/// <summary>
/// Initializes a new instance of the <see cref="StorageManager"/> class.
/// </summary>
/// <param name="connectionString">Azure storage connection string</param>
/// <param name="tableType">The type of tables to interact with</param>
/// <param name="runId">Uniquely identifies an execution of the OBA service</param>
public StorageManager(string connectionString, TableNames.TableType tableType, string runId)
{
// setup access to Azure Tables
CloudStorageAccount cloudStorageAccount = CloudStorageAccount.Parse(connectionString);
CloudTableClient tableClient = cloudStorageAccount.CreateCloudTableClient();
// instantiate every one of the stores
switch (tableType)
{
// Download table stores data received from OBA servers.
case TableNames.TableType.Download:
// Diff table stores diffs between a download table and a publish table.
case TableNames.TableType.Diff:
// Publish table stores data that has been published to Embedded Social.
case TableNames.TableType.Publish:
this.RegionsListStore = new RegionsListStore(tableClient, tableType, runId);
this.RegionStore = new RegionStore(tableClient, tableType, runId);
this.AgencyStore = new AgencyStore(tableClient, tableType, runId);
this.RouteStore = new RouteStore(tableClient, tableType, runId);
this.StopStore = new StopStore(tableClient, tableType, runId);
break;
// DownloadMetada table stores bookkeeping records of download activity.
case TableNames.TableType.DownloadMetadata:
this.DownloadMetadataStore = new DownloadMetadataStore(tableClient, tableType, runId);
break;
// DiffMetadata table stores bookkeeping records of diff activity.
case TableNames.TableType.DiffMetadata:
this.DiffMetadataStore = new DiffMetadataStore(tableClient, tableType, runId);
break;
// PublishMetadata table stores bookkeeping records of publish activity.
case TableNames.TableType.PublishMetadata:
this.PublishMetadataStore = new PublishMetadataStore(tableClient, tableType, runId);
break;
// Metadata table stores bookkeeping records of overall activity in this service.
case TableNames.TableType.Metadata:
// not implemented yet
throw new ArgumentOutOfRangeException("tableType");
default:
throw new ArgumentOutOfRangeException("tableType");
}
}
/// <summary>
/// Constructs the name of a table
/// </summary>
/// <param name="tableType">type of table</param>
/// <param name="runId">uniquely identifies a run</param>
/// <returns>the name of a table</returns>
public static string TableName(TableNames.TableType tableType, string runId)
{
switch (tableType)
{
// Download table stores data received from OBA servers.
case TableNames.TableType.Download:
return(tableType.ToString() + runId);
// DownloadMetada table stores bookkeeping records of download activity.
case TableNames.TableType.DownloadMetadata:
return(tableType.ToString());
// Diff table stores diffs between a download table and a publish table.
case TableNames.TableType.Diff:
return(tableType.ToString() + runId);
// DiffMetadata table stores bookkeeping records of diff activity.
case TableNames.TableType.DiffMetadata:
return(tableType.ToString());
// Publish table stores data that has been published to Embedded Social.
case TableNames.TableType.Publish:
return(tableType.ToString());
// PublishMetadata table stores bookkeeping records of publish activity.
case TableNames.TableType.PublishMetadata:
return(tableType.ToString());
// Metadata table stores bookkeeping records of overall activity in this service.
case TableNames.TableType.Metadata:
return(tableType.ToString());
default:
throw new ArgumentOutOfRangeException("tableType");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DownloadMetadataStore"/> class.
/// </summary>
/// <param name="cloudTableClient">client to Azure Table</param>
/// <param name="tableType">type of table</param>
/// <param name="runId">uniquely identifies an execution of the OBA service</param>
public DownloadMetadataStore(CloudTableClient cloudTableClient, TableNames.TableType tableType, string runId)
: base(cloudTableClient, TableNames.TableName(tableType, runId))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="RegionStore"/> class.
/// </summary>
/// <param name="cloudTableClient">client to Azure Table</param>
/// <param name="tableType">type of table</param>
/// <param name="runId">uniquely identifies an execution of the OBA service</param>
public RegionStore(CloudTableClient cloudTableClient, TableNames.TableType tableType, string runId)
: base(cloudTableClient, TableNames.TableName(tableType, runId))
{
}