本文整理汇总了Java中com.espertech.esper.core.start.EPStatementStartMethodHelperUtil类的典型用法代码示例。如果您正苦于以下问题:Java EPStatementStartMethodHelperUtil类的具体用法?Java EPStatementStartMethodHelperUtil怎么用?Java EPStatementStartMethodHelperUtil使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
EPStatementStartMethodHelperUtil类属于com.espertech.esper.core.start包,在下文中一共展示了EPStatementStartMethodHelperUtil类的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: determineOnExprView
import com.espertech.esper.core.start.EPStatementStartMethodHelperUtil; //导入依赖的package包/类
public OnExprViewResult determineOnExprView(AgentInstanceContext agentInstanceContext, List<StopCallback> stopCallbacks, boolean isRecoveringReslient) {
OnTriggerWindowDesc onTriggerWindowDesc = (OnTriggerWindowDesc) statementSpec.getOnTriggerDesc();
// get result set processor and aggregation services
Pair<ResultSetProcessor, AggregationService> pair = EPStatementStartMethodHelperUtil.startResultSetAndAggregation(resultSetProcessorPrototype, agentInstanceContext, false, null);
TableStateInstance state = services.getTableService().getState(onTriggerWindowDesc.getWindowName(), agentInstanceContext.getAgentInstanceId());
EventTable[] indexes;
if (queryPlanResult.getIndexDescs() == null) {
indexes = null;
} else {
indexes = new EventTable[queryPlanResult.getIndexDescs().length];
for (int i = 0; i < indexes.length; i++) {
indexes[i] = state.getIndexRepository().getIndexByDesc(queryPlanResult.getIndexDescs()[i].getIndexMultiKey());
}
}
SubordWMatchExprLookupStrategy strategy = queryPlanResult.getFactory().realize(indexes, agentInstanceContext, state.getIterableTableScan(), null);
TableOnView onExprBaseView = onExprFactory.make(strategy, state, agentInstanceContext, pair.getFirst());
return new OnExprViewResult(onExprBaseView, pair.getSecond());
}
示例2: determineOnExprView
import com.espertech.esper.core.start.EPStatementStartMethodHelperUtil; //导入依赖的package包/类
public OnExprViewResult determineOnExprView(AgentInstanceContext agentInstanceContext, List<StopCallback> stopCallbacks, boolean isRecoveringReslient) {
// get result set processor and aggregation services
Pair<ResultSetProcessor, AggregationService> pair = EPStatementStartMethodHelperUtil.startResultSetAndAggregation(resultSetProcessorPrototype, agentInstanceContext, false, null);
// get named window processor instance
NamedWindowProcessorInstance processorInstance = processor.getProcessorInstance(agentInstanceContext);
// obtain on-expr view
EventTable[] indexes = null;
if (queryPlan.getIndexDescs() != null) {
indexes = SubordinateQueryPlannerUtil.realizeTables(queryPlan.getIndexDescs(), processor.getNamedWindowType(), processorInstance.getRootViewInstance().getIndexRepository(), processorInstance.getRootViewInstance().getDataWindowContents(), processorInstance.getTailViewInstance().getAgentInstanceContext(), isRecoveringReslient);
}
SubordWMatchExprLookupStrategy strategy = queryPlan.getFactory().realize(indexes, agentInstanceContext, processorInstance.getRootViewInstance().getDataWindowContents(), processorInstance.getRootViewInstance().getVirtualDataWindow());
NamedWindowOnExprView onExprBaseView = onExprFactory.make(strategy, processorInstance.getRootViewInstance(), agentInstanceContext, pair.getFirst());
return new OnExprViewResult(onExprBaseView, pair.getSecond());
}