internal string GetRecord(string Id)
{
FlaimError.Error rc = FlaimError.Error.FERR_OK;
char [] Buffer;
int length = 4096;
do
{
Buffer = new char[length];
rc = FWGetObject(pStore, Id, ref length, Buffer);
} while (rc == FlaimError.Error.FERR_MEM);
if (FlaimError.IsError(rc) && rc != FlaimError.Error.FERR_NOT_FOUND)
{
throw FlaimError.GetException(rc);
}
if (length > 0)
{
return(new string(Buffer, 0, length));
}
else
{
return(null);
}
}
/// <summary>
/// Called to Create a new Collection Store at the specified location.
/// </summary>
public void CreateStore()
{
FlaimError.Error rc = Flaim.CreateStore();
if (FlaimError.IsError(rc))
{
throw (new CreateException("Flaim DB", FlaimError.GetException(rc)));
}
}
/// <summary>
/// Called to Delete the opened CollectionStore.
/// </summary>
public void DeleteStore()
{
FlaimError.Error rc = Flaim.DeleteStore();
if (FlaimError.IsError(rc))
{
// We had an error the store was not deleted.
throw(new DeleteException("Flaim DB", FlaimError.GetException(rc)));
}
}
/// <summary>
/// Used to Create, Modify or Delete records from the store.
/// </summary>
/// <param name="container">The container that the commit applies to.</param>
/// <param name="createDoc">The records to create or modify.</param>
/// <param name="deleteDoc">The records to delete.</param>
public void CommitRecords(string container, XmlDocument createDoc, XmlDocument deleteDoc)
{
FlaimError.Error rc = Flaim.CommitRecords(container, createDoc, deleteDoc);
if (FlaimError.IsError(rc))
{
// We had an error the commit was not successful.
throw(new CommitException(createDoc, deleteDoc, FlaimError.GetException(rc)));
}
}
/// <summary>
/// Called to Delete a record container.
/// This call is deep (all records contained are deleted).
/// </summary>
/// <param name="name">The name of the container.</param>
public void DeleteContainer(string name)
{
FlaimError.Error rc = Flaim.DeleteContainer(name);
if (FlaimError.IsError(rc))
{
// We had an error the container was not deleted.
throw(new DeleteException(name, FlaimError.GetException(rc)));
}
}
/// <summary>
/// Called to Open an existing Collection store at the specified location.
/// </summary>
public void OpenStore()
{
FlaimError.Error rc = Flaim.OpenStore();
if (FlaimError.IsError(rc))
{
if (rc == FlaimError.Error.FERR_IO_PATH_NOT_FOUND)
{
// The files do not exist.
throw new ApplicationException();
}
else
{
// We had an error the store was not opened.
throw(new OpenException("Flaim DB", FlaimError.GetException(rc)));
}
}
}
/// <summary>
/// Used to Create, Modify or Delete records from the store.
/// </summary>
/// <param name="container">The container that the commit applies to.</param>
/// <param name="createDoc">The records to create or modify.</param>
/// <param name="deleteDoc">The records to delete.</param>
internal FlaimError.Error CommitRecords(string container, XmlDocument createDoc, XmlDocument deleteDoc)
{
FlaimError.Error rc = FlaimError.Error.FERR_OK;
Flaim4 flaim = this.Flaim;
try
{
Flaim.BeginTrans();
try
{
if (createDoc != null)
{
XmlNodeList recordList = createDoc.DocumentElement.SelectNodes(XmlTags.ObjectTag);
foreach (XmlElement recordEl in recordList)
{
bool reuseId;
int flmId = 0;
if (IdQueue.Count != 0)
{
flmId = (int)IdQueue.Peek();
reuseId = true;
}
FlaimRecord record = new FlaimRecord(recordEl);
rc = flaim.CreateObject(record, flmId, out reuseId);
if (FlaimError.IsSuccess(rc))
{
if (reuseId)
{
flmId = (int)IdQueue.Dequeue();
}
}
else
{
throw FlaimError.GetException(rc);
}
}
}
if (deleteDoc != null)
{
XmlNodeList recordList = deleteDoc.DocumentElement.SelectNodes(XmlTags.ObjectTag);
foreach (XmlElement recordEl in recordList)
{
int flmId;
FlaimRecord record = new FlaimRecord(recordEl);
rc = flaim.DeleteObject(record.Id, out flmId);
if (FlaimError.IsSuccess(rc))
{
IdQueue.Enqueue(flmId);
}
else if (rc != FlaimError.Error.FERR_NOT_FOUND)
{
throw FlaimError.GetException(rc);
}
else
{
rc = FlaimError.Error.FERR_OK;
}
}
}
Flaim.EndTrans();
}
catch
{
Flaim.AbortTrans();
}
}
catch
{
if (FlaimError.IsSuccess(rc))
{
rc = FlaimError.Error.FERR_FAILURE;
}
}
return(rc);
}
