public void CloseCursor(IRemoteServerCursor cursor, ProcessCallInfo callInfo)
{
ClientExpressionPlan plan = (ClientExpressionPlan)cursor.Plan;
plan.Close(cursor, callInfo);
UnprepareExpression(plan);
}
public IRemoteServerCursor OpenCursor(string expression, ref RemoteParamData paramsValue, out IRemoteServerExpressionPlan plan, out PlanDescriptor planDescriptor, out ProgramStatistics executeTime, ProcessCallInfo callInfo, RemoteProcessCleanupInfo cleanupInfo, out Guid[] bookmarks, int count, out RemoteFetchData fetchData)
{
try
{
var channel = GetServiceInterface();
IAsyncResult result = channel.BeginOpenCursorWithFetch(ProcessHandle, GetCleanupInfo(cleanupInfo), callInfo, expression, paramsValue, count, null, null);
result.AsyncWaitHandle.WaitOne();
DirectCursorWithFetchResult cursorResult = channel.EndOpenCursorWithFetch(result);
paramsValue.Data = cursorResult.ParamData;
planDescriptor = cursorResult.PlanDescriptor;
executeTime = cursorResult.ExecuteTime;
bookmarks = cursorResult.Bookmarks;
fetchData = cursorResult.FetchData;
plan = new ClientExpressionPlan(this, planDescriptor);
return(new ClientCursor((ClientExpressionPlan)plan, cursorResult.CursorDescriptor));
}
catch (FaultException <DataphorFault> fault)
{
throw DataphorFaultUtility.FaultToException(fault.Detail);
}
catch (CommunicationException ce)
{
ReportCommunicationError();
throw new ServerException(ServerException.Codes.CommunicationFailure, ErrorSeverity.Environment, ce);
}
}
public byte[] Evaluate(string expression, ref RemoteParamData paramsValue, out IRemoteServerExpressionPlan plan, out PlanDescriptor planDescriptor, out ProgramStatistics executeTime, ProcessCallInfo callInfo, RemoteProcessCleanupInfo cleanupInfo)
{
try
{
var channel = GetServiceInterface();
IAsyncResult result = channel.BeginEvaluateExpression(ProcessHandle, GetCleanupInfo(cleanupInfo), callInfo, expression, paramsValue, null, null);
result.AsyncWaitHandle.WaitOne();
DirectEvaluateResult evaluateResult = channel.EndEvaluateExpression(result);
paramsValue.Data = evaluateResult.ParamData;
planDescriptor = evaluateResult.PlanDescriptor;
executeTime = evaluateResult.ExecuteTime;
plan = new ClientExpressionPlan(this, planDescriptor);
return(evaluateResult.Result);
}
catch (FaultException <DataphorFault> fault)
{
throw DataphorFaultUtility.FaultToException(fault.Detail);
}
catch (CommunicationException ce)
{
ReportCommunicationError();
throw new ServerException(ServerException.Codes.CommunicationFailure, ErrorSeverity.Environment, ce);
}
}
public void Close()
{
ClientExpressionPlan.Close(this, ProcessCallInfo.Empty);
}
public ClientCursor(ClientExpressionPlan clientExpressionPlan, CursorDescriptor cursorDescriptor)
{
_clientExpressionPlan = clientExpressionPlan;
_cursorDescriptor = cursorDescriptor;
}