public void Run()
{
long currentThreadId = Thread.CurrentThread.ManagedThreadId;
// Choose one of filter specifications, randomly, then reserve to make sure no one else has the same
FilterSpecCompiled filterSpec = null;
EventBean unmatchedEvent = null;
EventBean matchedEvent = null;
var index = 0;
do
{
index = Random.Next(_testFilterSpecs.Count);
filterSpec = _testFilterSpecs[index];
unmatchedEvent = _unmatchedEvents[index];
matchedEvent = _matchedEvents[index];
}while(!ObjectReservationSingleton.Instance.Reserve(filterSpec));
// Add expression
var filterValues = filterSpec.GetValueSet(null, null, null);
FilterHandle filterCallback = new SupportFilterHandle();
var pathAddedTo = IndexTreeBuilder.Add(filterValues, filterCallback, _topNode, _lockFactory);
// Fire a no-match
IList <FilterHandle> matches = new List <FilterHandle>();
_topNode.MatchEvent(unmatchedEvent, matches);
if (matches.Count != 0)
{
Log.Fatal(".run (" + currentThreadId + ") Got a match but expected no-match, matchCount=" + matches.Count + " bean=" + unmatchedEvent +
" match=" + matches[0].GetHashCode());
Assert.IsFalse(true);
}
// Fire a match
_topNode.MatchEvent(matchedEvent, matches);
if (matches.Count != 1)
{
Log.Fatal(".run (" + currentThreadId + ") Got zero or two or more match but expected a match, count=" + matches.Count +
" bean=" + matchedEvent);
Assert.IsFalse(true);
}
// Remove the same expression again
IndexTreeBuilder.Remove(_eventType, filterCallback, pathAddedTo[0].ToArray(), _topNode);
Log.Debug(".run (" + Thread.CurrentThread.ManagedThreadId + ")" + " Completed");
ObjectReservationSingleton.Instance.Unreserve(filterSpec);
}
public ViewableActivationResult Activate(AgentInstanceContext agentInstanceContext, bool isSubselect, bool isRecoveringResilient)
{
// New event stream
EventType resultEventType = _filterSpec.ResultEventType;
EventStream zeroDepthStream = _isCanIterate ?
(EventStream) new ZeroDepthStreamIterable(resultEventType) :
(EventStream) new ZeroDepthStreamNoIterate(resultEventType);
// audit proxy
var inputStream = EventStreamProxy.GetAuditProxy(agentInstanceContext.StatementContext.EngineURI, agentInstanceContext.EpStatementAgentInstanceHandle.StatementHandle.StatementName, _annotations, _filterSpec, zeroDepthStream);
var eventStream = inputStream;
var statementId = agentInstanceContext.StatementContext.StatementId;
var filterCallback = new ProxyFilterHandleCallback
{
ProcStatementId = () => statementId,
ProcIsSubselect = () => _isSubSelect
};
if (_filterSpec.OptionalPropertyEvaluator != null)
{
filterCallback.ProcMatchFound = (theEvent, allStmtMatches) =>
{
var result = _filterSpec.OptionalPropertyEvaluator.GetProperty(theEvent, agentInstanceContext);
if (result != null)
{
eventStream.Insert(result);
}
};
}
else
{
filterCallback.ProcMatchFound = (theEvent, allStmtMatches) =>
{
if (InstrumentationHelper.ENABLED)
{
_instrumentationAgent.IndicateQ();
}
eventStream.Insert(theEvent);
if (InstrumentationHelper.ENABLED)
{
_instrumentationAgent.IndicateA();
}
};
}
var filterHandle = new EPStatementHandleCallback(agentInstanceContext.EpStatementAgentInstanceHandle, filterCallback);
FilterValueSetParam[][] addendum = null;
if (agentInstanceContext.AgentInstanceFilterProxy != null)
{
addendum = agentInstanceContext.AgentInstanceFilterProxy.GetAddendumFilters(_filterSpec);
}
var filterValueSet = _filterSpec.GetValueSet(null, agentInstanceContext, addendum);
var filterServiceEntry = _services.FilterService.Add(filterValueSet, filterHandle);
var stopCallback = new ViewableActivatorFilterProxyStopCallback(this, filterHandle, filterServiceEntry);
return(new ViewableActivationResult(inputStream, stopCallback, null, null, null, false, false, null));
}
/// <summary>
/// See the method of the same name in <seealso cref="com.espertech.esper.view.stream.StreamFactoryService" />.
