OCacheEntry (OrientDB 3.1.2-SNAPSHOT API)

All Known Implementing Classes:

OCacheEntryChanges, OCacheEntryImpl
```
public interface OCacheEntry
```
Since:

7/23/13

Author:

Andrey Lomakin (a.lomakin-at-orientdb.com)

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`boolean`	`acquireEntry()`
`void`	`acquireExclusiveLock()`
`void`	`acquireSharedLock()`
`void`	`addPageOperationRecord(PageOperationRecord pageOperationRecord)`
`void`	`clearAllocationFlag()`
`void`	`clearCachePointer()`
`void`	`clearPageOperations()`
`void`	`decrementUsages()`
`boolean`	`freeze()`
`OCachePointer`	`getCachePointer()`
`OWALChanges`	`getChanges()`
`LRUList`	`getContainer()`
`OLogSequenceNumber`	`getEndLSN()`
`long`	`getFileId()`
`OCacheEntry`	`getNext()`
`int`	`getPageIndex()`
`List<PageOperationRecord>`	`getPageOperations()`
`OCacheEntry`	`getPrev()`
`int`	`getUsagesCount()`
`void`	`incrementUsages()`
`boolean`	`isAlive()`
`boolean`	`isDead()`
`boolean`	`isFrozen()`
`boolean`	`isLockAcquiredByCurrentThread()` DEBUG only !!
`boolean`	`isNewlyAllocatedPage()`
`boolean`	`isReleased()`
`void`	`makeDead()`
`void`	`markAllocated()`
`void`	`releaseEntry()`
`void`	`releaseExclusiveLock()`
`void`	`releaseSharedLock()`
`void`	`setCachePointer(OCachePointer cachePointer)`
`void`	`setContainer(LRUList lruList)`
`void`	`setEndLSN(OLogSequenceNumber endLSN)`
`void`	`setNext(OCacheEntry next)`
`void`	`setPrev(OCacheEntry prev)`

Method Detail

getCachePointer
```
OCachePointer getCachePointer()
```

clearCachePointer
```
void clearCachePointer()
```

setCachePointer

void setCachePointer(OCachePointer cachePointer)

getFileId
```
long getFileId()
```

getPageIndex
```
int getPageIndex()
```

acquireExclusiveLock
```
void acquireExclusiveLock()
```

releaseExclusiveLock
```
void releaseExclusiveLock()
```

acquireSharedLock
```
void acquireSharedLock()
```

releaseSharedLock
```
void releaseSharedLock()
```

getUsagesCount
```
int getUsagesCount()
```

incrementUsages
```
void incrementUsages()
```

isLockAcquiredByCurrentThread
```
boolean isLockAcquiredByCurrentThread()
```
DEBUG only !!

Returns:

Whether lock acquired on current entry

decrementUsages
```
void decrementUsages()
```

getChanges
```
OWALChanges getChanges()
```

getEndLSN
```
OLogSequenceNumber getEndLSN()
```

setEndLSN

void setEndLSN(OLogSequenceNumber endLSN)

acquireEntry
```
boolean acquireEntry()
```

releaseEntry
```
void releaseEntry()
```

isReleased
```
boolean isReleased()
```

isAlive
```
boolean isAlive()
```

freeze
```
boolean freeze()
```

isFrozen
```
boolean isFrozen()
```

makeDead
```
void makeDead()
```

isDead
```
boolean isDead()
```

getNext
```
OCacheEntry getNext()
```

getPrev
```
OCacheEntry getPrev()
```

setPrev
```
void setPrev(OCacheEntry prev)
```

setNext
```
void setNext(OCacheEntry next)
```

setContainer
```
void setContainer(LRUList lruList)
```

getContainer
```
LRUList getContainer()
```

isNewlyAllocatedPage
```
boolean isNewlyAllocatedPage()
```

markAllocated
```
void markAllocated()
```

clearAllocationFlag
```
void clearAllocationFlag()
```

getPageOperations

List<PageOperationRecord> getPageOperations()

clearPageOperations
```
void clearPageOperations()
```

addPageOperationRecord

void addPageOperationRecord(PageOperationRecord pageOperationRecord)

Interface OCacheEntry

Method Summary

Method Detail

getCachePointer

clearCachePointer

setCachePointer

getFileId

getPageIndex

acquireExclusiveLock

releaseExclusiveLock

acquireSharedLock

releaseSharedLock

getUsagesCount

incrementUsages

isLockAcquiredByCurrentThread

decrementUsages

getChanges

getEndLSN

setEndLSN

acquireEntry

releaseEntry

isReleased

isAlive

freeze

isFrozen

makeDead

isDead

getNext

getPrev

setPrev

setNext

setContainer

getContainer

isNewlyAllocatedPage

markAllocated

clearAllocationFlag

getPageOperations

clearPageOperations

addPageOperationRecord