Java SelectClauseStreamSelectorEnum类代码示例

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
private boolean hasRelevantResults(UniformPair<EventBean[]> newOldEvents) {
    if (newOldEvents == null) {
        return false;
    }
    if (parent.getSelectClauseStreamSelectorEnum() == SelectClauseStreamSelectorEnum.ISTREAM_ONLY) {
        if (newOldEvents.getFirst() == null) {
            return false; // nothing to indicate
        }
    } else if (parent.getSelectClauseStreamSelectorEnum() == SelectClauseStreamSelectorEnum.RSTREAM_ISTREAM_BOTH) {
        if (newOldEvents.getFirst() == null && newOldEvents.getSecond() == null) {
            return false; // nothing to indicate
        }
    } else {
        if (newOldEvents.getSecond() == null) {
            return false; // nothing to indicate
        }
    }
    return true;
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
public void setUp() throws Exception
{
    List<SelectClauseExprCompiledSpec> selectList = SupportSelectExprFactory.makeNoAggregateSelectList();
    EventAdapterService eventAdapterService = SupportEventAdapterService.getService();
    SupportValueAddEventService vaeService = new SupportValueAddEventService();
    SelectExprEventTypeRegistry selectExprEventTypeRegistry = new SelectExprEventTypeRegistry(new HashSet<String>());
    MethodResolutionService methodResolutionService = new MethodResolutionServiceImpl(new EngineImportServiceImpl(true, true, true), null);

    methodOne = new SelectExprProcessorHelper(Collections.<Integer>emptyList(), selectList, Collections.<SelectExprStreamDesc>emptyList(), null, false, new SupportStreamTypeSvc1Stream(), eventAdapterService, vaeService, selectExprEventTypeRegistry, methodResolutionService, null, null, new Configuration());

    InsertIntoDesc insertIntoDesc = new InsertIntoDesc(SelectClauseStreamSelectorEnum.ISTREAM_ONLY, "Hello");
    insertIntoDesc.add("a");
    insertIntoDesc.add("b");

    methodTwo = new SelectExprProcessorHelper(Collections.<Integer>emptyList(), selectList, Collections.<SelectExprStreamDesc>emptyList(), insertIntoDesc, false, new SupportStreamTypeSvc1Stream(), eventAdapterService, vaeService, selectExprEventTypeRegistry, methodResolutionService, null, null, new Configuration());
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
public void output(boolean forceUpdate, UniformPair<EventBean[]> result, UpdateDispatchView finalView) {
    EventBean[] newEvents = result != null ? result.getFirst() : null;
    EventBean[] oldEvents = result != null ? result.getSecond() : null;

    // route first
    if (parent.isRoute()) {
        if ((newEvents != null) && (parent.getInsertIntoStreamSelector().isSelectsIStream())) {
            route(newEvents, agentInstanceContext);
        }

        if ((oldEvents != null) && (parent.getInsertIntoStreamSelector().isSelectsRStream())) {
            route(oldEvents, agentInstanceContext);
        }
    }

    // discard one side of results
    if (parent.getSelectStreamDirEnum() == SelectClauseStreamSelectorEnum.RSTREAM_ONLY) {
        newEvents = oldEvents;
        oldEvents = null;
    } else if (parent.getSelectStreamDirEnum() == SelectClauseStreamSelectorEnum.ISTREAM_ONLY) {
        oldEvents = null;   // since the insert-into may require rstream
    }

