Examples of com.espertech.esper.filter.FilterSpecCompiled

com.espertech.esper.filter.FilterSpecCompiled
Contains the filter criteria to sift through events. The filter criteria are the event class to look for and a set of parameters (attribute names, operators and constant/range values).

            }


            StreamTypeService streamTypeService = new StreamTypeServiceImpl(filterTypes, context.getEngineURI(), true, false);
            List<ExprNode> exprNodes = filterNode.getRawFilterSpec().getFilterExpressions();


            FilterSpecCompiled spec = FilterSpecCompiler.makeFilterSpec(resolvedEventType, eventName, exprNodes,
                    filterNode.getRawFilterSpec().getOptionalPropertyEvalSpec(),  filterTaggedEventTypes, arrayCompositeEventTypes, streamTypeService,
                   null, context, subexpressionIdStack);
            filterNode.setFilterSpec(spec);
        }
        else if (evalNode instanceof EvalObserverFactoryNode)

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            if (namedSpec.getFilterExpressions() != null && !namedSpec.getFilterExpressions().isEmpty()) {


                try {
                    StreamTypeServiceImpl types = new StreamTypeServiceImpl(consumerView.getEventType(), consumerView.getEventType().getName(), false, services.getEngineURI());
                    LinkedHashMap<String, Pair<EventType, String>> tagged = new LinkedHashMap<String, Pair<EventType, String>>();
                    FilterSpecCompiled filterSpecCompiled = FilterSpecCompiler.makeFilterSpec(types.getEventTypes()[0], types.getStreamNames()[0],
                            namedSpec.getFilterExpressions(), null, tagged, tagged, types, null, agentInstanceContext.getStatementContext(), Collections.singleton(0));
                    Collection<EventBean> snapshot = consumerView.snapshotNoLock(filterSpecCompiled, agentInstanceContext.getStatementContext().getAnnotations());
                    eventsInWindow = new ArrayList<EventBean>(snapshot.size());
                    ExprNodeUtility.applyFilterExpressionsIterable(snapshot, namedSpec.getFilterExpressions(), agentInstanceContext, eventsInWindow);
                }

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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.snapshot(preloadFilterSpec, statementContext.getAnnotations());
                                    List<EventBean> eventsInWindow = new ArrayList<EventBean>(snapshot.size());
                                    ExprNodeUtility.applyFilterExpressionsIterable(snapshot, namedSpec.getFilterExpressions(), agentInstanceContext, eventsInWindow);

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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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        try {
            List<ExprNode> filters = Collections.emptyList();
            if (filter != null) {
                 filters = Collections.singletonList(filter);
            }
            FilterSpecCompiled spec = FilterSpecCompiler.makeFilterSpec(eventType, eventType.getName(), filters, null,
                        null, null, new StreamTypeServiceImpl(eventType, eventType.getName(), true, agentInstanceContext.getEngineURI()), null, agentInstanceContext.getStatementContext(), new ArrayList<Integer>());
            valueSet = spec.getValueSet(null, agentInstanceContext, null);
        }
        catch (ExprValidationException ex) {
            throw new EPException("Failed to open filter: " + ex.getMessage(), ex);
        }

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            if (inputPort == null) {
                throw new ExprValidationException("Failed to find stream '" + filter.getRawFilterSpec().getEventTypeName() + "' among input ports, input ports are " + Arrays.toString(getInputPortNames(context.getInputPorts())));
            }
            EventType eventType = inputPort.getValue().getTypeDesc().getEventType();
            String streamAlias = filter.getOptionalStreamName();
            FilterSpecCompiled filterSpecCompiled = new FilterSpecCompiled(eventType, streamAlias, Collections.<FilterSpecParam>emptyList(), null);
            FilterStreamSpecCompiled filterStreamSpecCompiled = new FilterStreamSpecCompiled(filterSpecCompiled, select.getStreamSpecs().get(0).getViewSpecs(), streamAlias, new StreamSpecOptions());
            streamSpecCompileds.add(filterStreamSpecCompiled);
        }


