/// <summary>
/// Returns whether an Entity exists in the database, by comparing its
/// Primary/Composite Key(s).
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public bool Contains(TEntity obj)
{
// Create a WHERE statement
WhereStatement where = new WhereStatement(Context);
// build the where statement, using primary keys
foreach (string keyName in EntityTable.PrimaryKeys)
{
PropertyInfo info = EntityTable.Columns[keyName].Property;
object val = info.GetValue(obj);
// Add value to where statement
where.And(keyName, Comparison.Equals, val);
}
return(Contains(EntityTable.TableName, where));
}
