# Uses of Class
ch.qos.logback.core.filter.AbstractMatcherFilter

Packages that use AbstractMatcherFilter
Package
Description
ch.qos.logback.classic.filter
ch.qos.logback.core.filter
Contains base classes to the event filtering functionality of logback.

## Uses of AbstractMatcherFilter in ch.qos.logback.classic.filter

Subclasses of AbstractMatcherFilter in ch.qos.logback.classic.filter
Modifier and Type
Class
Description
`class`
`LevelFilter`
A class that filters events by the level equality.

## Uses of AbstractMatcherFilter in ch.qos.logback.core.filter

Subclasses of AbstractMatcherFilter in ch.qos.logback.core.filter
Modifier and Type
Class
Description
`class`
`EvaluatorFilter<E>`
The value of the `onMatch` and `onMismatch` attributes is set to `FilterReply.NEUTRAL`, so that a badly configured evaluator filter does not disturb the functioning of the filter chain.