public RowForm(Row row, Participant participant, RowReference reference, List <RowValue> rowValues)
{
_row = row;
_participant = participant;
Reference = reference;
RowValues = rowValues;
}
private RemoteRowInfo BuildRemoteRowInfo(RowReference reference)
{
return(new RemoteRowInfo
{
DatabaseId = this.DatabaseId,
DatabaseName = _process.GetDatabase(this.DatabaseId).Name,
TableId = this.Id,
TableName = this.Name,
RowId = reference.RowId
});
}
private async Task <bool> DeleteRemoteRow(RowReference reference)
{
/*
*
* var getRowMessage = _process.Network.BuildMessage(Participant.Location, content, MessageDataAction.Process.Get_Remote_Row, MessageType.Data, requestId);
* _process.Network.SendMessageRequestId(getRowMessage, requestId);
* bool gotData = await _process.Network.WaitForMessageTokenAsync(requestId);
*
* if (gotData)
* {
* if (_process.Network.DataProcessor.HasMessageId(requestId))
* {
* Message rowMessage;
* _process.Network.DataProcessor.TryGetMessage(requestId, out rowMessage);
*
* if (rowMessage != null)
* {
* row = rowMessage.GetContentAs<Row>();
* }
*
* }
* }
*/
if (!reference.IsLocal(_process))
{
var requestId = Guid.NewGuid();
var remoteRowInfo = BuildRemoteRowInfo(reference);
var content = JsonConvert.SerializeObject(remoteRowInfo);
var message = _process.Network.BuildMessage(reference.Participant.Location, content, MessageDataAction.Row.Delete_Row, MessageType.Data, requestId, MessageActionType.Table, remoteRowInfo.GetType());
var response = _process.Network.SendMessage(message);
if (response != null)
{
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
public void UpdateRow(RowReference reference, List <RowValue> values)
{
// TO DO: we should be checking the rights on the contract if this is allowed.
var row = reference.Get(_process);
if (row != null)
{
foreach (var value in values)
{
var item = row.Values.Where(v => v.ColumnName == value.ColumnName && v.ColumnType == value.ColumnType).FirstOrDefault();
if (item != null)
{
item.Value = value.Value;
}
}
if (reference.IsLocal(_process))
{
// update the row locally and trigger update row event to re-save the database
// do we need to do this? or just go ahead and re-save the database since we've modified the row?
_store.RemoveRow(reference.RowId);
_store.AddRow(row);
_process.EventManager.TriggerEvent(EventName.Row.Modified, CreateNewRowModifiedEventArgs(row));
}
else
{
// need to send a message to the remote participant to update the row
var updateRemoteRowId = Guid.NewGuid();
RowForm rowInfo = new RowForm(row, reference.Participant, reference, values);
var content = JsonConvert.SerializeObject(rowInfo);
var updateRemoteRowMessage = _process.Network.BuildMessage(reference.Participant.Location, content, MessageDataAction.Row.Update_Row, MessageType.Data, updateRemoteRowId, MessageActionType.Table, rowInfo.GetType());
var response = _process.Network.SendMessage(updateRemoteRowMessage);
if (response != null)
{
_process.EventManager.TriggerEvent(EventName.Row.Modified, CreateNewRowModifiedEventArgs(row));
}
}
}
}
public Row GetRow(RowReference reference)
{
var row = new Row();
if (reference.Participant.Location.IsLocal(_process) ||
reference.Participant.IsDatabase(DatabaseId))
{
row = _store.Rows.Where(r => r.Id == reference.RowId).First();
row.LastAccessed = DateTime.Now;
_process.EventManager.TriggerEvent(EventName.Row.Read,
CreateRowAccessedEventArgs(row));
}
else
{
row = reference.Get(_process);
}
return(row);
}
public Row GetRow(Guid?rowId)
{
var result = new Row();
var row = new RowReference();
row = _rows.Where(r => r.RowId == rowId).FirstOrDefault();
result = _store.Rows.Where(r => r.Id == rowId).FirstOrDefault();
if (row.IsLocal(_process))
{
foreach (var value in result.Values)
{
// this can return null if we're on a remote host rather than the main host
var item = GetColumn(value.ColumnId);
if (item != null)
{
value.ColumnName = item.Name;
}
}
}
return(result);
}
