/// <summary>
/// Disposes the parameters and prepared statements, and also the database connection if applicable
/// </summary>
internal override void Close()
{
while (!(PreparedStatementListHead is null))
{
var next = PreparedStatementListHead.PreparedStatementListNext;
PreparedStatementListHead.PreparedStatementListNext = null;
// DBOraclePreparedCommand.Dispose() does not throw exceptions
PreparedStatementListHead.Dispose();
PreparedStatementListHead = next;
}
while (!(ParameterListHead is null))
{
var next = ParameterListHead.ParameterListNext;
ParameterListHead.ParameterListNext = null;
// DBOracleParameter.Dispose() does not throw exceptions
ParameterListHead.Dispose();
ParameterListHead = next;
}
// Dispose the database connection if applicable
base.Close();
}
/// <summary>
/// Adds a prepared statement to the disposal linked list
/// </summary>
/// <param name="preparedStatement">New prepared statement</param>
/// <returns>A reference to the new prepared statement</returns>
private DBOraclePreparedStatement AddPreparedStatement(DBOraclePreparedStatement preparedStatement)
{
try
{
// Set new prepared statement as the head of the linked list
preparedStatement.PreparedStatementListNext = PreparedStatementListHead;
PreparedStatementListHead = preparedStatement;
return(preparedStatement);
}
catch (Exception)
{
preparedStatement?.Dispose();
throw;
}
}