    // dispatch
    if (newEvents != null || oldEvents != null) {
        finalView.newResult(new UniformPair<EventBean[]>(newEvents, oldEvents));
    } else if (forceUpdate) {
        finalView.newResult(new UniformPair<EventBean[]>(null, null));
    }
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
public OutputStrategyPostProcessFactory(boolean route, SelectClauseStreamSelectorEnum insertIntoStreamSelector, SelectClauseStreamSelectorEnum selectStreamDirEnum, InternalEventRouter internalEventRouter, EPStatementHandle epStatementHandle, boolean addToFront, TableService tableService, String tableName) {
    isRoute = route;
    this.insertIntoStreamSelector = insertIntoStreamSelector;
    this.selectStreamDirEnum = selectStreamDirEnum;
    this.internalEventRouter = internalEventRouter;
    this.epStatementHandle = epStatementHandle;
    this.addToFront = addToFront;
    this.tableService = tableService;
    this.tableName = tableName;
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
public OutputProcessViewConditionFactory(StatementContext statementContext, OutputStrategyPostProcessFactory postProcessFactory, boolean distinct, ExprTimePeriod afterTimePeriod, Integer afterConditionNumberOfEvents, EventType resultEventType, OutputConditionFactory outputConditionFactory, int streamCount, ResultSetProcessorOutputConditionType conditionType, OutputLimitLimitType outputLimitLimitType, boolean terminable, boolean hasAfter, boolean isUnaggregatedUngrouped, SelectClauseStreamSelectorEnum selectClauseStreamSelectorEnum, ResultSetProcessorHelperFactory resultSetProcessorHelperFactory) {
    super(statementContext, postProcessFactory, resultSetProcessorHelperFactory, distinct, afterTimePeriod, afterConditionNumberOfEvents, resultEventType);
    this.outputConditionFactory = outputConditionFactory;
    this.streamCount = streamCount;
    this.conditionType = conditionType;
    this.outputLimitLimitType = outputLimitLimitType;
    this.terminable = terminable;
    this.hasAfter = hasAfter;
    this.isUnaggregatedUngrouped = isUnaggregatedUngrouped;
    this.selectClauseStreamSelectorEnum = selectClauseStreamSelectorEnum;
    this.resultSetProcessorHelperFactory = resultSetProcessorHelperFactory;
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
public static ExprForge toExpression(String hint, StatementContext statementContext) throws ExprValidationException {
    String toCompile = "select * from java.lang.Object#time(" + hint + ")";
    StatementSpecRaw raw = EPAdministratorHelper.compileEPL(toCompile, hint, false, null,
            SelectClauseStreamSelectorEnum.ISTREAM_ONLY, statementContext.getEngineImportService(),
            statementContext.getVariableService(),
            statementContext.getEngineURI(), statementContext.getConfigSnapshot(),
            new PatternNodeFactoryImpl(), new ContextManagementServiceImpl(statementContext.getEngineURI()),
            new ExprDeclaredServiceImpl(), new TableServiceImpl());
    ExprNode expr = raw.getStreamSpecs().get(0).getViewSpecs()[0].getObjectParameters().get(0);
    ExprNode validated = EPLValidationUtil.validateSimpleGetSubtree(ExprNodeOrigin.HINT, expr, statementContext, OAEXPRESSIONTYPE, false);
    return validated.getForge();
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
public StatementAgentInstanceFactoryCreateVariableResult newContextInternal(final AgentInstanceContext agentInstanceContext, boolean isRecoveringResilient) {
    StopCallback stopCallback = new StopCallback() {
        public void stop() {
            services.getVariableService().deallocateVariableState(variableMetaData.getVariableName(), agentInstanceContext.getAgentInstanceId());
        }
    };
    services.getVariableService().allocateVariableState(variableMetaData.getVariableName(), agentInstanceContext.getAgentInstanceId(), statementContext.getStatementExtensionServicesContext(), isRecoveringResilient);

    final CreateVariableView createView = new CreateVariableView(statementContext.getStatementId(), services.getEventAdapterService(), services.getVariableService(), createDesc.getVariableName(), statementContext.getStatementResultService(), agentInstanceContext.getAgentInstanceId());

    services.getVariableService().registerCallback(createDesc.getVariableName(), agentInstanceContext.getAgentInstanceId(), createView);
    statementContext.getStatementStopService().addSubscriber(new StatementStopCallback() {
        public void statementStopped() {
            services.getVariableService().unregisterCallback(createDesc.getVariableName(), 0, createView);
        }
    });

