Package org.apache.groovy.parser.antlr4.internal.atnmanager

# Class AtnManager

java.lang.Object
org.apache.groovy.parser.antlr4.internal.atnmanager.AtnManager

Direct Known Subclasses:
  `LexerAtnManager`, `ParserAtnManager`

public abstract class AtnManager extends Object
Manage ATN to avoid memory leak

- ## Nested Class Summary

  Nested Classes
  Modifier and Type
  Class
  Description
  `protected class`
  `AtnManager.AtnWrapper`

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `static final ReentrantReadWriteLock.ReadLock`
  `READ_LOCK`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `AtnManager()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `abstract org.antlr.v4.runtime.atn.ATN`
  `getATN()`
  `protected abstract boolean`
  `shouldClearDfaCache()`

  ### Methods inherited from class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- ## Field Details

  - ### READ_LOCK

    public static final ReentrantReadWriteLock.ReadLock READ_LOCK

- ## Constructor Details

  - ### AtnManager

    public AtnManager()

- ## Method Details

  - ### getATN

    public abstract org.antlr.v4.runtime.atn.ATN getATN()

  - ### shouldClearDfaCache

    protected abstract boolean shouldClearDfaCache()