LockManager (Eclipse RDF4J 4.2.4)

All Known Implementing Classes:

DirectoryLockManager
```
public interface LockManager
```
Author:

james

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`getLocation()`	Technical description of where the lock is located, such as a URL.
`boolean`	`isLocked()`	Determines if the SAIL is locked.
`Lock`	`lockOrFail()`	Creates a lock in a SAIL if it does not yet exist.
`boolean`	`revokeLock()`	Revokes a lock owned by another process.
`Lock`	`tryLock()`	Creates a lock in a SAIL if it does not yet exist.

- Method Detail
  - getLocation
```
String getLocation()
```
    Technical description of where the lock is located, such as a URL.
  - isLocked
```
boolean isLocked()
```
    Determines if the SAIL is locked.
    
    Returns:
    
    true if the SAIL is already locked.
  - tryLock
```
Lock tryLock()
```
    Creates a lock in a SAIL if it does not yet exist.
    
    Returns:
    
    a newly acquired lock or null if the SAIL is already locked.
  - lockOrFail
```
Lock lockOrFail()
         throws SailLockedException
```
    Creates a lock in a SAIL if it does not yet exist.
    
    Returns:
    
    a newly acquired lock.
    
    Throws:
    
    SailLockedException - if the directory is already locked.
  - revokeLock
```
boolean revokeLock()
```
    Revokes a lock owned by another process.
    
    Returns:
    
    true if a lock was successfully revoked.