protected internal static ResultSetProcessor ProcessorWithAssign(
ResultSetProcessorFactoryProvider processorProvider,
AgentInstanceContext agentInstanceContext,
FAFQueryMethodAssignerSetter assignerSetter,
IDictionary<int, ExprTableEvalStrategyFactory> tableAccesses)
{
// start table-access
var tableAccessEvals = ExprTableEvalHelperStart.StartTableAccess(tableAccesses, agentInstanceContext);
// get RSP
var pair = StatementAgentInstanceFactoryUtil.StartResultSetAndAggregation(
processorProvider,
agentInstanceContext,
false,
null);
// assign
assignerSetter.Assign(
new StatementAIFactoryAssignmentsImpl(
pair.Second,
null,
null,
Collections.GetEmptyMap<int, SubSelectFactoryResult>(),
tableAccessEvals,
null));
return pair.First;
}
protected internal static ResultSetProcessor ProcessorWithAssign(
ResultSetProcessorFactoryProvider processorProvider,
AgentInstanceContext agentInstanceContext,
FAFQueryMethodAssignerSetter assignerSetter,
IDictionary<int, ExprTableEvalStrategyFactory> tableAccesses,
IDictionary<int, SubSelectFactory> subselects)
{
// start table-access
var tableAccessEvals = ExprTableEvalHelperStart.StartTableAccess(tableAccesses, agentInstanceContext);
// get RSP
var pair = StatementAgentInstanceFactoryUtil.StartResultSetAndAggregation(
processorProvider,
agentInstanceContext,
false,
null);
// start subselects
var subselectStopCallbacks = new List<AgentInstanceMgmtCallback>(2);
IDictionary<int, SubSelectFactoryResult> subselectActivations = SubSelectHelperStart.StartSubselects(
subselects, agentInstanceContext, subselectStopCallbacks, false);
// assign
assignerSetter.Assign(
new StatementAIFactoryAssignmentsImpl(
pair.Second,
null,
null,
subselectActivations,
tableAccessEvals,
null));
return pair.First;
}
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);
}
private EPFireAndForgetQueryResult ExecuteInternal(ContextPartitionSelector[] contextPartitionSelectors)
{
try {
FAFQueryMethodAssignerSetter setter = queryMethodProvider.SubstitutionFieldSetter;
var result = queryMethod.Execute(
serviceStatusProvider, setter, contextPartitionSelectors, epServicesContext.ContextManagementService);
return new EPQueryResultImpl(result);
}
catch (Exception ex) {
throw new EPException(ex.Message, ex);
}
}
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 EPFireAndForgetPreparedQueryParameterizedImpl(
AtomicBoolean serviceProviderStatus,
FAFQueryMethodAssignerSetter fields,
FAFQueryMethod queryMethod,
FAFQueryInformationals queryInformationals)
{
ServiceProviderStatus = serviceProviderStatus;
Fields = fields;
QueryMethod = queryMethod;
types = queryInformationals.SubstitutionParamsTypes;
Names = queryInformationals.SubstitutionParamsNames;
if (types != null && types.Length > 0) {
UnsatisfiedParamsOneOffset = new LinkedHashSet<int>();
for (var i = 0; i < types.Length; i++) {
UnsatisfiedParamsOneOffset.Add(i + 1);
}
}
else {
UnsatisfiedParamsOneOffset = new EmptySet<int>();
}
}
public EPPreparedQueryResult Execute(
AtomicBoolean serviceStatusProvider,
FAFQueryMethodAssignerSetter assignerSetter,
ContextPartitionSelector[] contextPartitionSelectors,
ContextManagementService contextManagementService)
{
if (!serviceStatusProvider.Get()) {
throw FAFQueryMethodUtil.RuntimeDestroyed();
}
if (contextPartitionSelectors != null && contextPartitionSelectors.Length != Processors.Length) {
throw new ArgumentException(
"The number of context partition selectors does not match the number of named windows or tables in the from-clause");
}
try {
return SelectExec.Execute(this, contextPartitionSelectors, assignerSetter, contextManagementService);
}
finally {
if (HasTableAccess) {
Processors[0].StatementContext.TableExprEvaluatorContext.ReleaseAcquiredLocks();
}
}
}
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);
}
