# Uses of Interface
org.apache.lucene.util.automaton.TransitionAccessor

Packages that use TransitionAccessor
Package
Description
org.apache.lucene.util.automaton
Finite-state automaton for regular expressions.

## Uses of TransitionAccessor in org.apache.lucene.util.automaton

Classes in org.apache.lucene.util.automaton that implement TransitionAccessor
Modifier and Type
Class
Description
`class`
`Automaton`
Represents an automaton and all its states and transitions.
`class`
`NFARunAutomaton`
A RunAutomaton that does not require DFA.
Methods in org.apache.lucene.util.automaton that return TransitionAccessor
Modifier and Type
Method
Description
`TransitionAccessor`
CompiledAutomaton.`getTransitionAccessor()`
Get a `TransitionAccessor` instance, it will be different depending on whether a NFA or DFA is passed in, and does not guarantee returning non-null object