/// <summary>
/// Deletes one or several records in file, synchronously only.
/// </summary>
/// <param name="credentialOptions">Object with data necessary to access the Linkar Server: Username, Password, EntryPoint, Language, FreeText.</param>
/// <param name="filename">The file name where the records are going to be deleted. DICT in case of deleting a record that belongs to a dictionary.</param>
/// <param name="records">Buffer of records to be deleted. Use StringFunctions.ComposeDeleteBuffer (Linkar.Strings library) function to compose this string.</param>
/// <param name="deleteOptions">Object with options to manage how records are deleted, including optimisticLockControl, recoverRecordIdType.</param>
/// <param name="inputFormat">Indicates in what format you wish to send the resultant writing data: MV, XML or JSON.</param>
/// <param name="outputFormat">Indicates in what format you want to receive the data resulting from the operation: MV, XML or JSON.</param>
/// <param name="customVars">Free text sent to the database allows management of additional behaviours in SUB.LK.MAIN.CONTROL.CUSTOM, which is called when this parameter is set.</param>
/// <param name="receiveTimeout">Maximum time in seconds that the client will wait for a response from the server. Default = 0 to wait indefinitely.</param>
/// <returns>The results of the operation.</returns>
/// <remarks>
/// Inside the records argument, the recordIds always must be specified. But the originalRecords not always.
/// When <see cref="DeleteOptions">deleteOptions</see> argument is specified and the <see cref="DeleteOptions.OptimisticLockControl"/> property is set to true,
/// a copy of the record must be provided before the deletion to use the Optimistic Lock technique.
/// This copy can be obtained from a previous <see cref="Read"/> operation. The database, before executing the deletion,
/// reads the record and compares it with the copy in originalRecords, if they are equal the record is deleted.
/// But if they are not equal, it means that the record has been modified by other user and the record will not be deleted.
/// The record will have to be read, and deleted again.
/// </remarks>
public static string Delete(CredentialOptions credentialOptions, string filename, string records, DeleteOptions deleteOptions = null,
DATAFORMAT_TYPE inputFormat = DATAFORMAT_TYPE.MV, DATAFORMAT_TYPE outputFormat = DATAFORMAT_TYPE.MV,
string customVars = "", int receiveTimeout = 0)
{
string deleteArgs = OperationArguments.GetDeleteArgs(filename, records, deleteOptions, customVars);
byte opCode = (byte)OPERATION_CODE.DELETE;
byte byteInputFormat = (byte)inputFormat;
byte byteOutputFormat = (byte)outputFormat;
string result = Linkar.ExecuteDirectOperation(credentialOptions, opCode, deleteArgs, byteInputFormat, byteOutputFormat, receiveTimeout);
return(result);
}
/// <summary>
/// Deletes one or several records in file, synchronously only
/// </summary>
/// <param name="filename">The file name where the records are going to be deleted. DICT in case of deleting a record that belongs to a dictionary.</param>
/// <param name="records">Buffer of records to be deleted. Use StringFunctions.ComposeDeleteBuffer (Linkar.Strings library) function to compose this string.</param>
/// <param name="deleteOptions">Object with options to manage how records are deleted, including optimisticLockControl, recoverRecordIdType.</param>
/// <param name="inputFormat">Indicates in what format you wish to send the resultant writing data: MV, XML or JSON.</param>
/// <param name="outputFormat">Indicates in what format you want to receive the data resulting from the operation: MV, XML or JSON.</param>
/// <param name="customVars">Free text sent to the database allows management of additional behaviours in SUB.LK.MAIN.CONTROL.CUSTOM, which is called when this parameter is set.</param>
/// <param name="receiveTimeout">Maximum time in seconds that the client will wait for a response from the server. Default = 0 to wait indefinitely.</param>
/// <returns>The results of the operation.</returns>
/// <remarks>
/// Inside the records argument, the recordIds always must be specified. But the originalRecords not always.
/// When <see cref="DeleteOptions">deleteOptions</see> argument is specified and the <see cref="DeleteOptions.OptimisticLockControl"/> property is set to true,
/// a copy of the record must be provided before the deletion (originalRecords argument) to use the Optimistic Lock technique.
/// This copy can be obtained from a previous <see cref="Read"/> operation. The database, before executing the deletion,
/// reads the record and compares it with the copy in originalRecords, if they are equal the record is deleted.
/// But if they are not equal, it means that the record has been modified by other user and the record will not be deleted.
/// The record will have to be read, and deleted again.
/// </remarks>
public string Delete(string filename, string records, DeleteOptions deleteOptions = null,
DATAFORMAT_TYPE inputFormat = DATAFORMAT_TYPE.MV, DATAFORMAT_TYPE outputFormat = DATAFORMAT_TYPE.MV,
string customVars = "", int receiveTimeout = 0)
{
string deleteArgs = OperationArguments.GetDeleteArgs(filename, records, deleteOptions, customVars);
byte opCode = (byte)OPERATION_CODE.DELETE;
byte byteInputFormat = (byte)inputFormat;
byte byteOutputFormat = (byte)outputFormat;
string connectionInfo = this._ConnectionInfo.ToString();
string result = Linkar.ExecutePersistentOperation(this._ConnectionInfo, opCode, deleteArgs, byteInputFormat, byteOutputFormat, receiveTimeout);
return(result);
}
