/// <summary>
/// establish files
/// </summary>
/// <returns></returns>
public override async Task EstablishFilesAsync()
{
// set up transaction data folder
await _coreDriver.RootFolder.CreateFolderAsync(TRANSACTION_DATA_FOLDER
, CreationCollisionOption.OpenIfExists);
_coreDriver
.logDebugInfo(
this.GetType(),
125,
"Create transaction data root folder.",
MessageType.INFO);
foreach (MonthIdentity monthId in _coreDriver.MonthIds)
{
// create transaction file for each available month ledger
MonthLedger ledger = new MonthLedger(monthId);
_list.Add(monthId, ledger);
XDocument xdoc = ledger.toXML();
StorageFile file = await generateFilePath(monthId, true);
try
{
await FileIO.WriteTextAsync(file, xdoc.ToString());
}
catch (FileNotFoundException e)
{
_coreDriver.logDebugInfo(this.GetType(), 530, e.Message,
MessageType.ERRO);
throw new SystemException(e);
}
}
}
/// <summary>
/// get entity
/// </summary>
/// <param name="docId"></param>
/// <returns></returns>
public HeadEntity GetEntity(DocumentIdentity docId)
{
MonthLedger ledger = this.GetLedger(docId._monthIdentity);
if (ledger == null)
{
return(null);
}
return(ledger.GetEntity(docId));
}
/// <summary>
/// store month ledger to file system
/// </summary>
/// <param name="monthId"></param>
/// <exception cref="SystemException"></exception>
public async Task StoreAsync(MonthIdentity monthId)
{
// store master data
_coreDriver.logDebugInfo(this.GetType(), 293,
String.Format("Start storing %s to disk", monthId),
MessageType.INFO);
_coreDriver.logDebugInfo(this.GetType(), 297,
"Store master data at first.", MessageType.INFO);
await this._masterDataMgmt.StoreAsync();
MonthLedger collection = this.GetLedger(monthId);
StorageFile file = await this.generateFilePath(monthId, true);
_coreDriver.logDebugInfo(this.GetType(), 297, "Generate file path: "
+ file.Path, MessageType.INFO);
if (file == null)
{
StorageFolder transactionFolder = await _coreDriver.RootFolder
.GetFolderAsync(TRANSACTION_DATA_FOLDER);
if (transactionFolder == null)
{
throw new SystemException(null); // bug
}
String fileName = String.Format("{0}.xml", monthId.ToString());
file = await transactionFolder.CreateFileAsync(fileName
, CreationCollisionOption.OpenIfExists);
}
XDocument xdoc = collection.toXML();
_coreDriver
.logDebugInfo(this.GetType(), 297,
"Parsed document collections to XML document",
MessageType.INFO);
try
{
await FileIO.WriteTextAsync(file, xdoc.ToString());
}
catch (FileNotFoundException e)
{
_coreDriver.logDebugInfo(this.GetType(), 316, e.Message,
MessageType.ERRO);
throw new SystemException(e);
}
_coreDriver.logDebugInfo(this.GetType(), 335,
"Save document collection successfully.", MessageType.INFO);
}
/// <summary>
/// Get Ledger
/// </summary>
/// <param name="monthId"></param>
/// <returns></returns>
public MonthLedger GetLedger(MonthIdentity monthId)
{
// get current calendar month
MonthIdentity curMonthId = _coreDriver.CurCalendarMonthId;
// check whether ledger beyond the range
if (_coreDriver.StartMonthId.CompareTo(monthId) > 0 ||
curMonthId.CompareTo(monthId) < 0)
{
return(null);
}
// create new month ledger
MonthLedger monthLedger;
if (!_list.TryGetValue(monthId, out monthLedger))
{
monthLedger = new MonthLedger(monthId);
_list.Add(monthId, monthLedger);
}
return(monthLedger);
}
/// <summary>
/// load month identity
/// </summary>
/// <param name="monthId"></param>
/// <returns></returns>
/// <exception cref="TransactionDataFileFormatException"></exception>
public async Task <MonthLedger> Load(MonthIdentity monthId)
{
