private IQueryable<WebMachine> ApplyAstoriaMachineCriteria(IQueryable<WebMachine> query, AstoriaMachineSearchCriteria astoriaSpecificCriteria)
{
if (astoriaSpecificCriteria != null)
{
string majorReleaseVersion = null;
string setupType = null;
string versioning = null;
string setupRunning = null;
setupType = MapBooleanValueToString(astoriaSpecificCriteria.SetupType);
majorReleaseVersion = MapMajorReleaseVersionToString(astoriaSpecificCriteria.MajorReleaseVersion);
setupRunning = MapBooleanValueToString(astoriaSpecificCriteria.SetupRunning);
versioning = MapBooleanValueToString(astoriaSpecificCriteria.Versioning);
if (setupRunning != null)
{
query = query.Where(m => m.SetupRunning == setupRunning);
}
if (versioning != null)
{
query = query.Where(m => m.Versioning == astoriaSpecificCriteria.Versioning.Value);
}
if (majorReleaseVersion != null)
{
query = query.Where(m => m.AstoriaVersion == majorReleaseVersion);
}
if (setupType != null)
{
query = query.Where(m => m.SetupType == setupType);
}
}
return query;
}
/// <summary>
/// Begins looking for a WebServer
/// </summary>
/// <param name="machineSearchCriteria">Machine specific criteria</param>
/// <param name="astoriaMachineSearchCriteria">Astoria specific criteria</param>
/// <param name="callback">WebServer return results</param>
public void BeginLookup(
MachineSearchCriteria machineSearchCriteria,
AstoriaMachineSearchCriteria astoriaMachineSearchCriteria,
EventHandler<WebServerLocatorCompleteEventArgs> callback)
{
if (callback == null)
{
throw new TaupoArgumentNullException("callback");
}
this.IsComplete = false;
this.callBack = callback;
IQueryable<WebMachine> machinesQuery = this.strategy.WebServersQueryRoot;
machinesQuery = this.ApplyMachineSearchCriteria(machinesQuery, machineSearchCriteria);
machinesQuery = this.ApplyAstoriaMachineCriteria(machinesQuery, astoriaMachineSearchCriteria);
machinesQuery = machinesQuery.OrderBy(m => m.LastUsed);
this.strategy.BeginExecute(this.OnQueryComplete, machinesQuery);
}