public DustProcVisitProcess(DustSession session, DustInfoTray tray)
{
this.session = session;
this.infoTray = tray;
this.visitTray = tray as DustVisitTray;
callbackTray = (null == visitTray) ? new DustVisitTray(tray, null) : new DustVisitTray(visitTray);
callbackTray.entity = session.resolveEntity(tray.entity);
empty = true;
dip = tray.value as DustInfoProcessor;
// dif = tray.value as DustInfoFilter;
dvp = tray.value as DustVisitor;
}
public void visitEntity(object readerParent)
{
var e = session.resolveEntity(callbackTray.entity);
if (null != e)
{
Exception procEx = null;
try {
bool found = visitedEntities.ContainsKey(e);
bool nochk = callbackTray.cmd.HasFlag(VisitCommand.recNoCheck);
if (visitedEntities.ContainsKey(e) && !callbackTray.cmd.HasFlag(VisitCommand.recNoCheck))
{
callbackTray.readerObject = visitedEntities[e];
sendVisitEvent(VisitEvent.entityRevisit);
}
else
{
callbackTray.entity = e;
callbackTray.readerParent = readerParent;
callbackTray.readerObject = VISITED;
if (sendVisitEvent(VisitEvent.entityStartOpt))
{
Object rh = callbackTray.readerObject;
visitedEntities[e] = rh ?? VISITED;
foreach (var ec in e.content.Keys)
{
callbackTray.key = ec;
var val = e.content[ec];
if (null != val)
{
callbackTray.readerObject = rh;
if (sendVisitEvent(VisitEvent.keyStartOpt))
{
var r = val as DustDataReference;
if ((null == r) && callbackTray.cmd.HasFlag(VisitCommand.visitAtts))
{
callbackTray.value = val;
callbackTray.readerObject = rh;
dip.processInfo(callbackTray);
callbackTray.key = ec;
callbackTray.readerObject = rh;
callbackTray.readerParent = readerParent;
sendVisitEvent(VisitEvent.keyEnd);
}
else if ((null != r) && callbackTray.cmd.HasFlag(VisitCommand.visitRefs))
{
visitRef(e, ec, rh, false);
}
}
}
}
callbackTray.readerObject = rh;
callbackTray.readerParent = readerParent;
sendVisitEvent(VisitEvent.entityEnd);
visitedEntities[e] = callbackTray.readerObject ?? VISITED;
}
}
} catch (Exception ex) {
callbackTray.readerObject = procEx = ex;
sendVisitEvent((ex is DustException) ? VisitEvent.visitAborted : VisitEvent.visitInternalError);
} finally {
if (callbackTray.cmd.HasFlag(VisitCommand.recPathOnce))
{
visitedEntities.Remove(e);
}
}
if (null != procEx)
{
throw procEx;
}
}
}