/// Always attempts to reuse an existing event stream. May thus return a new event stream or an existing event
/// stream depending on whether filter criteria match.
/// </summary>
/// <param name="statementId">the statement id</param>
/// <param name="filterSpec">is the filter definition</param>
/// <param name="filterService">filter service to activate filter if not already active</param>
/// <param name="epStatementAgentInstanceHandle">is the statement resource lock</param>
/// <param name="isJoin">is indicatng whether the stream will participate in a join statement, information necessary for stream reuse and multithreading concerns</param>
/// <param name="agentInstanceContext"></param>
/// <param name="hasOrderBy">if the consumer has order-by</param>
/// <param name="filterWithSameTypeSubselect">if set to <c>true</c> [filter with same type subselect].</param>
/// <param name="annotations">The annotations.</param>
/// <param name="stateless">if set to <c>true</c> [stateless].</param>
/// <param name="streamNum">The stream num.</param>
/// <param name="isCanIterateUnbound">if set to <c>true</c> [is can iterate unbound].</param>
/// <returns>
/// newly createdStatement event stream, not reusing existing instances
/// </returns>
/// <exception cref="IllegalStateException">Filter spec object already found in collection</exception>
public Pair <EventStream, IReaderWriterLock> CreateStream(
int statementId,
FilterSpecCompiled filterSpec,
FilterService filterService,
EPStatementAgentInstanceHandle epStatementAgentInstanceHandle,
bool isJoin,
AgentInstanceContext agentInstanceContext,
bool hasOrderBy,
bool filterWithSameTypeSubselect,
Attribute[] annotations,
bool stateless,
int streamNum,
bool isCanIterateUnbound)
{
EventStream eventStream;
if (Log.IsDebugEnabled)
{
Log.Debug(".createStream hashCode=" + filterSpec.GetHashCode() + " filter=" + filterSpec);
}
// Check if a stream for this filter already exists
StreamEntry entry;
var forceNewStream = isJoin || (!_isReuseViews) || hasOrderBy || filterWithSameTypeSubselect || stateless;
if (forceNewStream)
{
entry = _eventStreamsIdentity.Get(filterSpec);
}
else
{
entry = _eventStreamsRefCounted[filterSpec];
}
// If pair exists, either reference count or illegal state
if (entry != null)
{
if (forceNewStream)
{
throw new IllegalStateException("Filter spec object already found in collection");
}
else
{
Log.Debug(".createStream filter already found");
_eventStreamsRefCounted.Reference(filterSpec);
// audit proxy
eventStream = EventStreamProxy.GetAuditProxy(
_engineURI, epStatementAgentInstanceHandle.StatementHandle.StatementName, annotations,
filterSpec, entry.EventStream);
// We return the lock of the statement first establishing the stream to use that as the new statement's lock
return(new Pair <EventStream, IReaderWriterLock>(
eventStream, entry.Callback.AgentInstanceHandle.StatementAgentInstanceLock));
}
}
// New event stream
var resultEventType = filterSpec.ResultEventType;
var zeroDepthStream = isCanIterateUnbound
? (EventStream) new ZeroDepthStreamIterable(resultEventType)
: (EventStream) new ZeroDepthStreamNoIterate(resultEventType);
// audit proxy
var inputStream = EventStreamProxy.GetAuditProxy(
_engineURI, epStatementAgentInstanceHandle.StatementHandle.StatementName, annotations, filterSpec,
zeroDepthStream);
eventStream = inputStream;
FilterHandleCallback filterCallback;
