NullLockManager (HerdDB Utils 0.28.0 API)

java.lang.Object
- herddb.utils.NullLockManager

All Implemented Interfaces:

ILocalLockManager
```
public class NullLockManager
extends Object
implements ILocalLockManager
```
Handle fake locks by key in order to avoid useless concurrent access management.

Author:

paolo.venturi

Constructor Summary

Constructors
Constructor Description

NullLockManager()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`LockHandle`	`acquireReadLockForKey(Bytes key)`
`LockHandle`	`acquireWriteLockForKey(Bytes key)`
`void`	`clear()`
`int`	`getNumKeys()`
`void`	`releaseLock(LockHandle handle)`
`void`	`releaseReadLock(LockHandle handle)`
`void`	`releaseWriteLock(LockHandle handle)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - NullLockManager
```
public NullLockManager()
```
- Method Detail
  - acquireWriteLockForKey
```
public LockHandle acquireWriteLockForKey(Bytes key)
```
    Specified by:
    
    acquireWriteLockForKey in interface ILocalLockManager
  - releaseWriteLock
```
public void releaseWriteLock(LockHandle handle)
```
    Specified by:
    
    releaseWriteLock in interface ILocalLockManager
  - acquireReadLockForKey
```
public LockHandle acquireReadLockForKey(Bytes key)
```
    Specified by:
    
    acquireReadLockForKey in interface ILocalLockManager
  - releaseReadLock
```
public void releaseReadLock(LockHandle handle)
```
    Specified by:
    
    releaseReadLock in interface ILocalLockManager
  - releaseLock
```
public void releaseLock(LockHandle handle)
```
    Specified by:
    
    releaseLock in interface ILocalLockManager
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface ILocalLockManager
  - getNumKeys
```
public int getNumKeys()
```
    Specified by:
    
    getNumKeys in interface ILocalLockManager