LockTree (Solr 9.0.0 core API)

java.lang.Object
- org.apache.solr.cloud.LockTree

```
public class LockTree
extends Object
```
This is a utility class that offers fine grained locking for various Collection Operations This class is designed for single threaded operation. It's safe for multiple threads to use it but internally it is synchronized so that only one thread can perform any operation.

- Nested Class Summary
  
  Nested Classes
  Modifier and Type Class Description
  
  class LockTree.Session
  This class is used to mark nodes for which acquiring a lock was attempted but didn't succeed.
- Constructor Summary
  
  Constructors
  Constructor Description
  
  LockTree()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  LockTree.Session getSession()
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- LockTree
```
public LockTree()
```

Method Detail
- getSession
```
public LockTree.Session getSession()
```