/// <summary>
/// Inflate the session state using options
/// </summary>
public virtual void Inflate(TDSSessionRecoveryData initial, TDSSessionRecoveryData current)
{
// Check if we have an initial state
if (initial != null)
{
// Save initial values
_InflateRecoveryData(initial);
}
// Check if we have a current value
if (current != null)
{
// Update values with current
_InflateRecoveryData(current);
}
}
/// <summary>
/// Inflate the token
/// </summary>
/// <param name="source">Stream to inflate the token from</param>
/// <returns>TRUE if inflation is complete</returns>
public override bool Inflate(Stream source)
{
// Reset inflation size
InflationSize = 0;
// We skip option identifier because it was read by construction factory
// Read the length of the data for the option
uint optionDataLength = TDSUtilities.ReadUInt(source);
// Update inflation offset
InflationSize += sizeof(uint);
// Check if we still have space to read
if (InflationSize >= optionDataLength)
{
// Inflation is complete
return(true);
}
// Inflate initial data set
Initial = new TDSSessionRecoveryData(source);
// Update inflation size with initial data set
InflationSize += Initial.InflationSize;
// Check if we still have space to read
if (InflationSize >= optionDataLength)
{
// Inflation is complete
return(true);
}
// Inflate delta data set
Current = new TDSSessionRecoveryData(source);
// Update inflation size with initial data set
InflationSize += Current.InflationSize;
return(true);
}
/// <summary>
/// Inflate recovery data
/// </summary>
private void _InflateRecoveryData(TDSSessionRecoveryData data)
{
// Check if database is available
if (data.Database != null)
{
// Apply database
Database = data.Database;
}
// Check if language is available
if (data.Language != null)
{
// Apply language
Language = LanguageString.ToEnum(data.Language);
}
// Check if collation is available
if (data.Collation != null)
{
Collation = data.Collation;
}
// Traverse all session states and inflate each separately
foreach (TDSSessionStateOption option in data.Options)
{
// Check on the options
if (option is TDSSessionStateUserOptionsOption)
{
// Cast to specific option
TDSSessionStateUserOptionsOption specificOption = option as TDSSessionStateUserOptionsOption;
// Transfer properties from the session state onto the session
AnsiWarnings = specificOption.AnsiWarnings;
AnsiNulls = specificOption.AnsiNulls;
CursorCloseOnCommit = specificOption.CursorCloseOnCommit;
QuotedIdentifier = specificOption.QuotedIdentifier;
ConcatNullYieldsNull = specificOption.ConcatNullYieldsNull;
AnsiNullDefaultOn = specificOption.AnsiNullDefaultOn;
AnsiPadding = specificOption.AnsiPadding;
ArithAbort = specificOption.ArithAbort;
TransactionAbortOnError = specificOption.TransactionAbortOnError;
NoCount = specificOption.NoCount;
ArithIgnore = specificOption.ArithIgnore;
ImplicitTransactions = specificOption.ImplicitTransactions;
NumericRoundAbort = specificOption.NumericRoundAbort;
}
else if (option is TDSSessionStateDateFirstDateFormatOption)
{
// Cast to specific option
TDSSessionStateDateFirstDateFormatOption specificOption = option as TDSSessionStateDateFirstDateFormatOption;
// Transfer properties from the session state onto the session
DateFirst = specificOption.DateFirst;
DateFormat = specificOption.DateFormat;
}
else if (option is TDSSessionStateDeadlockPriorityOption)
{
// Cast to specific option
TDSSessionStateDeadlockPriorityOption specificOption = option as TDSSessionStateDeadlockPriorityOption;
// Transfer properties from the session state onto the session
DeadlockPriority = specificOption.Value;
}
else if (option is TDSSessionStateLockTimeoutOption)
{
// Cast to specific option
TDSSessionStateLockTimeoutOption specificOption = option as TDSSessionStateLockTimeoutOption;
// Transfer properties from the session state onto the session
LockTimeout = specificOption.Value;
}
else if (option is TDSSessionStateISOFipsOption)
{
// Cast to specific option
TDSSessionStateISOFipsOption specificOption = option as TDSSessionStateISOFipsOption;
// Transfer properties from the session state onto the session
TransactionIsolationLevel = specificOption.TransactionIsolationLevel;
}
else if (option is TDSSessionStateTextSizeOption)
{
// Cast to specific option
TDSSessionStateTextSizeOption specificOption = option as TDSSessionStateTextSizeOption;
// Transfer properties from the session state onto the session
TextSize = specificOption.Value;
}
else if (option is TDSSessionStateContextInfoOption)
{
// Cast to specific option
TDSSessionStateContextInfoOption specificOption = option as TDSSessionStateContextInfoOption;
// Transfer properties from the session state onto the session
ContextInfo = specificOption.Value;
}
}
}
