DistributedConfigSetLockFactory (Solr 9.0.0 core API)

All Known Implementing Classes:

ZkDistributedConfigSetLockFactory
```
public interface DistributedConfigSetLockFactory
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`DistributedLock`	`createLock(boolean isWriteLock, String configSetName)`	Create a new lock of the specified type (read or write) entering the "competition" for actually getting the lock for the `configSetName`

- Method Detail
  - createLock
```
DistributedLock createLock(boolean isWriteLock,
                           String configSetName)
```
    Create a new lock of the specified type (read or write) entering the "competition" for actually getting the lock for the configSetName
    Upon return from this call, the lock has not been acquired but the it had entered the lock acquiring "competition", and the caller can decide to wait until the lock is granted by calling DistributedLock.waitUntilAcquired().
    Separating the lock creation from lock acquisition allows a more deterministic release of the locks when/if they can't be acquired.
    Locks at different paths are independent of each other, multiple DistributedLock are therefore requested for a single operation and are packaged together and returned as an DistributedMultiLock, see CollectionApiLockFactory.createCollectionApiLock(org.apache.solr.common.params.CollectionParams.LockLevel, java.lang.String, java.lang.String, java.lang.String) or ConfigSetApiLockFactory.createConfigSetApiLock(java.lang.String, java.lang.String).
    
    Parameters:
    
    isWriteLock - true if requesting a write lock, false for a read lock.
    
    configSetName - the config set name, can never be null.
    
    Returns:
    
    a lock instance that must be DistributedLock.release()'ed in a finally, regardless of the lock having been acquired or not.