/// <summary>
/// Adds a relationship to the database server based on the specified template.
/// </summary>
/// <param name="template">The relationship template.</param>
public void AddRelationship(DbRelationshipTemplate template)
{
// Validate the arguments.
if (null == template) throw new ArgumentNullException("template");
// Find the relationship tables.
ITable leftTable;
ITable rightTable;
if (!this.tables.TryGetTable(template.LeftTable.Id, out leftTable)) throw new DbException("Cannot add a relationship because the left table does not exist.");
if (!this.tables.TryGetTable(template.RightTable.Id, out rightTable)) throw new DbException("Cannot add a relationship because the right table does not exist.");
// Add the relationship.
this.relationships.Add(leftTable, rightTable, template.LeftField, template.RightField, template.ReadOnly);
}
/// <summary>
/// Removes a relationship from the database server based on the specified template.
/// </summary>
/// <param name="template">The relationship template.</param>
public void RemoveRelationship(DbRelationshipTemplate template)
{
// Validate the arguments.
if (null == template) throw new ArgumentNullException("template");
// Remove the relationship.
this.relationships.Remove(template.LeftTable.Id, template.RightTable.Id, template.LeftField, template.RightField);
}
/// <summary>
/// Creates a new relationship template event arguments instance.
/// </summary>
/// <param name="template">The table template.</param>
public DbRelationshipTemplateEventArgs(DbRelationshipTemplate template)
{
this.Template = template;
}