if (filterSpec.OptionalPropertyEvaluator != null)
{
filterCallback = new ProxyFilterHandleCallback()
{
ProcStatementId = () => statementId,
ProcMatchFound = (theEvent, allStmtMatches) =>
{
var result = filterSpec.OptionalPropertyEvaluator.GetProperty(theEvent, agentInstanceContext);
if (result != null)
{
eventStream.Insert(result);
}
},
ProcIsSubselect = () => false
};
}
else
{
filterCallback = new ProxyFilterHandleCallback()
{
ProcStatementId = () => statementId,
ProcMatchFound = (theEvent, allStmtMatches) =>
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QFilterActivationStream(theEvent.EventType.Name, streamNum);
}
eventStream.Insert(theEvent);
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AFilterActivationStream();
}
},
ProcIsSubselect = () => false
};
}
var handle = new EPStatementHandleCallback(epStatementAgentInstanceHandle, filterCallback);
// Store stream for reuse
entry = new StreamEntry(eventStream, handle);
if (forceNewStream)
{
_eventStreamsIdentity.Put(filterSpec, entry);
}
else
{
_eventStreamsRefCounted[filterSpec] = entry;
}
// Activate filter
var filterValues = filterSpec.GetValueSet(null, agentInstanceContext, null);
var filterServiceEntry = filterService.Add(filterValues, handle);
entry.FilterServiceEntry = filterServiceEntry;
return(new Pair <EventStream, IReaderWriterLock>(inputStream, null));
}
public void Run()
{
long currentThreadId = Thread.CurrentThread.ManagedThreadId;
// Choose one of filter specifications, randomly, then reserve to make sure no one else has the same
FilterSpecCompiled filterSpec = null;
EventBean unmatchedEvent = null;
EventBean matchedEvent = null;
var index = 0;
do
{
//index = (int) (atomic.IncrementAndGet() % _testFilterSpecs.Count);
index = Random.Next(_testFilterSpecs.Count);
filterSpec = _testFilterSpecs[index];
unmatchedEvent = _unmatchedEvents[index];
matchedEvent = _matchedEvents[index];
}while(!ObjectReservationSingleton.Instance.Reserve(filterSpec));
#if DEBUG && DIAGNOSTIC
Log.Info("Reserved: {0} = {1}", index, filterSpec);
#endif
// Add expression
var filterValues = filterSpec.GetValueSet(null, null, null);
var filterCallback = new SupportFilterHandle();
#if DEBUG && DIAGNOSTIC
Log.Info("TestMultithreaded: {0}", filterValues);
#endif
var pathAddedTo = IndexTreeBuilder.Add(filterValues, filterCallback, _topNode, _lockFactory);
// Fire a no-match
IList <FilterHandle> matches = new List <FilterHandle>();
_topNode.MatchEvent(unmatchedEvent, matches);
if (matches.Count != 0)
{
Log.Fatal(".Run (" + currentThreadId + ") Got a match but expected no-match, matchCount=" + matches.Count + " bean=" + unmatchedEvent +
" match=" + matches[0].GetHashCode());
Assert.IsFalse(true);
}
// Fire a match
_topNode.MatchEvent(matchedEvent, matches);
if (matches.Count != 1)
{
Log.Fatal(".Run (" + currentThreadId + ") Got zero or two or more match but expected a match, count=" + matches.Count +
" bean=" + matchedEvent);
foreach (var entry in LoggerNLog.MemoryTarget.Logs)
{
System.Diagnostics.Debug.WriteLine(entry);
}
Assert.IsFalse(true);
}
// Remove the same expression again
IndexTreeBuilder.Remove(_eventType, filterCallback, pathAddedTo[0].ToArray(), _topNode);
ObjectReservationSingleton.Instance.Unreserve(filterSpec);
}
public void SetCompiledFilter(FilterSpecCompiled filterSpec, AgentInstanceContext agentInstanceContext)
{
CompiledFilterParam = filterSpec.GetValueSet(null, agentInstanceContext, null).Parameters;
}