Examples of com.espertech.esper.client.EPException

com.espertech.esper.client.EPException
This exception is thrown to indicate a problem in administration and runtime.

        {
            final StreamSpecCompiled streamSpec = statementSpec.getStreamSpecs().get(i);
            NamedWindowConsumerStreamSpec namedSpec = (NamedWindowConsumerStreamSpec) streamSpec;
            NamedWindowProcessorInstance processorInstance = processors[i].getProcessorInstance(agentInstanceContext);
            if (processorInstance == null) {
                throw new EPException("Named window '" + namedSpec.getWindowName() + "' is associated to context '" + processors[i].getContextName() + "' that is not available for querying");
            }
            snapshots[i] = processorInstance.getTailViewInstance().snapshot(filters[i], statementSpec.getAnnotations());


            if (namedSpec.getFilterExpressions().size() != 0)
            {

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            processMatches(eventBean);
        }
        catch (RuntimeException ex)
        {
            matchesArrayThreadLocal.get().clear();
            throw new EPException(ex);
        }
        finally
        {
            unisolatedServices.getEventProcessingRWLock().releaseReadLock();
        }

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        {
            unisolatedServices.getDispatchService().dispatch();
        }
        catch (RuntimeException ex)
        {
            throw new EPException(ex);
        }
    }

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        {
            spec = ScheduleSpecUtil.computeValues(observerParameters.toArray());
        }
        catch (ScheduleParameterException e)
        {
            throw new EPException("Error computing crontab schedule specification: " + e.getMessage(), e);
        }
        return new TimerAtObserver(spec, beginState, observerEventEvaluator);
    }

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    public EventObserver makeObserver(PatternAgentInstanceContext context, MatchedEventMap beginState, ObserverEventEvaluator observerEventEvaluator, EvalStateNodeNumber stateNodeId, Object observerState)
    {
        Object result = parameter.getExprEvaluator().evaluate(convertor.convert(beginState), true, context.getAgentInstanceContext());
        if (result == null)
        {
            throw new EPException("Null value returned for guard expression");
        }


        Number param = (Number) result;
        if (JavaClassHelper.isFloatingPointNumber(param))
        {

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                if (ex.getMessage() != null)
                {
                    message += ": " + ex.getMessage();
                }
                log.error(message, ex);
                throw new EPException(message);
            }
        }
        return results;
    }

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            if (ex.getMessage() != null)
            {
                message += ": " + ex.getMessage();
            }
            log.error(message, ex);
            throw new EPException(message);
        }
    }

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        }


        VirtualDataWindowLookup index = dataExternal.getLookup(new VirtualDataWindowLookupContext(null, null, annotations, true, namedWindowName, noopTable.getHashAccess(), noopTable.getBtreeAccess()));
        checkIndex(index);
        if (index == null) {
            throw new EPException("Exception obtaining index from virtual data window '" + namedWindowName + "'");
        }


        Set<EventBean> events = null;
        try {
            events = index.lookup(keys, null);

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        return events;
    }


    private void checkIndex(VirtualDataWindowLookup index) {
        if (index == null) {
            throw new EPException("Exception obtaining index lookup from virtual data window, the implementation has returned a null index");
        }
    }

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            dataExternal.handleEvent(create);
        }
        catch (Exception ex) {
            String message = "Exception encountered invoking virtual data window handle start-index event for window '" + namedWindowName + "': " + ex.getMessage();
            log.warn(message, ex);
            throw new EPException(message, ex);
        }
    }

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Related Classes of com.espertech.esper.client.EPException

com.espertech.esper.core.context.subselect.SubSelectStrategyFactoryLocalViewPreloaded

com.espertech.esper.core.EPAdministratorIsolatedImpl

com.espertech.esper.core.EPRuntimeIsolatedImpl

com.espertech.esper.core.service.EPAdministratorIsolatedImpl

com.espertech.esper.core.service.EPRuntimeIsolatedImpl

com.espertech.esper.core.service.ResultDeliveryStrategyFactory

com.espertech.esper.core.service.StatementContextFactoryDefault

com.espertech.esper.core.start.EPPreparedExecuteMethod

com.espertech.esper.core.start.EPPreparedExecuteMethodHelper

com.espertech.esper.core.start.EPPreparedExecuteSingleStream

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