public QldbService()
{
AmazonQLDBSessionConfig amazonQldbSessionConfig = new AmazonQLDBSessionConfig();
this.driver = QldbDriver.Builder()
.WithQLDBSessionConfig(amazonQldbSessionConfig)
.WithLedger(LedgerName)
.Build();
}
public List <List <KeyValuePair <string, string> > > ReadData(string statement)
{
try
{
IQldbDriver driver = this.GetDriver();
new AmazonQLDBSessionConfig().RegionEndpoint = Global.Region;
using (IQldbSession session = driver.GetSession())
return(this.BuildData(session.Execute(statement, (List <IIonValue>)null, (Action <int>)null)));
}
catch (Exception ex)
{
throw;
}
}
public List <List <KeyValuePair <string, string> > > WriteData(
string tableName,
string statement)
{
string documentID = string.Empty;
try
{
IQldbDriver driver = this.GetDriver();
new AmazonQLDBSessionConfig().RegionEndpoint = Global.Region;
List <List <KeyValuePair <string, string> > > keyValuePairListList;
using (IQldbSession session = driver.GetSession())
{
keyValuePairListList = this.BuildData(session.Execute(statement, (List <IIonValue>)null, (Action <int>)null));
keyValuePairListList[0].ForEach((Action <KeyValuePair <string, string> >)(x =>
{
if (string.IsNullOrEmpty(x.Key) || !(x.Key.ToLower() == "documentid"))
{
return;
}
documentID = x.Value;
}));
}
if (!string.IsNullOrEmpty(documentID))
{
string[] strArray = new string[9];
strArray[0] = "SELECT * from history(";
strArray[1] = tableName;
strArray[2] = ", `";
DateTime dateTime1 = DateTime.UtcNow;
dateTime1 = dateTime1.AddMinutes(-1.0);
strArray[3] = dateTime1.ToString("o");
strArray[4] = "`, `";
DateTime dateTime2 = DateTime.UtcNow;
dateTime2 = dateTime2.AddSeconds(0.7);
strArray[5] = dateTime2.ToString("o");
strArray[6] = "`) AS h WHERE h.metadata.id = '";
strArray[7] = documentID;
strArray[8] = "'";
string statement1 = string.Concat(strArray);
keyValuePairListList.AddRange((IEnumerable <List <KeyValuePair <string, string> > >) this.ReadData(statement1));
}
return(keyValuePairListList);
}
catch (Exception ex)
{
throw;
}
}
public AddSecondaryOwnerFunction()
{
this.qldbDriver = new QldbService().GetDriver();
this.tableMetadataService = new MetadataService();
this.valueFactory = new ValueFactory();
}
public QueryVehicleRegistrationHistoryFunction()
{
this.qldbDriver = new QldbService().GetDriver();
this.tableMetadataService = new MetadataService();
this.valueFactory = new ValueFactory();
}
public AddVehicleFunction()
{
this.qldbDriver = new QldbService().GetDriver();
this.tableMetadataService = new MetadataService();
this.valueFactory = new ValueFactory();
}
public IAmazonQldbProviderTableConfigurator WithQldbDriver(IQldbDriver driver)
{
_driverFactory = new Lazy <IQldbDriver>(() => driver);
return(_tableConfigurator);
}
/// <summary>
/// Creates a new AmazonQLDB data provider using the given driver.
/// </summary>
/// <param name="driver">The Amazon QLDB driver instance.</param>
public AmazonQldbDataProvider(IQldbDriver driver)
{
QldbDriver = new Lazy <IQldbDriver>(() => driver);
}
