private async Task<Resource[]> QueryReference(IQueryParameters parameters, string correlationIdentifier)
{
if (null == parameters)
{
throw new ArgumentNullException(FileProvider.ArgumentNameParameters);
}
if (string.IsNullOrWhiteSpace(correlationIdentifier))
{
throw new ArgumentNullException(FileProvider.ArgumentNameCorrelationIdentifier);
}
if (null == parameters.RequestedAttributePaths || !parameters.RequestedAttributePaths.Any())
{
throw new NotSupportedException(ProvisioningAgentResources.ExceptionUnsupportedQuery);
}
string selectedAttribute = parameters.RequestedAttributePaths.SingleOrDefault();
if (string.IsNullOrWhiteSpace(selectedAttribute))
{
throw new NotSupportedException(ProvisioningAgentResources.ExceptionUnsupportedQuery);
}
ProvisioningAgentMonitor.Instance.Inform(selectedAttribute, true, correlationIdentifier);
if
(
!string.Equals(
selectedAttribute,
Microsoft.SystemForCrossDomainIdentityManagement.AttributeNames.Identifier,
StringComparison.OrdinalIgnoreCase)
)
{
throw new NotSupportedException(ProvisioningAgentResources.ExceptionUnsupportedQuery);
}
if (null == parameters.AlternateFilters)
{
throw new ArgumentException(ProvisioningAgentResources.ExceptionInvalidParameters);
}
if (string.IsNullOrWhiteSpace(parameters.SchemaIdentifier))
{
throw new ArgumentException(ProvisioningAgentResources.ExceptionInvalidParameters);
}
string informationAlternateFilterCount = parameters.AlternateFilters.Count.ToString(CultureInfo.InvariantCulture);
ProvisioningAgentMonitor.Instance.Inform(informationAlternateFilterCount, true, correlationIdentifier);
if (parameters.AlternateFilters.Count != 1)
{
string exceptionMessage =
string.Format(
CultureInfo.InvariantCulture,
ProvisioningAgentResources.ExceptionFilterCountTemplate,
1,
parameters.AlternateFilters.Count);
throw new NotSupportedException(exceptionMessage);
}
IReadOnlyCollection<string> requestedColumns = this.IdentifyRequestedColumns(parameters);
IFilter filterPrimary = parameters.AlternateFilters.Single();
if (null == filterPrimary.AdditionalFilter)
{
throw new ArgumentException(ProvisioningAgentResources.ExceptionInvalidParameters);
}
IFilter filterAdditional = filterPrimary.AdditionalFilter;
if (filterAdditional.AdditionalFilter != null)
{
throw new NotSupportedException(ProvisioningAgentResources.ExceptionUnsupportedQuery);
}
IReadOnlyCollection<IFilter> filters =
new IFilter[]
{
filterPrimary,
filterAdditional
};
IFilter filterIdentifier =
filters
.SingleOrDefault(
(IFilter item) =>
string.Equals(
AttributeNames.Identifier,
item.AttributePath,
StringComparison.OrdinalIgnoreCase));
if (null == filterIdentifier)
{
throw new NotSupportedException(ProvisioningAgentResources.ExceptionUnsupportedQuery);
}
IRow row;
IFilter filterReference =
filters
.SingleOrDefault(
(IFilter item) =>
string.Equals(
AttributeNames.Members,
item.AttributePath,
StringComparison.OrdinalIgnoreCase));
if (filterReference != null)
{
Dictionary<string, string> columns =
new Dictionary<string, string>()
{
{
AttributeNames.Schemas,
parameters.SchemaIdentifier
},
{
AttributeNames.Identifier,
filterIdentifier.ComparisonValue
},
{
filterReference.AttributePath,
filterReference.ComparisonValue
}
};
IReadOnlyCollection<IRow> rows = await this.file.Query(columns);
if (null == rows || !rows.Any())
{
return new Resource[0];
}
row = await this.file.ReadRow(filterIdentifier.ComparisonValue);
}
else
{
filterReference =
filters
.SingleOrDefault(
(IFilter item) =>
string.Equals(
AttributeNames.Manager,
item.AttributePath,
StringComparison.OrdinalIgnoreCase));
if (null == filterReference)
{
throw new NotSupportedException(ProvisioningAgentResources.ExceptionUnsupportedQuery);
}
row = await this.file.ReadRow(filterIdentifier.ComparisonValue);
if
(
null == row.Columns
|| !row
.Columns
.Any(
(KeyValuePair<string, string> columnItem) =>
string.Equals(columnItem.Key, filterReference.AttributePath, StringComparison.Ordinal)
&& string.Equals(columnItem.Value, filterReference.ComparisonValue, StringComparison.Ordinal))
)
{
return new Resource[0];
}
}
string rowSchema = null;
if
(
!row.Columns.TryGetValue(AttributeNames.Schemas, out rowSchema)
|| !string.Equals(rowSchema, parameters.SchemaIdentifier, StringComparison.Ordinal)
)
{
return new Resource[0];
}
IRow reducedRow = FileProvider.FilterColumns(row, requestedColumns);
ResourceFactory resourceFactory;
switch (rowSchema)
{
case SchemaIdentifiers.Core2EnterpriseUser:
resourceFactory = new UserFactory(reducedRow);
break;
case SchemaIdentifiers.WindowsAzureActiveDirectoryGroup:
resourceFactory = new GroupFactory(reducedRow);
break;
default:
throw new NotSupportedException(parameters.SchemaIdentifier);
}
Resource resource = resourceFactory.CreateResource();
Resource[] results =
new Resource[]
{
resource
};
return results;
}
