OSharedResourceAdaptiveExternal (OrientDB 2.2.1-SNAPSHOT API)

java.lang.Object
- com.orientechnologies.common.concur.resource.OSharedResourceAdaptive
- - com.orientechnologies.common.concur.resource.OSharedResourceAdaptiveExternal

All Implemented Interfaces:

OSharedResource

Direct Known Subclasses:

OLuceneIndexEngineAbstract, OLuceneStorage
```
public class OSharedResourceAdaptiveExternal
extends OSharedResourceAdaptive
implements OSharedResource
```
Optimize locks since they are enabled only when the engine runs in MULTI-THREADS mode.

Author:

Luca Garulli

Constructor Summary

Constructors
Constructor and Description

OSharedResourceAdaptiveExternal(boolean iConcurrent, int iTimeout, boolean ignoreThreadInterruption)

Constructors
Constructor and Description
`OSharedResourceAdaptiveExternal(boolean iConcurrent, int iTimeout, boolean ignoreThreadInterruption)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`acquireExclusiveLock()`
`void`	`acquireSharedLock()`
`void`	`releaseExclusiveLock()`
`void`	`releaseSharedLock()`
`boolean`	`tryAcquireExclusiveLock()`
`boolean`	`tryAcquireSharedLock()`

Methods inherited from class com.orientechnologies.common.concur.resource.OSharedResourceAdaptive
addUser, assertExclusiveLockHold, assertSharedLockHold, getUsers, isConcurrent, removeUser

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

- Constructor Detail
  - OSharedResourceAdaptiveExternal
```
public OSharedResourceAdaptiveExternal(boolean iConcurrent,
                                       int iTimeout,
                                       boolean ignoreThreadInterruption)
```
- Method Detail
  - acquireExclusiveLock
```
public void acquireExclusiveLock()
```
    Specified by:
    
    acquireExclusiveLock in interface OSharedResource
    
    Overrides:
    
    acquireExclusiveLock in class OSharedResourceAdaptive
  - tryAcquireExclusiveLock
```
public boolean tryAcquireExclusiveLock()
```
    Overrides:
    
    tryAcquireExclusiveLock in class OSharedResourceAdaptive
  - acquireSharedLock
```
public void acquireSharedLock()
```
    Specified by:
    
    acquireSharedLock in interface OSharedResource
    
    Overrides:
    
    acquireSharedLock in class OSharedResourceAdaptive
  - tryAcquireSharedLock
```
public boolean tryAcquireSharedLock()
```
    Overrides:
    
    tryAcquireSharedLock in class OSharedResourceAdaptive
  - releaseExclusiveLock
```
public void releaseExclusiveLock()
```
    Specified by:
    
    releaseExclusiveLock in interface OSharedResource
    
    Overrides:
    
    releaseExclusiveLock in class OSharedResourceAdaptive
  - releaseSharedLock
```
public void releaseSharedLock()
```
    Specified by:
    
    releaseSharedLock in interface OSharedResource
    
    Overrides:
    
    releaseSharedLock in class OSharedResourceAdaptive

Class OSharedResourceAdaptiveExternal

Constructor Summary

Method Summary

Methods inherited from class com.orientechnologies.common.concur.resource.OSharedResourceAdaptive

Methods inherited from class java.lang.Object

Constructor Detail

OSharedResourceAdaptiveExternal

Method Detail

acquireExclusiveLock

tryAcquireExclusiveLock

acquireSharedLock

tryAcquireSharedLock

releaseExclusiveLock

releaseSharedLock