    // Create result set processor, use wildcard selection
    statementSpec.getSelectClauseSpec().setSelectExprList(new SelectClauseElementWildcard());
    statementSpec.setSelectStreamDirEnum(SelectClauseStreamSelectorEnum.RSTREAM_ISTREAM_BOTH);
    StreamTypeService typeService = new StreamTypeServiceImpl(new EventType[]{createView.getEventType()}, new String[]{"create_variable"}, new boolean[]{true}, services.getEngineURI(), false, false);
    OutputProcessViewBase outputViewBase;
    try {
        ResultSetProcessorFactoryDesc resultSetProcessorPrototype = ResultSetProcessorFactoryFactory.getProcessorPrototype(
                statementSpec, statementContext, typeService, null, new boolean[0], true, ContextPropertyRegistryImpl.EMPTY_REGISTRY, null, services.getConfigSnapshot(), services.getResultSetProcessorHelperFactory(), false, false);
        ResultSetProcessor resultSetProcessor = EPStatementStartMethodHelperAssignExpr.getAssignResultSetProcessor(agentInstanceContext, resultSetProcessorPrototype, false, null, false);

        // Attach output view
        OutputProcessViewFactory outputViewFactory = OutputProcessViewFactoryFactory.make(statementSpec, services.getInternalEventRouter(), agentInstanceContext.getStatementContext(), resultSetProcessorPrototype.getResultEventType(), null, services.getTableService(), resultSetProcessorPrototype.getResultSetProcessorType(), services.getResultSetProcessorHelperFactory(), services.getStatementVariableRefService());
        outputViewBase = outputViewFactory.makeView(resultSetProcessor, agentInstanceContext);
        createView.addView(outputViewBase);
    } catch (ExprValidationException ex) {
        throw new EPException("Unexpected exception in create-variable context allocation: " + ex.getMessage(), ex);
    }

    return new StatementAgentInstanceFactoryCreateVariableResult(outputViewBase, stopCallback, agentInstanceContext);
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
public EPStatement createEPLStatementId(String eplStatement, String statementName, Object userObject, Integer optionalStatementId) throws EPException {
    SelectClauseStreamSelectorEnum defaultStreamSelector = StatementSpecMapper.mapFromSODA(unisolatedServices.getConfigSnapshot().getEngineDefaults().getStreamSelection().getDefaultStreamSelector());
    StatementSpecRaw statementSpec = EPAdministratorHelper.compileEPL(eplStatement, eplStatement, true, statementName, unisolatedServices, defaultStreamSelector);
    EPStatement statement = unisolatedServices.getStatementLifecycleSvc().createAndStart(statementSpec, eplStatement, false, statementName, userObject, services, optionalStatementId, null);
    EPStatementSPI stmtSpi = (EPStatementSPI) statement;
    stmtSpi.getStatementContext().setInternalEventEngineRouteDest(isolatedRuntime);
    stmtSpi.setServiceIsolated(isolatedServiceName);
    statementNames.add(stmtSpi.getName());
    return statement;
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
public void setUp() throws Exception {
    List<SelectClauseExprCompiledSpec> selectList = SupportSelectExprFactory.makeNoAggregateSelectList();
    EventAdapterService eventAdapterService = SupportEventAdapterService.getService();
    SupportValueAddEventService vaeService = new SupportValueAddEventService();
    SelectExprEventTypeRegistry selectExprEventTypeRegistry = new SelectExprEventTypeRegistry("abc", new StatementEventTypeRefImpl());
    EngineImportService engineImportService = SupportEngineImportServiceFactory.make();

    methodOne = new SelectExprProcessorHelper(Collections.<Integer>emptyList(), selectList, Collections.<SelectExprStreamDesc>emptyList(), null, null, false, new SupportStreamTypeSvc1Stream(), eventAdapterService, vaeService, selectExprEventTypeRegistry, engineImportService, 1, "stmtname", null, new Configuration(), null, new TableServiceImpl(), null);

    InsertIntoDesc insertIntoDesc = new InsertIntoDesc(SelectClauseStreamSelectorEnum.ISTREAM_ONLY, "Hello");
    insertIntoDesc.add("a");
    insertIntoDesc.add("b");

    methodTwo = new SelectExprProcessorHelper(Collections.<Integer>emptyList(), selectList, Collections.<SelectExprStreamDesc>emptyList(), insertIntoDesc, null, false, new SupportStreamTypeSvc1Stream(), eventAdapterService, vaeService, selectExprEventTypeRegistry, engineImportService, 1, "stmtname", null, new Configuration(), null, new TableServiceImpl(), null);
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
public void output(boolean forceUpdate, UniformPair<EventBean[]> result, UpdateDispatchView finalView)
{
    EventBean[] newEvents = result != null ? result.getFirst() : null;
    EventBean[] oldEvents = result != null ? result.getSecond() : null;

