public class ReadOnlyAccess extends TransactionalAccess
region
Constructor and Description |
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ReadOnlyAccess(EntityRegionImpl region) |
Modifier and Type | Method and Description |
---|---|
boolean |
afterUpdate(Object key,
Object value,
Object currentVersion,
Object previousVersion,
SoftLock lock)
Called after an item has been updated (after the transaction completes),
instead of calling release().
|
SoftLock |
lockItem(Object key,
Object version)
We are going to attempt to update/delete the keyed object.
|
SoftLock |
lockRegion()
Lock the entire region
|
void |
unlockItem(Object key,
SoftLock lock)
Called when we have finished the attempted update/delete (which may or
may not have been successful), after transaction completion.
|
void |
unlockRegion(SoftLock lock)
Called after we have finished the attempted invalidation of the entire
region
|
boolean |
update(Object key,
Object value,
Object currentVersion,
Object previousVersion)
Called after an item has been updated (before the transaction completes),
instead of calling evict().
|
afterInsert, evict, evictAll, get, getRegion, insert, putFromLoad, putFromLoad, remove, removeAll
public ReadOnlyAccess(EntityRegionImpl region)
public SoftLock lockItem(Object key, Object version) throws CacheException
EntityRegionAccessStrategy
lockItem
in interface EntityRegionAccessStrategy
lockItem
in class TransactionalAccess
key
- The key of the item to lockversion
- The item's current version valueCacheException
- Propogated from underlying Region
public SoftLock lockRegion() throws CacheException
EntityRegionAccessStrategy
lockRegion
in interface EntityRegionAccessStrategy
lockRegion
in class TransactionalAccess
CacheException
- Propogated from underlying Region
public void unlockItem(Object key, SoftLock lock) throws CacheException
EntityRegionAccessStrategy
unlockItem
in interface EntityRegionAccessStrategy
unlockItem
in class TransactionalAccess
key
- The item keylock
- The lock previously obtained from EntityRegionAccessStrategy.lockItem(java.lang.Object, java.lang.Object)
CacheException
- Propogated from underlying Region
public void unlockRegion(SoftLock lock) throws CacheException
EntityRegionAccessStrategy
unlockRegion
in interface EntityRegionAccessStrategy
unlockRegion
in class TransactionalAccess
lock
- The lock previously obtained from EntityRegionAccessStrategy.lockRegion()
CacheException
- Propogated from underlying Region
public boolean update(Object key, Object value, Object currentVersion, Object previousVersion) throws CacheException
EntityRegionAccessStrategy
update
in interface EntityRegionAccessStrategy
update
in class TransactionalAccess
key
- The item keyvalue
- The itemcurrentVersion
- The item's current version valuepreviousVersion
- The item's previous version valueCacheException
- Propogated from underlying Region
public boolean afterUpdate(Object key, Object value, Object currentVersion, Object previousVersion, SoftLock lock) throws CacheException
EntityRegionAccessStrategy
afterUpdate
in interface EntityRegionAccessStrategy
afterUpdate
in class TransactionalAccess
key
- The item keyvalue
- The itemcurrentVersion
- The item's current version valuepreviousVersion
- The item's previous version valuelock
- The lock previously obtained from EntityRegionAccessStrategy.lockItem(java.lang.Object, java.lang.Object)
CacheException
- Propogated from underlying Region
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