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java.lang.Objectnet.esper.filter.FilterParamIndex
net.esper.filter.FilterParamIndexEquals
public final class FilterParamIndexEquals
Index for filter parameter constants to match using the equals (=) operator. The implementation is based on a regular HashMap.
Constructor Summary | |
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FilterParamIndexEquals(String propertyName,
EventType eventType)
Constructs the index for exact matches. |
Method Summary | |
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EventEvaluator |
get(Object filterConstant)
Get the event evaluation instance associated with the constant. |
ReadWriteLock |
getReadWriteLock()
Supplies the lock for protected access. |
void |
matchEvent(EventBean eventBean,
List<FilterCallback> matches)
Perform the matching of an event based on the event property values, adding any callbacks for matches found to the matches list. |
void |
put(Object filterConstant,
EventEvaluator evaluator)
Store the event evaluation instance for the given constant. |
boolean |
remove(Object filterConstant)
Remove the event evaluation instance for the given constant. |
int |
size()
Return the number of distinct filter parameter constants stored. |
Methods inherited from class net.esper.filter.FilterParamIndex |
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getFilterOperator, getGetter, getPropertyBoxedType, getPropertyName, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public FilterParamIndexEquals(String propertyName, EventType eventType)
propertyName
- is the name of the event propertyeventType
- describes the event type and is used to obtain a getter instance for the propertyMethod Detail |
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public final EventEvaluator get(Object filterConstant)
FilterParamIndex
get
in class FilterParamIndex
filterConstant
- is the constant supplied in the event filter parameter
public final void put(Object filterConstant, EventEvaluator evaluator)
FilterParamIndex
put
in class FilterParamIndex
filterConstant
- is the constant supplied in the filter parameterevaluator
- to be stored for the constantpublic final boolean remove(Object filterConstant)
FilterParamIndex
remove
in class FilterParamIndex
filterConstant
- is the value supplied in the filter paremeter
public final int size()
FilterParamIndex
size
in class FilterParamIndex
public final ReadWriteLock getReadWriteLock()
FilterParamIndex
getReadWriteLock
in class FilterParamIndex
public final void matchEvent(EventBean eventBean, List<FilterCallback> matches)
EventEvaluator
eventBean
- is the event object wrapper to obtain event property values frommatches
- accumulates the matching filter callbacks
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