Package com.espertech.esper.filter

Examples of com.espertech.esper.filter.FilterSpecCompiled

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     */
    public void registerAdapter(EPServiceProvider epService)
    {
        EPServiceProviderSPI spi = (EPServiceProviderSPI) epService;
        EventType eventType = spi.getEventAdapterService().getExistsTypeByName(eventTypeName);
        FilterValueSet fvs = new FilterSpecCompiled(eventType, null, new LinkedList<FilterSpecParam>(), null).getValueSet(null, null, null);

        String name = "subscription:" + subscriptionName;
        StatementMetricHandle metricsHandle = spi.getMetricReportingService().getStatementHandle(name, name);
        EPStatementHandle statementHandle = new EPStatementHandle(name, name, name, name, false, metricsHandle, 0, false);
        EPStatementAgentInstanceHandle agentHandle = new EPStatementAgentInstanceHandle(statementHandle, new StatementAgentInstanceRWLockImpl(name, false), -1, new StatementAgentInstanceFilterVersion());
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                                preload = false;
                            }
                        }
                        if (preload) {
                            final boolean yesRecoveringResilient = isRecoveringResilient;
                            final FilterSpecCompiled preloadFilterSpec = namedWindowPostloadFilters[i];
                            preloadList.add(new StatementAgentInstancePreload() {
                                public void executePreload() {
                                    Collection<EventBean> snapshot = consumerView.snapshotNoLock(preloadFilterSpec, statementContext.getAnnotations());
                                    List<EventBean> eventsInWindow = new ArrayList<EventBean>(snapshot.size());
                                    ExprNodeUtility.applyFilterExpressionsIterable(snapshot, namedSpec.getFilterExpressions(), agentInstanceContext, eventsInWindow);
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        }
        // there are multiple driving streams, verify the presence of a view for insert/remove stream

        // validation of join views works differently for unidirectional as there can be self-joins that don't require a view
        // see if this is a self-join in which all streams are filters and filter specification is the same.
        FilterSpecCompiled unidirectionalFilterSpec = null;
        FilterSpecCompiled lastFilterSpec = null;
        boolean pureSelfJoin = true;
        for (StreamSpecCompiled streamSpec : statementSpec.getStreamSpecs())
        {
            if (!(streamSpec instanceof FilterStreamSpecCompiled))
            {
                pureSelfJoin = false;
                continue;
            }

            FilterSpecCompiled filterSpec = ((FilterStreamSpecCompiled) streamSpec).getFilterSpec();
            if ((lastFilterSpec != null) && (!lastFilterSpec.equalsTypeAndFilter(filterSpec)))
            {
                pureSelfJoin = false;
            }
            if (!streamSpec.getViewSpecs().isEmpty())
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                    targetType = statementContext.getEventAdapterService().addWrapperType(typeName, selectFromType, addOnTypes, true, false);
                }
            }
        }

        FilterSpecCompiled filter = new FilterSpecCompiled(targetType, typeName, new ArrayList<FilterSpecParam>(), null);
        return new Pair<FilterSpecCompiled, SelectClauseSpecRaw>(filter, newSelectClauseSpecRaw);
    }
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Related Classes of com.espertech.esper.filter.FilterSpecCompiled

  • com.espertech.esper.adapter.BaseSubscription
  • com.espertech.esper.core.context.factory.StatementAgentInstanceFactorySelect
  • com.espertech.esper.core.context.subselect.SubSelectStrategyFactoryLocalViewPreloaded
  • com.espertech.esper.core.EPStatementStartMethod
  • com.espertech.esper.core.service.StatementLifecycleSvcImpl
  • com.espertech.esper.core.start.EPPreparedExecuteSingleStream
  • com.espertech.esper.core.start.EPStatementStartMethodSelect
  • com.espertech.esper.core.start.EPStatementStartMethodSelectUtil
  • com.espertech.esper.core.StatementLifecycleSvcImpl
  • com.espertech.esper.dataflow.ops.EventBusSource
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