protected CumulationAwareContext(VaultCompiler compiler)
: base(compiler)
{
lock (compiler._barrier)
{
Changeset = compiler._changeSet.ToArray();
CompilingBaseline = compiler._compilingBaseline;
if (CompilingBaseline)
{
// until we've compiled baseline, we're always instantly embracing all the changes
compiler._changeSet.Clear();
Changeset = new ElementChangedEventArgs[0];
// however, when the baseline is ready and we switch to cumulative mode, then
// changes should be deleted only when the worker has successfully incorporated them
}
}
}
private void SignificantChangeProcessor(ElementChangedEventArgs e)
{
lock (_barrier)
{
_changeSet.Add(e);
GetCompiledAsync();
}
}
private bool SignificantChangeFilter(ElementChangedEventArgs e)
{
// we CARE about:
// 1. deleted svd/fla (maybe indirectly via recursion)
// 2. deleted node (maybe indirectly via recursion)
// 3. added svd/fla
// 4. added node
// 5. changed fla, i.e. "elfCode" value of a "...\_formulaDeclarations\*\" branch got its content changed
// we DON'T CARE about:
// anything else
// special cases of NOT CARING:
// 1. renamed anything
// let's ignore renaming so far, since it's unusual for this app to rename values that have system names
// 2. changed svd's external link, i.e. "repositoryValue" value of a "...\_sourceValueDeclarations\*\" branch got its content changed
// we don't care about the latter since repoValue never gets burned into assembly, but rather gets cached
// whereas cached values get cleared anyways on the compiledscenario instance being reused
// any branch event is important, since both nodes and svds/flae are branches
if (e.Subject is IBranch)
{
// a special case we process here
// imagine that a "_sourceValueDeclarations" node is being added to just create scenario node
// this event in itself is totally irrelevant to recompilation, since it brings nothing new to the table
// however, when that node gains any children - then we surely proceed to recompile the assembly
var b = (IBranch)e.Subject;
if (e.Reason == EventReason.Add && (b.IsFormulaHost() || b.IsSvdHost()))
{
return false;
}
if (e.Reason == EventReason.Add || e.Reason == EventReason.Remove)
{
return true;
}
else
{
return false;
}
}
else
{
var value = (IValue)e.Subject;
if (value.Name == "elfCode")
{
if (e.Reason == EventReason.Content)
{
var oldContent = ((Stream)e.OldValue).AsString();
var newContent = ((Stream)e.NewValue).AsString();
return oldContent != newContent;
}
else if (e.Reason == EventReason.Remove)
{
return true;
}
else
{
return false;
}
}
else
{
return false;
}
}
}