public EPPreparedQueryResult Execute(
FAFQueryMethodSelect select,
ContextPartitionSelector[] contextPartitionSelectors,
FAFQueryMethodAssignerSetter assignerSetter,
ContextManagementService contextManagementService)
{
FireAndForgetProcessor processor = select.Processors[0];
FireAndForgetInstance processorInstance = processor.ProcessorInstanceNoContext;
ICollection<EventBean> events;
AgentInstanceContext agentInstanceContext = null;
if (processorInstance == null) {
events = EmptyList<EventBean>.Instance;
}
else {
agentInstanceContext = processorInstance.AgentInstanceContext;
events = Snapshot(select.ConsumerFilters[0], processorInstance, select.QueryGraph, select.Annotations);
}
// get RSP
ResultSetProcessor resultSetProcessor = ProcessorWithAssign(
select.ResultSetProcessorFactoryProvider,
agentInstanceContext,
assignerSetter,
select.TableAccesses,
select.Subselects);
if (select.WhereClause != null) {
events = Filtered(events, select.WhereClause, agentInstanceContext);
}
return ProcessedNonJoin(resultSetProcessor, events, select.DistinctKeyGetter);
}
public EPPreparedQueryResult Execute(
FAFQueryMethodSelect select,
ContextPartitionSelector[] contextPartitionSelectors,
FAFQueryMethodAssignerSetter assignerSetter,
ContextManagementService contextManagementService)
{
throw new UnsupportedOperationException("Context with join is not supported");
}
public EPPreparedQueryResult Execute(
FAFQueryMethodSelect select,
ContextPartitionSelector[] contextPartitionSelectors,
FAFQueryMethodAssignerSetter assignerSetter,
ContextManagementService contextManagementService)
{
var processor = select.Processors[0];
var singleSelector = contextPartitionSelectors != null && contextPartitionSelectors.Length > 0
? contextPartitionSelectors[0]
: null;
var agentInstanceIds = AgentInstanceIds(processor, singleSelector, contextManagementService);
IList<ContextPartitionResult> contextPartitionResults = new List<ContextPartitionResult>();
foreach (var agentInstanceId in agentInstanceIds) {
var processorInstance = processor.GetProcessorInstanceContextById(agentInstanceId);
if (processorInstance != null) {
var coll = processorInstance.SnapshotBestEffort(select.QueryGraph, select.Annotations);
contextPartitionResults.Add(
new ContextPartitionResult(coll, processorInstance.AgentInstanceContext));
}
}
// process context partitions
var events = new ArrayDeque<EventBean[]>();
ResultSetProcessor resultSetProcessor = null;
foreach (var contextPartitionResult in contextPartitionResults) {
if (resultSetProcessor == null) {
resultSetProcessor = ProcessorWithAssign(
select.ResultSetProcessorFactoryProvider,
contextPartitionResult.Context,
assignerSetter,
select.TableAccesses);
}
var snapshot = contextPartitionResult.Events;
if (select.WhereClause != null) {
snapshot = Filtered(
snapshot,
select.WhereClause,
contextPartitionResult.Context);
}
var rows = snapshot.ToArray();
resultSetProcessor.SetAgentInstanceContext(contextPartitionResult.Context);
var results = resultSetProcessor.ProcessViewResult(rows, null, true);
if (results != null && results.First != null && results.First.Length > 0) {
events.Add(results.First);
}
}
var distinct = EventBeanUtility.GetDistinctByProp(
EventBeanUtility.Flatten(events),
select.EventBeanReaderDistinct);
return new EPPreparedQueryResult(select.EventType, distinct);
}
public EPPreparedQueryResult Execute(
FAFQueryMethodSelect select,
ContextPartitionSelector[] contextPartitionSelectors,
FAFQueryMethodAssignerSetter assignerSetter,
ContextManagementService contextManagementService)
{
FireAndForgetProcessor processor = select.Processors[0];
ContextPartitionSelector singleSelector =
contextPartitionSelectors != null && contextPartitionSelectors.Length > 0
? contextPartitionSelectors[0]
: null;
ICollection<int> agentInstanceIds = AgentInstanceIds(processor, singleSelector, contextManagementService);
ICollection<EventBean> events = new ArrayDeque<EventBean>();
AgentInstanceContext agentInstanceContext = null;
foreach (int agentInstanceId in agentInstanceIds) {
FireAndForgetInstance processorInstance = processor.GetProcessorInstanceContextById(agentInstanceId);
if (processorInstance != null) {
agentInstanceContext = processorInstance.AgentInstanceContext;
ICollection<EventBean> coll = processorInstance.SnapshotBestEffort(
select.QueryGraph,
select.Annotations);
events.AddAll(coll);
}
}
// get RSP
ResultSetProcessor resultSetProcessor = ProcessorWithAssign(
select.ResultSetProcessorFactoryProvider,
agentInstanceContext,
assignerSetter,
select.TableAccesses,
select.Subselects);
if (select.WhereClause != null) {
events = Filtered(events, select.WhereClause, agentInstanceContext);
}
return ProcessedNonJoin(resultSetProcessor, events, select.DistinctKeyGetter);
}
public EPPreparedQueryResult Execute(
FAFQueryMethodSelect select,
ContextPartitionSelector[] contextPartitionSelectors,
FAFQueryMethodAssignerSetter assignerSetter,
ContextManagementService contextManagementService)
{
int numStreams = select.Processors.Length;
ICollection<EventBean>[] snapshots = new ICollection<EventBean>[numStreams];
AgentInstanceContext agentInstanceContext = null;
Viewable[] viewablePerStream = new Viewable[numStreams];
for (int i = 0; i < numStreams; i++) {
FireAndForgetProcessor processor = select.Processors[i];
FireAndForgetInstance processorInstance = processor.ProcessorInstanceNoContext;
snapshots[i] = Snapshot(
select.ConsumerFilters[i],
processorInstance,
select.QueryGraph,
select.Annotations);
agentInstanceContext = processorInstance.AgentInstanceContext;
viewablePerStream[i] = processorInstance.TailViewInstance;
}
// get RSP
ResultSetProcessor resultSetProcessor = ProcessorWithAssign(
select.ResultSetProcessorFactoryProvider,
agentInstanceContext,
assignerSetter,
select.TableAccesses,
select.Subselects);
// determine join
JoinSetComposerDesc joinSetComposerDesc = select.JoinSetComposerPrototype.Create(
viewablePerStream,
true,
agentInstanceContext,
false);
JoinSetComposer joinComposer = joinSetComposerDesc.JoinSetComposer;
EventBean[][] oldDataPerStream = new EventBean[numStreams][];
EventBean[][] newDataPerStream = new EventBean[numStreams][];
for (int i = 0; i < numStreams; i++) {
newDataPerStream[i] = snapshots[i].ToArray();
}
UniformPair<ISet<MultiKeyArrayOfKeys<EventBean>>> result = joinComposer.Join(
newDataPerStream,
oldDataPerStream,
agentInstanceContext);
if (joinSetComposerDesc.PostJoinFilterEvaluator != null) {
JoinSetComposerUtil.Filter(
joinSetComposerDesc.PostJoinFilterEvaluator,
result.First,
true,
agentInstanceContext);
}
UniformPair<EventBean[]> results = resultSetProcessor.ProcessJoinResult(result.First, null, true);
EventBean[] distinct = EventBeanUtility.GetDistinctByProp(results.First, select.DistinctKeyGetter);
return new EPPreparedQueryResult(resultSetProcessor.ResultEventType, distinct);
}