# Uses of Interface
ch.qos.logback.core.spi.AppenderAttachable

Packages that use AppenderAttachable
Package
Description
ch.qos.logback.access.jetty
This is logback access' implementation for Jetty 8.
ch.qos.logback.access.spi
Contains the core classes of logback access.
ch.qos.logback.access.tomcat
This is logback access' implementation for Tomcat.
ch.qos.logback.classic
Contains logback classic main classes.
ch.qos.logback.core
Contains the main classes of logback core.
ch.qos.logback.core.spi
Contains core functionnalities of logback, such as

## Uses of AppenderAttachable in ch.qos.logback.access.jetty

Classes in ch.qos.logback.access.jetty that implement AppenderAttachable
Modifier and Type
Class
Description
`class`
`RequestLogImpl`
This class is logback's implementation of jetty's RequestLog interface.

## Uses of AppenderAttachable in ch.qos.logback.access.spi

Classes in ch.qos.logback.access.spi that implement AppenderAttachable
Modifier and Type
Class
Description
`class`
`AccessContext`
A minimal context implementation used by certain logback-access components, mainly SocketServer.

## Uses of AppenderAttachable in ch.qos.logback.access.tomcat

Classes in ch.qos.logback.access.tomcat that implement AppenderAttachable
Modifier and Type
Class
Description
`class`
`LogbackValve`
This class is an implementation of tomcat's Valve interface, by extending ValveBase.

## Uses of AppenderAttachable in ch.qos.logback.classic

Classes in ch.qos.logback.classic that implement AppenderAttachable
Modifier and Type
Class
Description
`class`
`AsyncAppender`
In order to optimize performance this appender deems events of level TRACE, DEBUG and INFO as discardable.
`final class`
`Logger`

## Uses of AppenderAttachable in ch.qos.logback.core

Classes in ch.qos.logback.core that implement AppenderAttachable
Modifier and Type
Class
Description
`class`
`AsyncAppenderBase<E>`
This appender and derived classes, log events asynchronously.

## Uses of AppenderAttachable in ch.qos.logback.core.spi

Classes in ch.qos.logback.core.spi that implement AppenderAttachable
Modifier and Type
Class
Description
`class`
`AppenderAttachableImpl<E>`
A ReentrantReadWriteLock based implementation of the `AppenderAttachable` interface.