public object EvaluateEnumMethod(
EventBean[] eventsLambda,
ICollection<object> enumcoll,
bool isNewData,
ExprEvaluatorContext context)
{
if (enumcoll.IsEmpty()) {
return enumcoll;
}
var evalEvent = new ObjectArrayEventBean(new object[1], _forge.evalEventType);
eventsLambda[_forge.streamNumLambda] = evalEvent;
var evalProps = evalEvent.Properties;
var indexEvent = new ObjectArrayEventBean(new object[1], _forge.indexEventType);
eventsLambda[_forge.streamNumLambda + 1] = indexEvent;
var indexProps = indexEvent.Properties;
if (enumcoll.Count == 1) {
var item = enumcoll.First();
evalProps[0] = item;
indexProps[0] = 0;
var pass = _innerExpression.Evaluate(eventsLambda, isNewData, context);
if (pass == null || !(bool) pass) {
return Collections.GetEmptyList<object>();
}
return Collections.SingletonList(item);
}
var all = TakeWhileLastScalarToArray(enumcoll);
var result = new ArrayDeque<object>();
var index = 0;
for (var i = all.Length - 1; i >= 0; i--) {
evalProps[0] = all[i];
indexProps[0] = index++;
var pass = _innerExpression.Evaluate(eventsLambda, isNewData, context);
if (pass == null || !(bool) pass) {
break;
}
result.AddFirst(all[i]);
}
return result;
}
public override void GetTraverseStatement(
EventTypeIndexTraverse traverse,
ICollection<int> statementIds,
ArrayDeque<FilterItem> evaluatorStack)
{
evaluatorStack.AddFirst(new FilterItem(_advancedIndex.Expression, FilterOperator.ADVANCED_INDEX, this));
PointRegionQuadTreeFilterIndexTraverse.Traverse(_quadTree, @object => {
if (@object is FilterHandleSetNode filterHandleSetNode) {
filterHandleSetNode.GetTraverseStatement(traverse, statementIds, evaluatorStack);
return;
}
if (@object is FilterHandle filterHandle) {
traverse.Invoke(evaluatorStack, filterHandle);
}
});
evaluatorStack.RemoveFirst();
}
public object EvaluateEnumMethod(
EventBean[] eventsLambda,
ICollection<object> enumcoll,
bool isNewData,
ExprEvaluatorContext context)
{
if (enumcoll.IsEmpty()) {
return enumcoll;
}
var indexEvent = new ObjectArrayEventBean(new object[1], _forge.indexEventType);
eventsLambda[_forge.streamNumLambda + 1] = indexEvent;
var props = indexEvent.Properties;
var beans = (ICollection<EventBean>) enumcoll;
if (enumcoll.Count == 1) {
var item = beans.First();
props[0] = 0;
eventsLambda[_forge.streamNumLambda] = item;
var pass = _innerExpression.Evaluate(eventsLambda, isNewData, context);
if (pass == null || false.Equals(pass)) {
return Collections.GetEmptyList<object>();
}
return Collections.SingletonList(item);
}
var all = EnumTakeWhileLastEventsForgeEval.TakeWhileLastEventBeanToArray(beans);
var result = new ArrayDeque<object>();
var index = 0;
for (var i = all.Length - 1; i >= 0; i--) {
props[0] = index++;
eventsLambda[_forge.streamNumLambda] = all[i];
var pass = _innerExpression.Evaluate(eventsLambda, isNewData, context);
if (pass == null || false.Equals(pass)) {
break;
}
result.AddFirst(all[i]);
}
return result;
}
public void TestAddFront()
{
var deque = new ArrayDeque <int>();
Assert.That(deque.Count, Is.EqualTo(0));
for (int ii = 1; ii <= 1000; ii++)
{
deque.AddFirst(ii);
Assert.That(deque.Count, Is.EqualTo(ii));
Assert.That(deque.First, Is.EqualTo(ii));
}
int index = 1000;
foreach (var value in deque)
{
Assert.That(value, Is.EqualTo(index--));
}
}
