# Uses of Interface
org.apache.qpid.proton.engine.CoreHandler

Packages that use CoreHandler
Package
Description
org.apache.qpid.proton.engine
org.apache.qpid.proton.reactor
org.apache.qpid.proton.reactor.impl

## Uses of CoreHandler in org.apache.qpid.proton.engine

Classes in org.apache.qpid.proton.engine that implement CoreHandler
Modifier and Type
Class
Description
`class`
`BaseHandler`
BaseHandler

## Uses of CoreHandler in org.apache.qpid.proton.reactor

Classes in org.apache.qpid.proton.reactor that implement CoreHandler
Modifier and Type
Class
Description
`class`
`FlowController`
A handler that applies flow control to a connection.
`class`
`Handshaker`
A handler that mirrors the actions of the remote end of a connection.

## Uses of CoreHandler in org.apache.qpid.proton.reactor.impl

Classes in org.apache.qpid.proton.reactor.impl that implement CoreHandler
Modifier and Type
Class
Description
`class`
`IOHandler`