private static string CreatePartitionKeyFilter(TraceRecord oneRecord, TraceRecordFilter userFilterForRecord)
{
var partitionKeyFilter = string.Empty;
var mapping = Mapping.TraceRecordAzureDataMap.Single(item => item.Type == oneRecord.GetType());
// Calculate partition filter (if data type is static)
if (mapping.PartitionDataType == PartitionDataType.StaticData)
{
var queryFilter = TableQuery.GenerateFilterCondition(WellKnownFields.PartitionKey, QueryComparisons.Equal, mapping.PartitionKeyDetail);
partitionKeyFilter = string.IsNullOrEmpty(partitionKeyFilter) ? queryFilter : TableQuery.CombineFilters(partitionKeyFilter, TableOperators.And, queryFilter);
}
if (userFilterForRecord == null || !userFilterForRecord.Filters.Any())
{
return(partitionKeyFilter);
}
// If Partition Filter data is dynamic, try to create partition filter.
if (mapping.PartitionDataType == PartitionDataType.PropertyName)
{
var userFilterForPartitionProperty = userFilterForRecord.Filters.SingleOrDefault(item => item.Name == mapping.PartitionKeyDetail);
if (userFilterForPartitionProperty != null)
{
var queryFilter = CreateAzureTableQueryPropertyFilter(WellKnownFields.PartitionKey, userFilterForPartitionProperty.Value, QueryComparisons.Equal);
partitionKeyFilter = string.IsNullOrEmpty(partitionKeyFilter) ? queryFilter : TableQuery.CombineFilters(partitionKeyFilter, TableOperators.And, queryFilter);
}
}
return(partitionKeyFilter);
}
// Create filter at Record level.
public static string CreateQueryFilterForSingleRecord(TraceRecord oneRecord, TraceRecordFilter userFilterForRecord)
{
var mapping = Mapping.TraceRecordAzureDataMap.Single(item => item.Type == oneRecord.GetType());
var azureFilterForCurrentRecord = string.Empty;
// Calculate partition filter (if data type is static)
if (mapping.PartitionDataType == PartitionDataType.StaticData)
{
var queryFilter = TableQuery.GenerateFilterCondition(WellKnownFields.PartitionKey, QueryComparisons.Equal, mapping.PartitionKeyDetail);
azureFilterForCurrentRecord = string.IsNullOrEmpty(azureFilterForCurrentRecord) ? queryFilter : TableQuery.CombineFilters(azureFilterForCurrentRecord, TableOperators.And, queryFilter);
}
if (userFilterForRecord == null || !userFilterForRecord.Filters.Any())
{
return(azureFilterForCurrentRecord);
}
// If Partition Filter data is dynamic, try to create partition filter.
var userSpecifiedPropertyFilterForCurrentRecord = new List <PropertyFilter>(userFilterForRecord.Filters);
if (mapping.PartitionDataType == PartitionDataType.PropertyName)
{
var userFilterForPartitionProperty = userSpecifiedPropertyFilterForCurrentRecord.SingleOrDefault(item => item.Name == mapping.PartitionKeyDetail);
if (userFilterForPartitionProperty != null)
{
var queryFilter = CreateAzureTableQueryPropertyFilter(WellKnownFields.PartitionKey, userFilterForPartitionProperty.Value, QueryComparisons.Equal);
azureFilterForCurrentRecord = string.IsNullOrEmpty(azureFilterForCurrentRecord) ? queryFilter : TableQuery.CombineFilters(azureFilterForCurrentRecord, TableOperators.And, queryFilter);
userSpecifiedPropertyFilterForCurrentRecord.Remove(userFilterForPartitionProperty);
}
}
// Now Create partition for rest of the property user may have specified.
var azurePropertyFilterForCurrentRecord = string.Empty;
foreach (var onePropertyFilter in userSpecifiedPropertyFilterForCurrentRecord)
{
var queryFilter = CreateAzureTableQueryPropertyFilter(onePropertyFilter);
azurePropertyFilterForCurrentRecord = string.IsNullOrEmpty(azurePropertyFilterForCurrentRecord)
? queryFilter
: TableQuery.CombineFilters(azurePropertyFilterForCurrentRecord, TableOperators.And, queryFilter);
}
// Add property filter.
if (azurePropertyFilterForCurrentRecord != string.Empty)
{
azureFilterForCurrentRecord = azureFilterForCurrentRecord == string.Empty ? azurePropertyFilterForCurrentRecord : TableQuery.CombineFilters(azureFilterForCurrentRecord, TableOperators.And, azurePropertyFilterForCurrentRecord);
}
return(azureFilterForCurrentRecord);
}
private ReadFilter(TraceRecordFilter filter)
{
this.TraceRecordFilters = new List <TraceRecordFilter> {
filter
};
}
