private void HandleEvent(
EventBean theEvent,
bool isNew)
{
var groupByValuesKey = GetGroupKey(theEvent);
// Get child views that belong to this group-by value combination
var subViews = subViewPerKey.Get(groupByValuesKey);
// If this is a new group-by value, the list of subviews is null and we need to make clone sub-views
if (subViews == null) {
var subview = GroupByViewUtil.MakeSubView(this, groupByValuesKey);
var currentTime = AgentInstanceContext.StatementContext.TimeProvider.Time;
subViews = new GroupByViewAgedEntry(subview, currentTime);
subViewPerKey.Put(groupByValuesKey, subViews);
}
else {
subViews.SetLastUpdateTime(AgentInstanceContext.StatementContext.TimeProvider.Time);
}
// Construct a pair of lists to hold the events for the grouped value if not already there
var pair = groupedEvents.Get(subViews);
if (pair == null) {
pair = new Pair<object, object>(null, null);
groupedEvents.Put(subViews, pair);
}
// Add event to a child view event list for later child update that includes new and old events
if (isNew) {
pair.First = GroupByViewImpl.AddUpgradeToDequeIfPopulated(pair.First, theEvent);
}
else {
pair.Second = GroupByViewImpl.AddUpgradeToDequeIfPopulated(pair.Second, theEvent);
}
}
public override void Update(
EventBean[] newData,
EventBean[] oldData)
{
var aiContext = AgentInstanceContext.AgentInstanceContext;
aiContext.AuditProvider.View(newData, oldData, aiContext, ViewFactory);
aiContext.InstrumentationProvider.QViewProcessIRStream(ViewFactory, newData, oldData);
var currentTime = AgentInstanceContext.TimeProvider.Time;
if (nextSweepTime == null || nextSweepTime <= currentTime) {
if (ExecutionPathDebugLog.IsDebugEnabled && Log.IsDebugEnabled) {
Log.Debug(
"Reclaiming groups older then " +
ViewFactory.ReclaimMaxAge +
" msec and every " +
ViewFactory.ReclaimFrequency +
"msec in frequency");
}
nextSweepTime = currentTime + ViewFactory.ReclaimFrequency;
Sweep(currentTime);
}
// Algorithm for single new event
if (newData != null && oldData == null && newData.Length == 1) {
var theEvent = newData[0];
var groupByValuesKey = GetGroupKey(theEvent);
// Get child views that belong to this group-by value combination
var subView = subViewPerKey.Get(groupByValuesKey);
// If this is a new group-by value, the list of subviews is null and we need to make clone sub-views
if (subView == null) {
var subview = GroupByViewUtil.MakeSubView(this, groupByValuesKey);
subView = new GroupByViewAgedEntry(subview, currentTime);
subViewPerKey.Put(groupByValuesKey, subView);
}
else {
subView.SetLastUpdateTime(currentTime);
}
AgentInstanceContext.InstrumentationProvider.QViewIndicate(ViewFactory, newData, null);
subView.Subview.Update(newData, null);
AgentInstanceContext.InstrumentationProvider.AViewIndicate();
}
else {
// Algorithm for dispatching multiple events
if (newData != null) {
foreach (var newValue in newData) {
HandleEvent(newValue, true);
}
}
if (oldData != null) {
foreach (var oldValue in oldData) {
HandleEvent(oldValue, false);
}
}
// Update child views
foreach (var entry in groupedEvents) {
var newEvents = GroupByViewImpl.ConvertToArray(entry.Value.First);
var oldEvents = GroupByViewImpl.ConvertToArray(entry.Value.Second);
AgentInstanceContext.InstrumentationProvider.QViewIndicate(ViewFactory, newEvents, oldEvents);
entry.Key.Subview.Update(newEvents, oldEvents);
AgentInstanceContext.InstrumentationProvider.AViewIndicate();
}
groupedEvents.Clear();
}
AgentInstanceContext.InstrumentationProvider.AViewProcessIRStream();
}