public ContextControllerConditionPattern(EPServicesContext servicesContext, AgentInstanceContext agentInstanceContext, ContextDetailConditionPattern endpointPatternSpec, ContextControllerConditionCallback callback, ContextInternalFilterAddendum filterAddendum, bool startEndpoint, ContextStatePathKey contextStatePathKey)
{
_servicesContext = servicesContext;
_agentInstanceContext = agentInstanceContext;
_endpointPatternSpec = endpointPatternSpec;
_callback = callback;
_filterAddendum = filterAddendum;
_isStartEndpoint = startEndpoint;
_contextStatePathKey = contextStatePathKey;
}
private Pair <MatchEventSpec, ISet <string> > ValidatePatternContextConditionPattern(
StatementContext statementContext,
ContextDetailConditionPattern pattern,
ISet <string> eventTypesReferenced,
MatchEventSpec priorMatches,
ISet <string> priorAllTags)
{
var raw = new PatternStreamSpecRaw(pattern.PatternRaw, ViewSpec.EMPTY_VIEWSPEC_ARRAY, null, new StreamSpecOptions(), false, false);
var compiled = raw.Compile(statementContext, eventTypesReferenced, false, Collections.GetEmptyList <int>(), priorMatches, priorAllTags, false, true, false);
pattern.PatternCompiled = compiled;
return(new Pair <MatchEventSpec, ISet <string> >(new MatchEventSpec(compiled.TaggedEventTypes, compiled.ArrayEventTypes), compiled.AllTags));
}
private ContextDetailMatchPair ValidateRewriteContextCondition(
EPServicesContext servicesContext,
StatementContext statementContext,
ContextDetailCondition endpoint,
ISet <string> eventTypesReferenced,
MatchEventSpec priorMatches,
ISet <string> priorAllTags)
{
if (endpoint is ContextDetailConditionCrontab)
{
var crontab = (ContextDetailConditionCrontab)endpoint;
var schedule = ExprNodeUtility.ToCrontabSchedule(ExprNodeOrigin.CONTEXTCONDITION, crontab.Crontab, statementContext, false);
crontab.Schedule = schedule;
return(new ContextDetailMatchPair(crontab, new MatchEventSpec(), new LinkedHashSet <string>()));
}
if (endpoint is ContextDetailConditionTimePeriod)
{
var timePeriod = (ContextDetailConditionTimePeriod)endpoint;
var validationContext =
new ExprValidationContext(
new StreamTypeServiceImpl(servicesContext.EngineURI, false),
statementContext.EngineImportService,
statementContext.StatementExtensionServicesContext, null,
statementContext.SchedulingService,
statementContext.VariableService, statementContext.TableService,
GetDefaultAgentInstanceContext(statementContext), statementContext.EventAdapterService,
statementContext.StatementName, statementContext.StatementId, statementContext.Annotations,
statementContext.ContextDescriptor, statementContext.ScriptingService, false, false, false, false,
null, false);
ExprNodeUtility.GetValidatedSubtree(ExprNodeOrigin.CONTEXTCONDITION, timePeriod.TimePeriod, validationContext);
if (timePeriod.TimePeriod.IsConstantResult)
{
if (timePeriod.TimePeriod.EvaluateAsSeconds(null, true, null) < 0)
{
throw new ExprValidationException("Invalid negative time period expression '" + ExprNodeUtility.ToExpressionStringMinPrecedenceSafe(timePeriod.TimePeriod) + "'");
}
}
return(new ContextDetailMatchPair(timePeriod, new MatchEventSpec(), new LinkedHashSet <string>()));
}
if (endpoint is ContextDetailConditionPattern)
{
var pattern = (ContextDetailConditionPattern)endpoint;
var matches = ValidatePatternContextConditionPattern(statementContext, pattern, eventTypesReferenced, priorMatches, priorAllTags);
return(new ContextDetailMatchPair(pattern, matches.First, matches.Second));
}
if (endpoint is ContextDetailConditionFilter)
{
var filter = (ContextDetailConditionFilter)endpoint;
ValidateNotTable(servicesContext, filter.FilterSpecRaw.EventTypeName);
// compile as filter if there are no prior match to consider
if (priorMatches == null || (priorMatches.ArrayEventTypes.IsEmpty() && priorMatches.TaggedEventTypes.IsEmpty()))
{
var rawExpr = new FilterStreamSpecRaw(filter.FilterSpecRaw, ViewSpec.EMPTY_VIEWSPEC_ARRAY, null, new StreamSpecOptions());
var compiled = (FilterStreamSpecCompiled)rawExpr.Compile(statementContext, eventTypesReferenced, false, Collections.GetEmptyList <int>(), false, true, false, filter.OptionalFilterAsName);
filter.FilterSpecCompiled = compiled.FilterSpec;
var matchEventSpec = new MatchEventSpec();
var filterForType = compiled.FilterSpec.FilterForEventType;
var allTags = new LinkedHashSet <string>();
if (filter.OptionalFilterAsName != null)
{
matchEventSpec.TaggedEventTypes.Put(filter.OptionalFilterAsName, new Pair <EventType, string>(filterForType, rawExpr.RawFilterSpec.EventTypeName));
allTags.Add(filter.OptionalFilterAsName);
}
return(new ContextDetailMatchPair(filter, matchEventSpec, allTags));
}
// compile as pattern if there are prior matches to consider, since this is a type of followed-by relationship
var factoryNode = servicesContext.PatternNodeFactory.MakeFilterNode(filter.FilterSpecRaw, filter.OptionalFilterAsName, 0);
var pattern = new ContextDetailConditionPattern(factoryNode, true, false);
var matches = ValidatePatternContextConditionPattern(statementContext, pattern, eventTypesReferenced, priorMatches, priorAllTags);
return(new ContextDetailMatchPair(pattern, matches.First, matches.Second));
}
else if (endpoint is ContextDetailConditionImmediate)
{
return(new ContextDetailMatchPair(endpoint, new MatchEventSpec(), new LinkedHashSet <string>()));
}
else
{
throw new IllegalStateException("Unrecognized endpoint type " + endpoint);
}
}
