MetaPageInitRootRecord (Ignite 2.17.0)

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

All Implemented Interfaces:

WalRecordCacheGroupAware

Direct Known Subclasses:

MetaPageInitRootInlineRecord
```
public class MetaPageInitRootRecord
extends PageDeltaRecord
```
Initialize new meta page.

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

Field Summary

Fields
Modifier and Type Field Description

protected long rootId

Constructor Summary

Constructors
Constructor Description

MetaPageInitRootRecord(int grpId, long pageId, long rootId)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`applyDelta(PageMemory pageMem, long pageAddr)`	Apply changes from this delta to the given page.
`long`	`rootId()`
`String`	`toString()`
`WALRecord.RecordType`	`type()`

Methods inherited from class org.apache.ignite.internal.pagemem.wal.record.delta.PageDeltaRecord
fullPageId, groupId, pageId

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

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

- Field Detail
  - rootId
```
protected long rootId
```
- Constructor Detail
  - MetaPageInitRootRecord
```
public MetaPageInitRootRecord(int grpId,
                              long pageId,
                              long rootId)
```
    Parameters:
    
    pageId - Meta page ID.
- Method Detail
  - applyDelta
```
public 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.
    
    Specified by:
    
    applyDelta in class PageDeltaRecord
    
    Parameters:
    
    pageMem - Page memory.
    
    pageAddr - Page address.
    
    Throws:
    
    IgniteCheckedException - If failed.
  - type
```
public WALRecord.RecordType type()
```
    Specified by:
    
    type in class WALRecord
    
    Returns:
    
    Entry type.
  - rootId
```
public long rootId()
```
    Returns:
    
    Root ID.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class PageDeltaRecord