本文整理汇总了Java中com.espertech.esper.pattern.observer.EventObserver类的典型用法代码示例。如果您正苦于以下问题：Java EventObserver类的具体用法？Java EventObserver怎么用？Java EventObserver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。
EventObserver类属于com.espertech.esper.pattern.observer包，在下文中一共展示了EventObserver类的4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: makeObserver
import com.espertech.esper.pattern.observer.EventObserver; //导入依赖的package包/类
public EventObserver makeObserver(PatternAgentInstanceContext context, MatchedEventMap beginState, ObserverEventEvaluator observerEventEvaluator, EvalStateNodeNumber stateNodeId, Object observerState, boolean isFilterChildNonQuitting) {
Object filename = PatternExpressionUtil.evaluate("File-exists observer ", beginState, filenameExpression, convertor, null);
if (filename == null) {
throw new EPException("Filename evaluated to null");
}
return new MyFileExistsObserver(beginState, observerEventEvaluator, filename.toString());
}
示例2: makeObserver
import com.espertech.esper.pattern.observer.EventObserver; //导入依赖的package包/类
public EventObserver makeObserver(PatternAgentInstanceContext context, MatchedEventMap beginState, ObserverEventEvaluator observerEventEvaluator, EvalStateNodeNumber stateNodeId, Object observerState, boolean isFilterChildNonQuitting) {
return null;
}
示例3: makeObserver
import com.espertech.esper.pattern.observer.EventObserver; //导入依赖的package包/类
public EventObserver makeObserver(PatternAgentInstanceContext context, MatchedEventMap beginState, ObserverEventEvaluator observerEventEvaluator, EvalStateNodeNumber stateNodeId, Object observerState)
{
return null;
}
示例4: visitObserver
import com.espertech.esper.pattern.observer.EventObserver; //导入依赖的package包/类
public void visitObserver(EvalObserverFactoryNode factoryNode, EvalStateNode stateNode, EventObserver eventObserver);