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 java.lang.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 java.util.concurrent.locks.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 java.util.concurrent.locks.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()