IDataConsumerNeeds IDataConsumer.GetConsumerNeeds()
{
if (_dataConsumer == null)
{
return(null);
}
return(_dataConsumer.GetConsumerNeeds());
}
/// <summary>
/// Adds supplies and suppliers that a consumer depends on
/// </summary>
private void AddConsumerSupplies(IDataConsumer consumer)
{
var needs = consumer.GetConsumerNeeds();
if (needs == null)
{
return;
}
var dataSupplyDependencies = needs.DataSupplyDependencies;
var dataSupplierDependencies = needs.DataSupplierDependencies;
#if DETAILED_TRACE
Trace.WriteLine("Data context builder #" + Id + " adding consumer supplies for " + consumer);
if (dataSupplyDependencies != null && dataSupplyDependencies.Count > 0)
{
Trace.WriteLine(" consumer needs data supplies:");
foreach (var supply in dataSupplyDependencies)
{
Trace.WriteLine(" " + supply);
}
}
if (dataSupplierDependencies != null && dataSupplierDependencies.Count > 0)
{
Trace.WriteLine(" consumer needs suppliers:");
foreach (var supplierDependency in dataSupplierDependencies)
{
Trace.WriteLine(" " + supplierDependency);
}
}
#endif
if (dataSupplyDependencies != null)
{
foreach (var supply in dataSupplyDependencies)
{
AddSupply(supply);
}
}
if (dataSupplierDependencies != null)
{
foreach (var dataSupplier in dataSupplierDependencies)
{
AddSuppliedDependency(new SuppliedDependency(dataSupplier));
}
}
}
private void AddConsumerNeeds(IDataConsumer otherDataConsumer)
{
var thisDataConsumer = _template as IDataConsumer;
if (otherDataConsumer == null || thisDataConsumer == null)
{
return;
}
var needs = otherDataConsumer.GetConsumerNeeds();
if (needs == null)
{
return;
}
if (needs.DataDependencies != null)
{
foreach (var dependency in needs.DataDependencies)
{
thisDataConsumer.HasDependency(dependency.DataType, dependency.ScopeName);
}
}
if (needs.DataSupplyDependencies != null)
{
foreach (var dataSupply in needs.DataSupplyDependencies)
{
thisDataConsumer.HasDependency(dataSupply);
}
}
if (needs.DataSupplierDependencies != null)
{
foreach (var dataSupplier in needs.DataSupplierDependencies)
{
thisDataConsumer.HasDependency(dataSupplier.Item1, dataSupplier.Item2);
}
}
}
/// <summary>
/// Resolves all of the data needs of a data consumer and retruns a list of the data
/// supplies that it depends on
/// </summary>
private List <IDataSupply> ResolveConsumerNeeds(IDataConsumer consumer)
{
if (consumer == null)
{
return(null);
}
var needs = consumer.GetConsumerNeeds();
if (needs == null)
{
return(null);
}
var dataDependencies = needs.DataDependencies;
var dataSupplyDependencies = needs.DataSupplyDependencies;
var dataSupplierDependencies = needs.DataSupplierDependencies;
#if DETAILED_TRACE
Trace.WriteLine("Data context builder #" + Id + " resolving consumer needs for " + consumer);
if (dataSupplyDependencies != null && dataSupplyDependencies.Count > 0)
{
Trace.WriteLine(" consumer needs data supplies:");
foreach (var supply in dataSupplyDependencies)
{
Trace.WriteLine(" " + supply);
}
}
if (dataSupplierDependencies != null && dataSupplierDependencies.Count > 0)
{
Trace.WriteLine(" consumer needs suppliers:");
foreach (var supplierDependency in dataSupplierDependencies)
{
Trace.WriteLine(" " + supplierDependency);
}
}
if (dataDependencies != null && dataDependencies.Count > 0)
{
Trace.WriteLine(" consumer needs data:");
foreach (var dependency in dataDependencies)
{
Trace.WriteLine(" " + dependency);
}
}
#endif
var dependentSupplies = new List <IDataSupply>();
if (dataSupplyDependencies != null)
{
foreach (var supply in dataSupplyDependencies)
{
AddSupply(supply);
dependentSupplies.Add(supply);
}
}
if (dataSupplierDependencies != null)
{
foreach (var dataSupplier in dataSupplierDependencies)
{
var supplies = ResolveDataSupplierSupplies(dataSupplier.Item1, dataSupplier.Item2, true);
if (supplies != null)
{
dependentSupplies.AddRange(supplies);
}
}
}
if (dataDependencies != null)
{
foreach (var dependency in dataDependencies)
{
var supplies = ResolveDataDependencySupplies(dependency);
if (supplies != null)
{
dependentSupplies.AddRange(supplies);
}
}
}
#if DETAILED_TRACE
if (dependentSupplies.Count > 0)
{
Trace.WriteLine(" consumer depends on supplies:");
foreach (var supply in dependentSupplies)
{
Trace.WriteLine(" " + supply);
}
}
#endif
return(dependentSupplies);
}
IDataConsumerNeeds IDataConsumer.GetConsumerNeeds()
{
return(_dataConsumer.GetConsumerNeeds());
}
