/// <summary>
/// returns an array of the immutable USSPolicy objects that correspond to the supplied ussPolicyIds
/// </summary>
/// <param name="ussPolicyIds"></param>
/// <returns></returns>
public static USSPolicy[] GetUSSPolicies(int[] ussPolicyIds)
{
USSPolicy[] ussPolicies = new USSPolicy[ussPolicyIds.Length];
for (int i = 0; i < ussPolicyIds.Length; i++)
{
ussPolicies[i] = new USSPolicy();
}
// create sql connection
DbConnection connection = FactoryDB.GetConnection();
// create sql command
// command executes the "RetrieveUSSPolicyByID" stored procedure
DbCommand cmd = FactoryDB.CreateCommand("RetrieveUSSPolicyByID", connection);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(FactoryDB.CreateParameter(cmd,"@ussPolicyId", null, DbType.Int32));
//execute the command
try
{
connection.Open();
for (int i = 0; i < ussPolicyIds.Length; i++)
{
// populate the parameters
cmd.Parameters["@ussPolicyId"].Value = ussPolicyIds[i];
DbDataReader dataReader = null;
dataReader = cmd.ExecuteReader();
while (dataReader.Read())
{
ussPolicies[i].ussPolicyId = ussPolicyIds[i];
if (dataReader[0] != System.DBNull.Value)
ussPolicies[i].experimentInfoId = (int)dataReader.GetInt32(0);
if (dataReader[1] != System.DBNull.Value)
ussPolicies[i].rule = dataReader.GetString(1);
if (dataReader[2] != System.DBNull.Value)
ussPolicies[i].credentialSetId = (int)dataReader.GetInt32(2);
}
dataReader.Close();
}
}
catch (Exception ex)
{
throw new Exception("Exception thrown in get usspolicies", ex);
}
finally
{
connection.Close();
}
return ussPolicies;
}
/// <summary>
/// This method fires when the Policy dropdown changes.
/// If the index is greater than zero, the specified Policy will be looked up
/// and its values will be used to populate the text fields on the form.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void ddlPolicy_SelectedIndexChanged(object sender, System.EventArgs e)
{
if (ddlPolicy.SelectedIndex == 0)
// prepare for a new record
{
ClearFormFields();
SetReadOnly(false);
}
else
//retrieve an existing record
{
USSPolicy policy = new USSPolicy();
policy = policies[ddlPolicy.SelectedIndex - 1];
txtMaxReservableTimeSlots.Text = PolicyParser.getProperty(policy.rule, lblfield2.Text);
txtMinReservableTimeSlots.Text = PolicyParser.getProperty(policy.rule, lblfield3.Text);
ddlGroup.ClearSelection();
ddlGroup.Items.FindByValue(policy.credentialSetId.ToString()).Selected = true;
ddlExperiment.ClearSelection();
ddlExperiment.Items.FindByValue(policy.experimentInfoId.ToString()).Selected = true;
SetReadOnly(true);
}
}