protected override async Task ExecuteStatementAsync(StatementContext context)
{
var securityManager = context.GetService <IRoleManager>();
if (securityManager == null)
{
throw new SystemException("There is no security manager defined in the system");
}
if (!await securityManager.RoleExistsAsync(RoleName))
{
throw new SqlStatementException($"The role '{RoleName}' does not exist.");
}
if (!await securityManager.DropRoleAsync(RoleName))
{
throw new SqlStatementException($"It was not possible to delete the role '{RoleName}' because of a system error");
}
context.RaiseEvent(new RoleDroppedEvent(this, RoleName));
}