public static FilterValueSetParam[][] GetAddendumFilters(
FilterSpecCompiled filterSpecCompiled,
int hashCode,
ContextDetailHash hashSpec,
ContextControllerStatementDesc statementDesc)
{
// determine whether create-named-window
var isCreateWindow = statementDesc != null && statementDesc.Statement.StatementSpec.CreateWindowDesc != null;
ContextDetailHashItem foundPartition = null;
if (!isCreateWindow)
{
foundPartition = FindHashItemSpec(hashSpec, filterSpecCompiled);
}
else
{
string declaredAsName = statementDesc.Statement.StatementSpec.CreateWindowDesc.AsEventTypeName;
foreach (var partitionItem in hashSpec.Items)
{
if (partitionItem.FilterSpecCompiled.FilterForEventType.Name.Equals(declaredAsName))
{
foundPartition = partitionItem;
break;
}
}
}
if (foundPartition == null)
{
return(null);
}
var filter = new FilterValueSetParamImpl(foundPartition.Lookupable, FilterOperator.EQUAL, hashCode);
var addendum = new FilterValueSetParam[1][];
addendum[0] = new FilterValueSetParam[]
{
filter
};
var partitionFilters = foundPartition.ParametersCompiled;
if (partitionFilters != null)
{
addendum = ContextControllerAddendumUtil.AddAddendum(partitionFilters, filter);
}
return(addendum);
}
public static ContextDetailHashItem FindHashItemSpec(ContextDetailHash hashSpec, FilterSpecCompiled filterSpec)
{
ContextDetailHashItem foundPartition = null;
foreach (var partitionItem in hashSpec.Items)
{
var typeOrSubtype = EventTypeUtility.IsTypeOrSubTypeOf(filterSpec.FilterForEventType, partitionItem.FilterSpecCompiled.FilterForEventType);
if (typeOrSubtype)
{
foundPartition = partitionItem;
}
}
return(foundPartition);
}
public ContextControllerHashedFilterCallback(
EPServicesContext servicesContext,
AgentInstanceContext agentInstanceContextCreateContext,
ContextDetailHashItem hashItem,
ContextControllerHashedInstanceCallback callback,
ContextInternalFilterAddendum filterAddendum)
{
_agentInstanceContextCreateContext = agentInstanceContextCreateContext;
_callback = callback;
_getter = hashItem.Lookupable.Getter;
_filterHandle = new EPStatementHandleCallback(agentInstanceContextCreateContext.EpStatementAgentInstanceHandle, this);
FilterValueSetParam[][] addendum = filterAddendum != null?filterAddendum.GetFilterAddendum(hashItem.FilterSpecCompiled) : null;
FilterValueSet filterValueSet = hashItem.FilterSpecCompiled.GetValueSet(null, null, addendum);
_filterServiceEntry = servicesContext.FilterService.Add(filterValueSet, _filterHandle);
long filtersVersion = servicesContext.FilterService.FiltersVersion;
agentInstanceContextCreateContext.EpStatementAgentInstanceHandle.StatementFilterVersion.StmtFilterVersion = filtersVersion;
}
// Compare filters in statement with filters in segmented context, addendum filter compilation
/// <summary>
/// Gets the addendum filters.
/// </summary>
/// <param name="addendums">The addendums.</param>
/// <param name="agentInstanceId">The agent instance identifier.</param>
/// <param name="filtersSpecs">The filters specs.</param>
/// <param name="hashSpec">The hash spec.</param>
/// <param name="statementDesc">The statement desc.</param>
private static void GetAddendumFilters(
IDictionary <FilterSpecCompiled, FilterValueSetParam[][]> addendums,
int agentInstanceId,
IList <FilterSpecCompiled> filtersSpecs,
ContextDetailHash hashSpec,
ContextControllerStatementDesc statementDesc)
{
// determine whether create-named-window
var isCreateWindow = statementDesc != null && statementDesc.Statement.StatementSpec.CreateWindowDesc != null;
if (!isCreateWindow)
{
foreach (var filtersSpec in filtersSpecs)
{
var foundPartition = FindHashItemSpec(hashSpec, filtersSpec);
if (foundPartition == null)
{
continue;
}
FilterValueSetParam filter = new FilterValueSetParamImpl(foundPartition.Lookupable, FilterOperator.EQUAL, agentInstanceId);
var addendum = new FilterValueSetParam[1][];
addendum[0] = new FilterValueSetParam[] { filter };
var partitionFilters = foundPartition.ParametersCompiled;
if (partitionFilters != null)
{
addendum = ContextControllerAddendumUtil.AddAddendum(partitionFilters, filter);
}
FilterValueSetParam[][] existing = addendums.Get(filtersSpec);
if (existing != null)
{
addendum = ContextControllerAddendumUtil.MultiplyAddendum(existing, addendum);
}
addendums[filtersSpec] = addendum;
}
}
// handle segmented context for create-window
else
{
var declaredAsName = statementDesc.Statement.StatementSpec.CreateWindowDesc.AsEventTypeName;
if (declaredAsName != null)
{
foreach (var filterSpec in filtersSpecs)
{
ContextDetailHashItem foundPartition = null;
foreach (var partitionItem in hashSpec.Items)
{
if (partitionItem.FilterSpecCompiled.FilterForEventType.Name.Equals(declaredAsName))
{
foundPartition = partitionItem;
break;
}
}
if (foundPartition == null)
{
continue;
}
FilterValueSetParam filter = new FilterValueSetParamImpl(foundPartition.Lookupable, FilterOperator.EQUAL, agentInstanceId);
var addendum = new FilterValueSetParam[1][];
addendum[0] = new FilterValueSetParam[] { filter };
var existing = addendums.Get(filterSpec);
if (existing != null)
{
addendum = ContextControllerAddendumUtil.MultiplyAddendum(existing, addendum);
}
addendums[filterSpec] = addendum;
}
}
}
}