    // route first
    if (parent.isRoute())
    {
        if ((newEvents != null) && (parent.getInsertIntoStreamSelector().isSelectsIStream()))
        {
            route(newEvents, agentInstanceContext);
        }

        if ((oldEvents != null) && (parent.getInsertIntoStreamSelector().isSelectsRStream()))
        {
            route(oldEvents, agentInstanceContext);
        }
    }

    // discard one side of results
    if (parent.getSelectStreamDirEnum() == SelectClauseStreamSelectorEnum.RSTREAM_ONLY)
    {
        newEvents = oldEvents;
        oldEvents = null;
    }
    else if (parent.getSelectStreamDirEnum() == SelectClauseStreamSelectorEnum.ISTREAM_ONLY)
    {
        oldEvents = null;   // since the insert-into may require rstream
    }

    // dispatch
    if(newEvents != null || oldEvents != null)
    {
        finalView.newResult(new UniformPair<EventBean[]>(newEvents, oldEvents));
    }
    else if(forceUpdate)
    {
        finalView.newResult(new UniformPair<EventBean[]>(null, null));
    }
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
public OutputStrategyPostProcessFactory(boolean route, SelectClauseStreamSelectorEnum insertIntoStreamSelector, SelectClauseStreamSelectorEnum selectStreamDirEnum, InternalEventRouter internalEventRouter, EPStatementHandle epStatementHandle, boolean addToFront) {
    isRoute = route;
    this.insertIntoStreamSelector = insertIntoStreamSelector;
    this.selectStreamDirEnum = selectStreamDirEnum;
    this.internalEventRouter = internalEventRouter;
    this.epStatementHandle = epStatementHandle;
    this.addToFront = addToFront;
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
public EPStatement createEPLStatementId(String eplStatement, String statementName, Object userObject, String statementId) throws EPException
{
    SelectClauseStreamSelectorEnum defaultStreamSelector = SelectClauseStreamSelectorEnum.mapFromSODA(unisolatedServices.getConfigSnapshot().getEngineDefaults().getStreamSelection().getDefaultStreamSelector());
    StatementSpecRaw statementSpec = EPAdministratorHelper.compileEPL(eplStatement, eplStatement, true, statementName, unisolatedServices, defaultStreamSelector);
    EPStatement statement = unisolatedServices.getStatementLifecycleSvc().createAndStart(statementSpec, eplStatement, false, statementName, userObject, services, statementId, null);
    EPStatementSPI stmtSpi = (EPStatementSPI) statement;
    stmtSpi.getStatementContext().setInternalEventEngineRouteDest(isolatedRuntime);
    stmtSpi.setServiceIsolated(isolatedServiceName);
    statementNames.add(stmtSpi.getName());
    return statement;
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
/**
 * Ctor.
 * @param runtimeSPI
 * @param services engine services
 * @param configurationOperations configuration snapshot
 * @param defaultStreamSelector default stream selection
 */
public EPAdministratorContext(EPRuntimeSPI runtimeSPI, EPServicesContext services, ConfigurationOperations configurationOperations, SelectClauseStreamSelectorEnum defaultStreamSelector)
{
    this.runtimeSPI = runtimeSPI;
    this.configurationOperations = configurationOperations;
    this.defaultStreamSelector = defaultStreamSelector;
    this.services = services;
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
public SelectClauseStreamSelectorEnum getInsertIntoStreamSelector() {
    return insertIntoStreamSelector;
}
 

import com.espertech.esper.epl.spec.SelectClauseStreamSelectorEnum; //导入依赖的package包/类
public SelectClauseStreamSelectorEnum getSelectStreamDirEnum() {
    return selectStreamDirEnum;
}