PGPCertificateDirectory.LockingMechanism (pgp-cert-d-java 0.2.2 API)

All Known Implementing Classes:

InMemoryCertificateDirectoryBackend.ObjectLockingMechanism

Enclosing class:

PGPCertificateDirectory
```
public static interface PGPCertificateDirectory.LockingMechanism
```
Interface for a write-locking mechanism.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`isLocked()`	Return true if the lock is in locked state.
`void`	`lockDirectory()`	Lock the store for writes.
`void`	`releaseDirectory()`	Release the directory write-lock acquired via `lockDirectory()`.
`boolean`	`tryLockDirectory()`	Try top lock the store for writes.

- Method Detail
  - lockDirectory
```
void lockDirectory()
            throws java.io.IOException,
                   java.lang.InterruptedException
```
    Lock the store for writes. Readers can continue to use the store and will always see consistent certs.
    
    Throws:
    
    java.io.IOException - in case of an IO error
    
    java.lang.InterruptedException - if the thread gets interrupted
  - tryLockDirectory
```
boolean tryLockDirectory()
                  throws java.io.IOException
```
    Try top lock the store for writes. Return false without locking the store in case the store was already locked.
    
    Returns:
    
    true if locking succeeded, false otherwise
    
    Throws:
    
    java.io.IOException - in case of an IO error
  - isLocked
```
boolean isLocked()
```
    Return true if the lock is in locked state.
    
    Returns:
    
    true if locked
  - releaseDirectory
```
void releaseDirectory()
               throws java.io.IOException
```
    Release the directory write-lock acquired via lockDirectory().
    
    Throws:
    
    java.io.IOException - in case of an IO error