org.opennms.netmgt.measurements.api

Interface FilterFactory

All Known Implementing Classes:

AbstractFilterFactory, ChompFactory, DerivativeFactory, HWForecastFactory, JEXLFactory, OutlierFilterFactory, PercentileFactory, TrendLineFactory

public interface FilterFactory

Used to instantiate a Filter from the corresponding filter definition.

Author:

jwhite

Method Summary

Modifier and Type	Method and Description
Filter	getFilter(FilterDef filterDef) Retrieves the appropriate Filter for the given configuration.
Class<? extends Filter>	getFilterType() Retrieves a reference to the associated Filter type.

Method Detail

getFilter

Filter getFilter(FilterDef filterDef)

Retrieves the appropriate Filter for the given configuration.

Parameters:

filterDef - a filter definition

Returns:

null if this factory doesn't support the filter in question

getFilterType

Class<? extends Filter> getFilterType()

Retrieves a reference to the associated Filter type.

Returns:

the filter configuration