com.espertech.esper.filter
Class IndexFactory

java.lang.Object
  com.espertech.esper.filter.IndexFactory

public class IndexFactory
extends java.lang.Object

Factory for FilterParamIndexBase instances based on event property name and filter operator type.

Constructor Summary

IndexFactory()

Method Summary

static FilterParamIndexBase

createIndex(FilterSpecLookupable lookupable, FilterServiceGranularLockFactory lockFactory, FilterOperator filterOperator) Factory for indexes that store filter parameter constants for a given event property and filter operator.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IndexFactory

public IndexFactory()

Method Detail

createIndex

public static FilterParamIndexBase createIndex(FilterSpecLookupable lookupable,
                                               FilterServiceGranularLockFactory lockFactory,
                                               FilterOperator filterOperator)

Factory for indexes that store filter parameter constants for a given event property and filter operator.

Does not perform any check of validity of property name.

Parameters:

filterOperator - is the type of index to use

Returns:

the proper index based on the filter operator type