Package com.espertech.esper.filter

Examples of com.espertech.esper.filter.FilterSpecCompiled

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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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     */
    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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            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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                    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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        }
        // 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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        }
        // 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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            }

            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, context.getMethodResolutionService(), context.getSchedulingService(), context.getVariableService(), context.getEventAdapterService(), context.getEngineURI(), null, context, subexpressionIdStack);
            filterNode.setFilterSpec(spec);
        }
        else if (evalNode instanceof EvalObserverNode)
        {
            EvalObserverNode observerNode = (EvalObserverNode) evalNode;
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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, context.getMethodResolutionService(), context.getSchedulingService(), context.getVariableService(), context.getEventAdapterService(), context.getEngineURI(), this.getOptionalStreamName(), context, assignedTypeNumberStack);

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