public void ExecutePreload()
{
if (_nwActivator.NamedWindowContextName != null &&
!_nwActivator.NamedWindowContextName.Equals(_agentInstanceContext.StatementContext.ContextName))
{
return;
}
ICollection <EventBean> snapshot = _consumer.ConsumerCallback.Snapshot(_nwActivator.FilterQueryGraph, _agentInstanceContext.Annotations);
EventBean[] events;
if (_consumer.Filter == null)
{
events = CollectionUtil.ToArrayEvents(snapshot);
}
else
{
IList <EventBean> eventsInWindow = new List <EventBean>(snapshot.Count);
ExprNodeUtilityEvaluate.ApplyFilterExpressionIterable(snapshot.GetEnumerator(), _consumer.Filter, _agentInstanceContext, eventsInWindow);
events = eventsInWindow.ToArray();
}
if (events.Length == 0)
{
return;
}
_consumer.Update(events, null);
if (_joinPreloadMethod != null &&
!_joinPreloadMethod.IsPreloading)
{
_agentInstanceContext.EpStatementAgentInstanceHandle.OptionalDispatchable?.Execute();
}
}
protected internal static ICollection<EventBean> Filtered(
ICollection<EventBean> snapshot,
ExprEvaluator filterExpressions,
AgentInstanceContext agentInstanceContext)
{
ArrayDeque<EventBean> deque = new ArrayDeque<EventBean>(Math.Min(snapshot.Count, 16));
ExprNodeUtilityEvaluate.ApplyFilterExpressionIterable(
snapshot.GetEnumerator(),
filterExpressions,
agentInstanceContext,
deque);
return deque;
}
private ICollection<EventBean> SnapshotAndApplyFilter(
QueryGraph queryGraph,
Attribute[] annotations,
ExprEvaluator filterExpr,
AgentInstanceContext agentInstanceContext)
{
var indexedResult = SnapshotNullWhenNoIndex(queryGraph, annotations, null, null);
if (indexedResult != null) {
if (indexedResult.IsEmpty() || filterExpr == null) {
return indexedResult;
}
var dequeX = new ArrayDeque<EventBean>(Math.Min(indexedResult.Count, 16));
ExprNodeUtilityEvaluate.ApplyFilterExpressionIterable(
indexedResult.GetEnumerator(),
filterExpr,
agentInstanceContext,
dequeX);
return dequeX;
}
// fall back to window operator if snapshot doesn't resolve successfully
var sourceCollection = instance.EventCollection;
using (IEnumerator<EventBean> enumerator = sourceCollection.GetEnumerator()) {
if (!enumerator.MoveNext()) {
return new EmptyList<EventBean>();
}
var deque = new ArrayDeque<EventBean>(sourceCollection.Count);
if (filterExpr != null) {
ExprNodeUtilityEvaluate.ApplyFilterExpressionIterable(
sourceCollection.GetEnumerator(),
filterExpr,
agentInstanceContext,
deque);
}
else {
do {
deque.Add(enumerator.Current);
} while (enumerator.MoveNext());
}
return deque;
}
}
public ICollection<EventBean> SnapshotNoLockWithFilter(
QueryGraph filterQueryGraph,
Attribute[] annotations,
ExprEvaluator filterExpr,
ExprEvaluatorContext exprEvaluatorContext)
{
var indexedResult = _rootViewInstance.Snapshot(filterQueryGraph, annotations);
if (indexedResult != null) {
if (indexedResult.IsEmpty()) {
return indexedResult;
}
if (filterExpr == null) {
return indexedResult;
}
var deque = new ArrayDeque<EventBean>(Math.Min(indexedResult.Count, 16));
ExprNodeUtilityEvaluate.ApplyFilterExpressionIterable(
indexedResult.GetEnumerator(),
filterExpr,
exprEvaluatorContext,
deque);
return deque;
}
// fall back to window operator if snapshot doesn't resolve successfully
using (var enumerator = parent.GetEnumerator()) {
var list = new ArrayDeque<EventBean>();
if (filterExpr != null) {
ExprNodeUtilityEvaluate.ApplyFilterExpressionIterable(enumerator, filterExpr, AgentInstanceContext, list);
}
else {
while (enumerator.MoveNext()) {
list.Add(enumerator.Current);
}
}
return list;
}
}
public static ReformatFormatForgeDesc ValidateGetFormatterType(
EPType inputType,
string methodName,
ExprNode exprNode)
{
if (!(inputType is ClassEPType)) {
throw new ExprValidationException(
GetMessage(methodName) + " requires a datetime input value but received " + inputType);
}
if (!exprNode.Forge.ForgeConstantType.IsConstant) {
throw new ExprValidationException(GetMessage(methodName) + " requires a constant-value format");
}
var formatForge = exprNode.Forge;
var formatType = formatForge.EvaluationType;
if (formatType == null) {
throw new ExprValidationException(GetMessage(methodName) + " invalid null format object");
}
object format = null;
if (formatForge.ForgeConstantType.IsCompileTimeConstant) {
format = ExprNodeUtilityEvaluate.EvaluateValidationTimeNoStreams(
exprNode.Forge.ExprEvaluator,
null,
"date format");
if (format == null) {
throw new ExprValidationException(GetMessage(methodName) + " invalid null format object");
}
}
// handle legacy date
var input = (ClassEPType) inputType;
if (input.Clazz.GetBoxedType() == typeof(long?) ||
TypeHelper.IsSubclassOrImplementsInterface(input.Clazz, typeof(DateTime)) ||
TypeHelper.IsSubclassOrImplementsInterface(input.Clazz, typeof(DateTimeOffset)) ||
TypeHelper.IsSubclassOrImplementsInterface(input.Clazz, typeof(DateTimeEx))) {
if (TypeHelper.IsSubclassOrImplementsInterface(formatType, typeof(DateFormat))) {
return new ReformatFormatForgeDesc(typeof(DateFormat));
}
if (TypeHelper.IsSubclassOrImplementsInterface(formatType, typeof(string))) {
if (format != null) {
try {
new SimpleDateFormat((string) format);
}
catch (Exception ex) {
throw new ExprValidationException(
GetMessage(methodName) + " invalid format string (SimpleDateFormat): " + ex.Message,
ex);
}
}
return new ReformatFormatForgeDesc(typeof(string));
}
throw GetFailedExpected(methodName, typeof(DateFormat), formatType);
}
if (TypeHelper.IsSubclassOrImplementsInterface(formatType, typeof(DateTimeFormat))) {
return new ReformatFormatForgeDesc(typeof(DateTimeFormat));
}
if (TypeHelper.IsSubclassOrImplementsInterface(formatType, typeof(string))) {
if (format != null) {
try {
DateTimeFormat.For((string) format);
}
catch (Exception ex) {
throw new ExprValidationException(
GetMessage(methodName) + " invalid format string (DateTimeFormatter): " + ex.Message,
ex);
}
}
return new ReformatFormatForgeDesc(typeof(string));
}
throw GetFailedExpected(methodName, typeof(DateTimeFormat), formatType);
}
