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java.lang.Objectnet.esper.filter.FilterSpecParam
net.esper.filter.FilterSpecParamEventProp
public final class FilterSpecParamEventProp
This class represents a filter parameter containing a reference to another event's property
in the event pattern result, for use to describe a filter parameter in a FilterSpecCompiled
filter specification.
Constructor Summary | |
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FilterSpecParamEventProp(String propertyName,
FilterOperator filterOperator,
String resultEventAsName,
String resultEventProperty,
boolean isMustCoerce,
Class coercionType)
Constructor. |
Method Summary | |
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boolean |
equals(Object obj)
|
Class |
getCoercionType()
Returns the numeric coercion type. |
Object |
getFilterValue(MatchedEventMap matchedEvents)
Return the filter parameter constant to filter for. |
String |
getResultEventAsName()
Returns tag for result event. |
String |
getResultEventProperty()
Returns the property of the result event. |
boolean |
isMustCoerce()
Returns true if numeric coercion is required, or false if not |
String |
toString()
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Methods inherited from class net.esper.filter.FilterSpecParam |
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getFilterOperator, getPropertyName |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public FilterSpecParamEventProp(String propertyName, FilterOperator filterOperator, String resultEventAsName, String resultEventProperty, boolean isMustCoerce, Class coercionType) throws IllegalArgumentException
propertyName
- is the event property namefilterOperator
- is the type of compareresultEventAsName
- is the name of the result event from which to get a property value to compareresultEventProperty
- is the name of the property to get from the named result eventisMustCoerce
- indicates on whether numeric coercion must be performedcoercionType
- indicates the numeric coercion type to use
IllegalArgumentException
- if an operator was supplied that does not take a single constant valueMethod Detail |
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public boolean isMustCoerce()
public Class getCoercionType()
public String getResultEventAsName()
public String getResultEventProperty()
public Object getFilterValue(MatchedEventMap matchedEvents)
FilterSpecParam
getFilterValue
in class FilterSpecParam
matchedEvents
- is the prior results that can be used to determine filter parameters
public final String toString()
toString
in class FilterSpecParam
public boolean equals(Object obj)
equals
in class FilterSpecParam
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