private ContextControllerConditionNonHA ActivateTermination(
EventBean triggeringEvent,
object[] parentPartitionKeys,
object partitionKey,
IntSeqKey conditionPath,
string optionalInitCondAsName)
{
ContextControllerConditionCallback callback = new ProxyContextControllerConditionCallback(
(
conditionPathArg,
originEndpoint,
optionalTriggeringEvent,
optionalTriggeringPattern,
optionalTriggeringEventPattern,
optionalPatternForInclusiveEval) => {
var parentPath = conditionPathArg.RemoveFromEnd();
var getterKey = factory.GetGetterKey(partitionKey);
var removed = keyedSvc.KeyRemove(parentPath, getterKey);
if (removed == null) {
return;
}
// remember the terminating event, we don't want it to initiate a new partition
lastTerminatingEvent = optionalTriggeringEvent != null
? optionalTriggeringEvent
: optionalTriggeringEventPattern;
realization.ContextPartitionTerminate(
conditionPathArg.RemoveFromEnd(),
removed.SubpathOrCPId,
this,
null,
false,
null);
removed.TerminationCondition.Deactivate();
});
var partitionKeys = CollectionUtil.AddValue(parentPartitionKeys, partitionKey);
var terminationCondition = ContextControllerConditionFactory.GetEndpoint(
conditionPath,
partitionKeys,
factory.keyedSpec.OptionalTermination,
callback,
this,
false);
ContextControllerEndConditionMatchEventProvider endConditionMatchEventProvider = null;
if (optionalInitCondAsName != null) {
endConditionMatchEventProvider = new ProxyContextControllerEndConditionMatchEventProvider {
ProcPopulateEndConditionFromTrigger = (
map,
triggeringEventArg) => {
ContextControllerKeyedUtil.PopulatePriorMatch(optionalInitCondAsName, map, triggeringEventArg);
}
};
}
terminationCondition.Activate(triggeringEvent, endConditionMatchEventProvider);
return terminationCondition;
}
private static void AddNotYetNavigated(
int streamNo,
int numStreams,
LinkedHashMap <int, int[]> substreamsPerStream,
NStreamQueryPlanBuilder.BestChainResult bestChain)
{
// sum up all substreams (the query plan for each stream: nested iteration or cardinal)
ISet <int> streams = new HashSet <int>();
streams.Add(streamNo);
RecursiveAdd(streamNo, streamNo, substreamsPerStream, streams, false);
// we are done, all have navigated
if (streams.Count == numStreams)
{
return;
}
var previous = streamNo;
foreach (var stream in bestChain.Chain)
{
if (streams.Contains(stream))
{
previous = stream;
continue;
}
// add node as a nested join to the previous stream
var substreams = substreamsPerStream.Get(previous);
if (substreams == null)
{
substreams = new int[0];
}
var added = CollectionUtil.AddValue(substreams, stream);
substreamsPerStream.Put(previous, added);
if (!substreamsPerStream.ContainsKey(stream))
{
substreamsPerStream.Put(stream, new int[0]);
}
previous = stream;
}
}
public ContextPartitionInstantiationResult ContextPartitionInstantiate(
IntSeqKey controllerPathId,
int subpathId,
ContextController originator,
EventBean optionalTriggeringEvent,
IDictionary<string, object> optionalPatternForInclusiveEval,
object[] parentPartitionKeys,
object partitionKey)
{
// detect non-leaf
var controllerEnv = originator.Factory.FactoryEnv;
if (controllerPathId.Length != controllerEnv.NestingLevel - 1) {
throw new IllegalStateException("Unexpected controller path");
}
if (parentPartitionKeys.Length != controllerEnv.NestingLevel - 1) {
throw new IllegalStateException("Unexpected partition key size");
}
var nestingLevel = controllerEnv.NestingLevel; // starts at 1 for root
if (nestingLevel < ContextControllers.Length) {
// next sub-sontext
var nextContext = ContextControllers[nestingLevel];
// add a partition key
var nestedPartitionKeys = AddPartitionKey(nestingLevel, parentPartitionKeys, partitionKey);
// now post-initialize, this may actually call back
var childPath = controllerPathId.AddToEnd(subpathId);
nextContext.Activate(
childPath,
nestedPartitionKeys,
optionalTriggeringEvent,
optionalPatternForInclusiveEval);
return new ContextPartitionInstantiationResult(subpathId, Collections.GetEmptyList<AgentInstance>());
}
// assign context id
var allPartitionKeys = CollectionUtil.AddValue(parentPartitionKeys, partitionKey);
var assignedContextId = ContextManager.ContextPartitionIdService.AllocateId(allPartitionKeys);
// build built-in context properties
var contextBean = ContextManagerUtil.BuildContextProperties(
assignedContextId,
allPartitionKeys,
ContextManager.ContextDefinition,
AgentInstanceContextCreate.StatementContext);
// handle leaf creation
IList<AgentInstance> startedInstances = new List<AgentInstance>(2);
foreach (var statementEntry in ContextManager.Statements) {
var statementDesc = statementEntry.Value;
Supplier<IDictionary<FilterSpecActivatable, FilterValueSetParam[][]>> generator = () =>
ContextManagerUtil.ComputeAddendumForStatement(
statementDesc,
ContextManager.Statements,
ContextManager.ContextDefinition.ControllerFactories,
allPartitionKeys,
AgentInstanceContextCreate);
AgentInstanceFilterProxy proxy = new AgentInstanceFilterProxyImpl(generator);
var agentInstance = AgentInstanceUtil.StartStatement(
ContextManager.StatementContextCreate.StatementContextRuntimeServices,
assignedContextId,
statementDesc,
contextBean,
proxy);
startedInstances.Add(agentInstance);
}
// for all new contexts: evaluate this event for this statement
if (optionalTriggeringEvent != null || optionalPatternForInclusiveEval != null) {
// comment-in: log.info("Thread " + Thread.currentThread().getId() + " event " + optionalTriggeringEvent.getUnderlying() + " evaluateEventForStatement assignedContextId=" + assignedContextId);
AgentInstanceUtil.EvaluateEventForStatement(
optionalTriggeringEvent,
optionalPatternForInclusiveEval,
startedInstances,
AgentInstanceContextCreate);
}
if (ContextManager.ListenersMayNull != null) {
var identifier = ContextManager.GetContextPartitionIdentifier(allPartitionKeys);
ContextStateEventUtil.DispatchPartition(
ContextManager.ListenersMayNull,
() => new ContextStateEventContextPartitionAllocated(
AgentInstanceContextCreate.RuntimeURI,
ContextManager.ContextRuntimeDescriptor.ContextDeploymentId,
ContextManager.ContextDefinition.ContextName,
assignedContextId,
identifier),
(
listener,
context) => listener.OnContextPartitionAllocated(context));
}
return new ContextPartitionInstantiationResult(assignedContextId, startedInstances);
}