public override async Task<Resource> Retrieve(IResourceRetrievalParameters parameters, string correlationIdentifier)
{
if (null == parameters)
{
throw new ArgumentNullException(FileProvider.ArgumentNameParameters);
}
if (string.IsNullOrWhiteSpace(correlationIdentifier))
{
throw new ArgumentNullException(FileProvider.ArgumentNameCorrelationIdentifier);
}
if (null == parameters.ResourceIdentifier)
{
throw new ArgumentException(ProvisioningAgentResources.ExceptionInvalidParameters);
}
if (string.IsNullOrWhiteSpace(parameters.ResourceIdentifier.Identifier))
{
throw new ArgumentException(ProvisioningAgentResources.ExceptionInvalidResourceIdentifier);
}
if (string.IsNullOrWhiteSpace(parameters.SchemaIdentifier))
{
throw new ArgumentException(ProvisioningAgentResources.ExceptionInvalidParameters);
}
string informationStarting =
string.Format(
CultureInfo.InvariantCulture,
AzureTestProvisioningResources.InformationRetrieving,
parameters.SchemaIdentifier,
parameters.ResourceIdentifier.Identifier);
ProvisioningAgentMonitor.Instance.Inform(informationStarting, true, correlationIdentifier);
IReadOnlyCollection<string> columnNames = this.IdentifyRequestedColumns(parameters);
IRow row = await this.file.ReadRow(parameters.ResourceIdentifier.Identifier);
if (null == row || null == row.Columns)
{
return null;
}
string rowSchema = null;
if
(
!row.Columns.TryGetValue(AttributeNames.Schemas, out rowSchema)
|| !string.Equals(rowSchema, parameters.SchemaIdentifier, StringComparison.Ordinal)
)
{
return null;
}
IRow reducedRow = FileProvider.FilterColumns(row, columnNames);
ResourceFactory resourceFactory;
switch (rowSchema)
{
case SchemaIdentifiers.Core2EnterpriseUser:
resourceFactory = new UserFactory(reducedRow);
break;
case SchemaIdentifiers.WindowsAzureActiveDirectoryGroup:
resourceFactory = new GroupFactory(reducedRow);
break;
default:
throw new NotSupportedException(parameters.SchemaIdentifier);
}
Resource result = resourceFactory.CreateResource();
return result;
}
public override async Task<Resource[]> Query(IQueryParameters parameters, string correlationIdentifier)
{
if (null == parameters)
{
throw new ArgumentNullException(FileProvider.ArgumentNameParameters);
}
if (string.IsNullOrWhiteSpace(correlationIdentifier))
{
throw new ArgumentNullException(FileProvider.ArgumentNameCorrelationIdentifier);
}
if (null == parameters.AlternateFilters)
{
throw new ArgumentException(ProvisioningAgentResources.ExceptionInvalidParameters);
}
if (string.IsNullOrWhiteSpace(parameters.SchemaIdentifier))
{
throw new ArgumentException(ProvisioningAgentResources.ExceptionInvalidParameters);
}
string informationAlternateFilterCount = parameters.AlternateFilters.Count.ToString(CultureInfo.InvariantCulture);
ProvisioningAgentMonitor.Instance.Inform(informationAlternateFilterCount, true, correlationIdentifier);
if (parameters.AlternateFilters.Count != 1)
{
string exceptionMessage =
string.Format(
CultureInfo.InvariantCulture,
ProvisioningAgentResources.ExceptionFilterCountTemplate,
1,
parameters.AlternateFilters.Count);
throw new NotSupportedException(exceptionMessage);
}
Resource[] results;
IFilter queryFilter = parameters.AlternateFilters.Single();
if (queryFilter.AdditionalFilter != null)
{
results = await this.QueryReference(parameters, correlationIdentifier);
return results;
}
IReadOnlyCollection<string> requestedColumns = this.IdentifyRequestedColumns(parameters);
if (string.IsNullOrWhiteSpace(queryFilter.AttributePath))
{
throw new ArgumentException(ProvisioningAgentResources.ExceptionInvalidParameters);
}
if (string.IsNullOrWhiteSpace(queryFilter.ComparisonValue))
{
throw new ArgumentException(ProvisioningAgentResources.ExceptionInvalidParameters);
}
Dictionary<string, string> columns =
new Dictionary<string, string>()
{
{
AttributeNames.Schemas,
parameters.SchemaIdentifier
},
{
queryFilter.AttributePath,
queryFilter.ComparisonValue
}
};
IReadOnlyCollection<IRow> rows = await this.file.Query(columns);
if (null == rows)
{
return new Resource[0];
}
IList<Resource> resources = new List<Resource>(rows.Count);
foreach (IRow row in rows)
{
string rowSchema = null;
if
(
!row.Columns.TryGetValue(AttributeNames.Schemas, out rowSchema)
|| !string.Equals(rowSchema, parameters.SchemaIdentifier, StringComparison.Ordinal)
)
{
continue;
}
IRow reducedRow = FileProvider.FilterColumns(row, requestedColumns);
ResourceFactory resourceFactory;
switch (rowSchema)
{
case SchemaIdentifiers.Core2EnterpriseUser:
resourceFactory = new UserFactory(reducedRow);
break;
case SchemaIdentifiers.WindowsAzureActiveDirectoryGroup:
resourceFactory = new GroupFactory(reducedRow);
break;
default:
throw new NotSupportedException(parameters.SchemaIdentifier);
}
Resource resource = resourceFactory.CreateResource();
resources.Add(resource);
}
results = resources.ToArray();
return results;
}