PageDeltaRecord (Ignite 2.17.0)

java.lang.Object
- org.apache.ignite.internal.pagemem.wal.record.WALRecord
- - org.apache.ignite.internal.pagemem.wal.record.delta.PageDeltaRecord

All Implemented Interfaces:

WalRecordCacheGroupAware

Direct Known Subclasses:

DataPageInsertFragmentRecord, DataPageInsertRecord, DataPageRemoveRecord, DataPageSetFreeListPageRecord, DataPageUpdateRecord, FixCountRecord, FixLeftmostChildRecord, FixRemoveId, InitNewPageRecord, InnerReplaceRecord, InsertRecord, MergeRecord, MetaPageAddRootRecord, MetaPageCutRootRecord, MetaPageInitRootRecord, MetaPageUpdateIndexDataRecord, MetaPageUpdateLastAllocatedIndex, MetaPageUpdateLastSuccessfulFullSnapshotId, MetaPageUpdateLastSuccessfulSnapshotId, MetaPageUpdateNextSnapshotId, MetaPageUpdatePartitionDataRecord, NewRootInitRecord, PageListMetaResetCountRecord, PagesListAddPageRecord, PagesListRemovePageRecord, PagesListSetNextRecord, PagesListSetPreviousRecord, RecycleRecord, RemoveRecord, ReplaceRecord, RotatedIdPartRecord, SplitExistingPageRecord, SplitForwardPageRecord, TrackingPageDeltaRecord, TrackingPageRepairDeltaRecord
```
public abstract class PageDeltaRecord
extends WALRecord
implements WalRecordCacheGroupAware
```
Abstract page delta record.

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.ignite.internal.pagemem.wal.record.WALRecord
  WALRecord.RecordPurpose, WALRecord.RecordType

Constructor Summary

Constructors
Modifier Constructor Description

protected PageDeltaRecord(int grpId, long pageId)

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract void`	`applyDelta(PageMemory pageMem, long pageAddr)`	Apply changes from this delta to the given page.
`FullPageId`	`fullPageId()`
`int`	`groupId()`
`long`	`pageId()`
`String`	`toString()`

Methods inherited from class org.apache.ignite.internal.pagemem.wal.record.WALRecord
chainSize, chainSize, position, position, previous, previous, size, size, type

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

- Constructor Detail
  - PageDeltaRecord
```
protected PageDeltaRecord(int grpId,
                          long pageId)
```
    Parameters:
    
    grpId - Cache group ID.
    
    pageId - Page ID.
- Method Detail
  - pageId
```
public long pageId()
```
    Returns:
    
    Page ID.
  - fullPageId
```
public FullPageId fullPageId()
```
    Returns:
    
    Full page ID.
  - groupId
```
public int groupId()
```
    Specified by:
    
    groupId in interface WalRecordCacheGroupAware
    
    Returns:
    
    Cache group ID.
  - applyDelta
```
public abstract void applyDelta(PageMemory pageMem,
                                long pageAddr)
                         throws IgniteCheckedException
```
    Apply changes from this delta to the given page. It is assumed that the given buffer represents page state right before this update.
    
    Parameters:
    
    pageMem - Page memory.
    
    pageAddr - Page address.
    
    Throws:
    
    IgniteCheckedException - If failed.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class WALRecord