param name="domain">
/// the domain model.
/// </param>
/// <param name="schema">
/// The schema.
/// </param>
/// <param name="id">
/// (Optional) the identifier.
/// </param>
/// <returns>
/// The new entity.
/// </returns>
///-------------------------------------------------------------------------------------------------
public static IModelEntity CreateEntity(this IDomainModel domain, ISchemaEntity schema, Identity id = null)
{
Contract.Requires(domain != null, "domain");
Contract.Requires(schema != null, "schema");
if (Session.Current == null)
{
throw new SessionRequiredException();
}
var cmd = new AddEntityCommand(domain, schema, id);
Session.Current.Execute(cmd);
return(cmd.Entity);
}
///-------------------------------------------------------------------------------------------------
/// <summary>
/// An IDomainModel extension method that creates a relationship.
/// </summary>
/// <exception cref="SessionRequiredException">
/// Thrown when a Session Required error condition occurs.
/// </exception>
/// <param name="domain">
/// the domain model.
/// </param>
/// <param name="schema">
/// The schema.
/// </param>
/// <param name="startId">
/// The start identifier.
/// </param>
/// <param name="endId">
/// The end identifier.
/// </param>
/// <param name="id">
/// (Optional) the identifier.
/// </param>
/// <returns>
/// The new relationship.
/// </returns>
///-------------------------------------------------------------------------------------------------
public static IModelRelationship CreateRelationship(this IDomainModel domain, ISchemaRelationship schema, Identity startId, Identity endId, Identity id = null)
{
Contract.Requires(domain != null, "domain");
Contract.Requires(schema != null, "schema");
Contract.Requires(startId != null, "startId");
Contract.Requires(endId != null, "endId");
if (Session.Current == null)
{
throw new SessionRequiredException();
}
var start = domain.GetElement(startId);
if (start == null)
{
throw new InvalidElementException(startId);
}
var cmd = new AddRelationshipCommand(schema, start, endId, id);
Session.Current.Execute(cmd);
return(cmd.Relationship);
}