protected override bool EvaluateCondition()
{
bool result = false;
if (Condition != String.Empty)
{
DAE.Runtime.DataParams localParamsValue = BaseArgument.CollectArguments(this);
DAE.IServerProcess process = HostNode.Session.DataSession.ServerSession.StartProcess(new DAE.ProcessInfo(HostNode.Session.DataSession.ServerSession.SessionInfo));
try
{
ErrorList errors = new ErrorList();
DAE.IServerScript script = process.PrepareScript(String.Format("select {0}", Condition));
try
{
DAE.IServerBatch batch = script.Batches[0];
DAE.IServerExpressionPlan plan = batch.PrepareExpression(localParamsValue);
try
{
errors.AddRange(plan.Messages);
using (IDataValue dataValue = plan.Evaluate(localParamsValue))
result = dataValue == null ? false : (bool)dataValue.AsNative;
}
finally
{
batch.UnprepareExpression(plan);
}
}
finally
{
process.UnprepareScript(script);
}
HostNode.Session.ReportErrors(HostNode, errors);
}
finally
{
HostNode.Session.DataSession.ServerSession.StopProcess(process);
}
BaseArgument.ApplyArguments(this, localParamsValue);
}
return(result);
}
// Action
/// <summary> Runs script on the local server. </summary>
protected override void InternalExecute(INode sender, EventParams paramsValue)
{
DAE.Runtime.DataParams localParamsValue = BaseArgument.CollectArguments(this);
if (_script != String.Empty)
{
Guid enlistWithATID = Guid.Empty;
if ((_enlistWith != null) && (_enlistWith.DataView != null) && _enlistWith.DataView.Active && (_enlistWith.DataView.ApplicationTransactionServer != null))
{
enlistWithATID = _enlistWith.DataView.ApplicationTransactionServer.ApplicationTransactionID;
}
DAE.IServerProcess process = HostNode.Session.DataSession.ServerSession.StartProcess(new DAE.ProcessInfo(HostNode.Session.DataSession.ServerSession.SessionInfo));
try
{
if (enlistWithATID != Guid.Empty)
{
process.JoinApplicationTransaction(enlistWithATID, false);
}
ErrorList errors = new ErrorList();
DAE.IServerScript script = process.PrepareScript(_script);
try
{
foreach (DAE.IServerBatch batch in script.Batches)
{
if (batch.IsExpression())
{
DAE.IServerExpressionPlan plan = batch.PrepareExpression(localParamsValue);
try
{
errors.AddRange(plan.Messages);
if (plan.DataType is DAE.Schema.TableType)
{
plan.Close(plan.Open(localParamsValue));
}
else
{
plan.Evaluate(localParamsValue).Dispose();
}
}
finally
{
batch.UnprepareExpression(plan);
}
}
else
{
DAE.IServerStatementPlan plan = batch.PrepareStatement(localParamsValue);
try
{
errors.AddRange(plan.Messages);
plan.Execute(localParamsValue);
}
finally
{
batch.UnprepareStatement(plan);
}
}
}
}
finally
{
process.UnprepareScript(script);
}
HostNode.Session.ReportErrors(HostNode, errors);
}
finally
{
HostNode.Session.DataSession.ServerSession.StopProcess(process);
}
BaseArgument.ApplyArguments(this, localParamsValue);
}
}
