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java.lang.Objectnet.esper.view.ViewCapPriorEventAccess
public class ViewCapPriorEventAccess
Describes that we need access to prior events (result events published by views), for use by the "prior" expression function.
Constructor Summary | |
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ViewCapPriorEventAccess(Integer indexConstant)
Ctor. |
Method Summary | |
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Integer |
getIndexConstant()
Index or the prior event we are asking for. |
boolean |
inspect(List<ViewFactory> viewFactories)
Inspect view factories returning false to indicate that view factories do not meet view resource requirements, or true to indicate view capability and view factories can be compatible. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ViewCapPriorEventAccess(Integer indexConstant)
indexConstant
- is the index of the prior event, with zero being the current event.Method Detail |
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public Integer getIndexConstant()
public boolean inspect(List<ViewFactory> viewFactories)
ViewCapability
inspect
in interface ViewCapability
viewFactories
- is a list of view factories that originate the final views
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