        // create compiled statement spec

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        }
        EventType eventType = processor.getTailView().getEventType();


        // compile filter to optimize access to named window
        StreamTypeServiceImpl typeService = new StreamTypeServiceImpl(new EventType[] {eventType}, new String[] {aliasName}, new boolean[] {true}, services.getEngineURI(), true);
        FilterSpecCompiled filter;
        if (statementSpec.getFilterRootNode() != null) {
            LinkedHashMap<String, Pair<EventType, String>> tagged = new LinkedHashMap<String, Pair<EventType, String>>();
            FilterSpecCompiled filterCompiled;
            try {
                filterCompiled = FilterSpecCompiler.makeFilterSpec(eventType, aliasName,
                        Collections.singletonList(statementSpec.getFilterRootNode()), null,
                        tagged, tagged, typeService,
                        null, statementContext, Collections.singleton(0));

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            if (inputPort == null) {
                throw new ExprValidationException("Failed to find stream '" + filter.getRawFilterSpec().getEventTypeName() + "' among input ports, input ports are " + Arrays.toString(getInputPortNames(context.getInputPorts())));
            }
            EventType eventType = inputPort.getValue().getTypeDesc().getEventType();
            String streamAlias = filter.getOptionalStreamName();
            FilterSpecCompiled filterSpecCompiled = new FilterSpecCompiled(eventType, streamAlias, Collections.<FilterSpecParam>emptyList(), null);
            FilterStreamSpecCompiled filterStreamSpecCompiled = new FilterStreamSpecCompiled(filterSpecCompiled, select.getStreamSpecs().get(0).getViewSpecs(), streamAlias, new StreamSpecOptions());
            streamSpecCompileds.add(filterStreamSpecCompiled);
        }


        // create compiled statement spec

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            }


            StreamTypeService streamTypeService = new StreamTypeServiceImpl(filterTypes, context.getEngineURI(), true, false);
            List<ExprNode> exprNodes = filterNode.getRawFilterSpec().getFilterExpressions();


            FilterSpecCompiled spec = FilterSpecCompiler.makeFilterSpec(resolvedEventType, eventName, exprNodes,
                    filterNode.getRawFilterSpec().getOptionalPropertyEvalSpec(),  filterTaggedEventTypes, arrayCompositeEventTypes, streamTypeService,
                   null, context, subexpressionIdStack);
            filterNode.setFilterSpec(spec);
        }
        else if (evalNode instanceof EvalObserverFactoryNode)

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        // Validate all nodes, make sure each returns a boolean and types are good;
        // Also decompose all AND super nodes into individual expressions
        StreamTypeService streamTypeService = new StreamTypeServiceImpl(new EventType[] {eventType}, new String[] {super.getOptionalStreamName()}, new boolean[] {true}, context.getEngineURI(), false);


        FilterSpecCompiled spec = FilterSpecCompiler.makeFilterSpec(eventType, eventName, rawFilterSpec.getFilterExpressions(), rawFilterSpec.getOptionalPropertyEvalSpec(),
                null, null,  // no tags
                streamTypeService, this.getOptionalStreamName(), context, assignedTypeNumberStack);


        return new FilterStreamSpecCompiled(spec, this.getViewSpecs(), this.getOptionalStreamName(), this.getOptions());
    }

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com.espertech.esper.adapter.BaseSubscription

com.espertech.esper.core.context.factory.StatementAgentInstanceFactorySelect

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com.espertech.esper.core.EPStatementStartMethod

com.espertech.esper.core.service.StatementLifecycleSvcImpl

com.espertech.esper.core.start.EPPreparedExecuteSingleStream

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com.espertech.esper.core.start.EPStatementStartMethodSelectUtil

com.espertech.esper.core.StatementLifecycleSvcImpl

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