Examples of com.espertech.esper.collection.ViewUpdatedCollection

com.espertech.esper.collection.ViewUpdatedCollection
A general-purpose collection interface for collections updated by view data.
Views post delta-data in terms of new data (insert stream) events and old data (remove stream) event that leave a window.

        if (viewResourceDelegate.getPreviousRequests() != null && !viewResourceDelegate.getPreviousRequests().isEmpty()) {
            DataWindowViewWithPrevious factoryFound = EPStatementStartMethodHelperPrevious.findPreviousViewFactory(viewFactoryChain);
            previousNodeGetter = factoryFound.makePreviousGetter();
        }


        ViewUpdatedCollection priorViewUpdatedCollection = null;
        if (viewResourceDelegate.getPriorRequests() != null && !viewResourceDelegate.getPriorRequests().isEmpty()) {
            PriorEventViewFactory priorEventViewFactory = EPStatementStartMethodHelperPrior.findPriorViewFactory(viewFactoryChain);
            SortedMap<Integer, List<ExprPriorNode>> callbacksPerIndex = viewResourceDelegate.getPriorRequests();
            priorViewUpdatedCollection = priorEventViewFactory.makeViewUpdatedCollection(callbacksPerIndex, agentInstanceContext.getAgentInstanceIds());
        }

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        if (viewResourceDelegate.getPreviousRequests() != null && !viewResourceDelegate.getPreviousRequests().isEmpty()) {
            DataWindowViewWithPrevious factoryFound = EPStatementStartMethodHelperPrevious.findPreviousViewFactory(viewFactoryChain);
            previousNodeGetter = factoryFound.makePreviousGetter();
        }


        ViewUpdatedCollection priorViewUpdatedCollection = null;
        if (viewResourceDelegate.getPriorRequests() != null && !viewResourceDelegate.getPriorRequests().isEmpty()) {
            PriorEventViewFactory priorEventViewFactory = EPStatementStartMethodHelperPrior.findPriorViewFactory(viewFactoryChain);
            SortedMap<Integer, List<ExprPriorNode>> callbacksPerIndex = viewResourceDelegate.getPriorRequests();
            priorViewUpdatedCollection = priorEventViewFactory.makeViewUpdatedCollection(callbacksPerIndex, agentInstanceContext.getAgentInstanceId());
        }

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        if (viewResourceDelegate.getPreviousRequests() != null && !viewResourceDelegate.getPreviousRequests().isEmpty()) {
            DataWindowViewWithPrevious factoryFound = EPStatementStartMethodHelperPrevious.findPreviousViewFactory(viewFactoryChain);
            previousNodeGetter = factoryFound.makePreviousGetter();
        }


        ViewUpdatedCollection priorViewUpdatedCollection = null;
        if (viewResourceDelegate.getPriorRequests() != null && !viewResourceDelegate.getPriorRequests().isEmpty()) {
            PriorEventViewFactory priorEventViewFactory = EPStatementStartMethodHelperPrior.findPriorViewFactory(viewFactoryChain);
            SortedMap<Integer, List<ExprPriorNode>> callbacksPerIndex = viewResourceDelegate.getPriorRequests();
            priorViewUpdatedCollection = priorEventViewFactory.makeViewUpdatedCollection(callbacksPerIndex, agentInstanceContext.getAgentInstanceId());
        }

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        }


        Map<ExprPriorNode, ExprPriorEvalStrategy> strategies = new HashMap<ExprPriorNode, ExprPriorEvalStrategy>();


        for (int streamNum = 0; streamNum < viewResourceDelegate.getPerStream().length; streamNum++) {
            ViewUpdatedCollection viewUpdatedCollection = viewFactoryChainContexts[streamNum].getPriorViewUpdatedCollection();
            SortedMap<Integer, List<ExprPriorNode>> callbacksPerIndex = viewResourceDelegate.getPerStream()[streamNum].getPriorRequests();
            handlePrior(viewUpdatedCollection, callbacksPerIndex, strategies);
        }


        return strategies;

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Related Classes of com.espertech.esper.collection.ViewUpdatedCollection

com.espertech.esper.core.context.util.AgentInstanceViewFactoryChainContext

com.espertech.esper.core.start.EPStatementStartMethodHelperPrior

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