// construct month ledger
MonthLedger monthledger = new MonthLedger(monthId);
_list.Add(monthId, monthledger);
_coreDriver.logDebugInfo(
this.GetType(),
102,
String.Format("Loading transaction data {0} ...",
monthId.ToString()), MessageType.INFO);
// get file path
StorageFile file = await generateFilePath(monthId, false);
if (file == null)
{// empty
return(monthledger);
}
_coreDriver.logDebugInfo(this.GetType(), 109,
String.Format("Transaction data file: {0} .", file.Path),
MessageType.INFO);
try
{
string text = await FileIO.ReadTextAsync(file);
XDocument xdoc = XDocument.Parse(text);
XElement rootElem = xdoc.Element(TransDataUtils.XML_ROOT);
// no root element
if (rootElem == null)
{
throw new TransactionDataFileFormatException(file.Path);
}
// -------------------------------------------------------------------
// parse all the documents
foreach (XElement elem in rootElem.Elements(TransDataUtils.XML_DOCUMENT))
{
HeadEntity head = HeadEntity.Parse(_coreDriver,
_masterDataMgmt, elem);
_coreDriver
.logDebugInfo(
this.GetType(),
172,
String.Format(
"Document {0} add to list during loading.",
head.DocIdentity
.ToString()),
MessageType.INFO);
monthledger.Add(head);
// raise load document
_coreDriver.ListenerMgmt.LoadDoc(this, head);
// raise reverse document
if (head.IsReversed)
{
_coreDriver.ListenerMgmt.ReverseDoc(head);
}
}
// -----------------------------------------------------------------
return(monthledger);
}
catch (TransactionDataFileFormatException e)
{
_coreDriver.logDebugInfo(this.GetType(), 170, e.Message,
MessageType.ERRO);
throw new TransactionDataFileFormatException(file.Path);
}
}
/// <summary>
/// save document
/// </summary>
/// <param name="head"></param>
/// <param name="needStroe"></param>
/// <exception cref="SystemException"></exception>
/// <exception cref="SaveClosedLedgerException"></exception>
internal async Task saveDocumentAsync(HeadEntity head, bool needStroe)
{
_coreDriver.logDebugInfo(this.GetType(), 231,
"Call transaction to save the document", MessageType.INFO);
if (head.IsSaved)
{
_coreDriver.logDebugInfo(this.GetType(), 235,
"Document is saved, just to store the update on disk.",
MessageType.INFO);
}
else
{
_coreDriver.logDebugInfo(this.GetType(), 239,
"Document is never saved", MessageType.INFO);
MonthIdentity monthId = head.MonthID;
MonthLedger ledger = this.GetLedger(monthId);
if (ledger == null)
{
_coreDriver.logDebugInfo(this.GetType(), 239,
"Error in document month identity", MessageType.ERRO);
throw new SaveClosedLedgerException();
}
// set document number
DocumentNumber num;
List <HeadEntity> entities = ledger.Entities;
if (entities.Count == 0)
{
try
{
num = new DocumentNumber("1000000001".ToCharArray());
}
catch (IdentityTooLong e)
{
_coreDriver.logDebugInfo(this.GetType(), 239,
e.ToString(), MessageType.ERRO);
throw new SystemException(e);
}
catch (IdentityNoData e)
{
_coreDriver.logDebugInfo(this.GetType(), 239,
e.ToString(), MessageType.ERRO);
throw new SystemException(e);
}
catch (IdentityInvalidChar e)
{
_coreDriver.logDebugInfo(this.GetType(), 239,
e.ToString(), MessageType.ERRO);
throw new SystemException(e);
}
}
else
{
HeadEntity last = entities[entities.Count - 1];
num = last.DocNumber.Next();
}
_coreDriver.logDebugInfo(this.GetType(), 239,
"Generate document number " + num.ToString(),
MessageType.INFO);
head._docNumber = num;
ledger.Add(head);
}
if (needStroe)
{
await StoreAsync(head.MonthID);
_coreDriver.logDebugInfo(this.GetType(), 465,
"Memory has been stored to disk", MessageType.INFO);
}
else
{
_coreDriver.logDebugInfo(this.GetType(), 465,
"Memory has NOT been stored to disk", MessageType.INFO);
}
_coreDriver.logDebugInfo(this.GetType(), 278,
"Call transaction to save the document successfully",
MessageType.INFO);
}
/// <summary>
/// load month identity
/// </summary>
/// <param name="monthId"></param>
/// <returns></returns>
/// <exception cref="TransactionDataFileFormatException"></exception>
public async Task<MonthLedger> Load(MonthIdentity monthId)
{
// construct month ledger
MonthLedger monthledger = new MonthLedger(monthId);
_list.Add(monthId, monthledger);
_coreDriver.logDebugInfo(
this.GetType(),
102,
String.Format("Loading transaction data {0} ...",
monthId.ToString()), MessageType.INFO);
// get file path
StorageFile file = await generateFilePath(monthId, false);
if (file == null)
{// empty
return monthledger;
}
_coreDriver.logDebugInfo(this.GetType(), 109,
String.Format("Transaction data file: {0} .", file.Path),
MessageType.INFO);
try
{
string text = await FileIO.ReadTextAsync(file);
XDocument xdoc = XDocument.Parse(text);
XElement rootElem = xdoc.Element(TransDataUtils.XML_ROOT);
// no root element
if (rootElem == null)
{
throw new TransactionDataFileFormatException(file.Path);
}
// -------------------------------------------------------------------
// parse all the documents
foreach (XElement elem in rootElem.Elements(TransDataUtils.XML_DOCUMENT))
{
HeadEntity head = HeadEntity.Parse(_coreDriver,
_masterDataMgmt, elem);
_coreDriver
.logDebugInfo(
this.GetType(),
172,
String.Format(
"Document {0} add to list during loading.",
head.DocIdentity
.ToString()),
MessageType.INFO);
monthledger.Add(head);
// raise load document
_coreDriver.ListenerMgmt.LoadDoc(this, head);
// raise reverse document
if (head.IsReversed)
_coreDriver.ListenerMgmt.ReverseDoc(head);
}
// -----------------------------------------------------------------
return monthledger;
}
catch (TransactionDataFileFormatException e)
{
_coreDriver.logDebugInfo(this.GetType(), 170, e.Message,
MessageType.ERRO);
throw new TransactionDataFileFormatException(file.Path);
}
}
/// <summary>
/// establish files
/// </summary>
/// <returns></returns>
public override async Task EstablishFilesAsync()
{
// set up transaction data folder
await _coreDriver.RootFolder.CreateFolderAsync(TRANSACTION_DATA_FOLDER
, CreationCollisionOption.OpenIfExists);
_coreDriver
.logDebugInfo(
this.GetType(),
125,
"Create transaction data root folder.",
MessageType.INFO);
foreach (MonthIdentity monthId in _coreDriver.MonthIds)
{
// create transaction file for each available month ledger
MonthLedger ledger = new MonthLedger(monthId);
_list.Add(monthId, ledger);
XDocument xdoc = ledger.toXML();
StorageFile file = await generateFilePath(monthId, true);
try
{
await FileIO.WriteTextAsync(file, xdoc.ToString());
}
catch (FileNotFoundException e)
{
_coreDriver.logDebugInfo(this.GetType(), 530, e.Message,
MessageType.ERRO);
throw new SystemException(e);
}
}
}
/// <summary>
/// Get Ledger
/// </summary>
/// <param name="monthId"></param>
/// <returns></returns>
public MonthLedger GetLedger(MonthIdentity monthId)
{
// get current calendar month
MonthIdentity curMonthId = _coreDriver.CurCalendarMonthId;
// check whether ledger beyond the range
if (_coreDriver.StartMonthId.CompareTo(monthId) > 0
|| curMonthId.CompareTo(monthId) < 0)
{
return null;
}
// create new month ledger
MonthLedger monthLedger;
if (!_list.TryGetValue(monthId, out monthLedger))
{
monthLedger = new MonthLedger(monthId);
_list.Add(monthId, monthLedger);
}
return monthLedger;
}