org.apache.ignite.internal.processors.cache.persistence.tree.io

Class PageMetaIO

java.lang.Object

org.apache.ignite.internal.processors.cache.persistence.tree.io.PageIO

org.apache.ignite.internal.processors.cache.persistence.tree.io.PageMetaIO

Direct Known Subclasses:

PagePartitionMetaIO

public class PageMetaIO
extends PageIO

Field Summary

Fields

Modifier and Type	Field and Description
static IOVersions<PageMetaIO>	VERSIONS

Fields inherited from class org.apache.ignite.internal.processors.cache.persistence.tree.io.PageIO

COMMON_HEADER_END, CRC_OFF, MAX_PAYLOAD_SIZE, PAGE_ID_OFF, T_BPLUS_META, T_CACHE_ID_AWARE_DATA_REF_INNER, T_CACHE_ID_AWARE_DATA_REF_LEAF, T_CACHE_ID_AWARE_PENDING_REF_INNER, T_CACHE_ID_AWARE_PENDING_REF_LEAF, T_DATA, T_DATA_REF_INNER, T_DATA_REF_LEAF, T_H2_EX_REF_INNER_END, T_H2_EX_REF_INNER_START, T_H2_EX_REF_LEAF_END, T_H2_EX_REF_LEAF_START, T_H2_REF_INNER, T_H2_REF_LEAF, T_META, T_METASTORE_INNER, T_METASTORE_LEAF, T_PAGE_LIST_META, T_PAGE_LIST_NODE, T_PAGE_UPDATE_TRACKING, T_PART_CNTRS, T_PART_META, T_PENDING_REF_INNER, T_PENDING_REF_LEAF, TYPE_OFF, VER_OFF

Constructor Summary

Constructors

Modifier	Constructor and Description
	PageMetaIO(int ver)
protected	PageMetaIO(int type, int ver)

Method Summary

Methods

Modifier and Type	Method and Description
int	getCandidatePageCount(long pageAddr)
int	getLastAllocatedPageCount(ByteBuffer buf) Gets last allocated pages count from given buffer
int	getLastAllocatedPageCount(long pageAddr) Gets last allocated pages count by provided address
long	getLastSuccessfulFullSnapshotId(long pageAddr)
long	getLastSuccessfulSnapshotId(long pageAddr)
long	getLastSuccessfulSnapshotTag(long pageAddr)
long	getNextSnapshotTag(long pageAddr)
long	getReuseListRoot(long pageAddr)
long	getTreeRoot(long pageAddr)
void	initNewPage(long pageAddr, long pageId, int pageSize)
boolean	setCandidatePageCount(long pageAddr, int pageCnt)
void	setLastAllocatedPageCount(long pageAddr, int pageCnt) Sets last allocated pages count, used to save and observe previous allocated count
void	setLastSuccessfulFullSnapshotId(long pageAddr, long lastSuccessfulFullSnapshotId)
void	setLastSuccessfulSnapshotId(long pageAddr, long lastSuccessfulSnapshotId)
void	setLastSuccessfulSnapshotTag(long pageAddr, long lastSuccessfulSnapshotTag)
void	setNextSnapshotTag(long pageAddr, long nextSnapshotId)
void	setReuseListRoot(long pageAddr, long pageId)
void	setTreeRoot(long pageAddr, long treeRoot)

Methods inherited from class org.apache.ignite.internal.processors.cache.persistence.tree.io.PageIO

getBPlusIO, getBPlusIO, getCrc, getCrc, getInnerVersions, getLeafVersions, getPageId, getPageId, getPageIO, getPageIO, getType, getType, getType, getVersion, getVersion, getVersion, isDataPageType, registerH2, registerH2ExtraInner, registerH2ExtraLeaf, registerTest, setCrc, setCrc, setPageId, setType, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

VERSIONS

public static final IOVersions<PageMetaIO> VERSIONS

Constructor Detail

PageMetaIO

public PageMetaIO(int ver)

Parameters:

ver - Page format version.

PageMetaIO

protected PageMetaIO(int type,
          int ver)

Parameters:

type - Type.

ver - Version.

Method Detail

initNewPage

public void initNewPage(long pageAddr,
               long pageId,
               int pageSize)

Overrides:

initNewPage in class PageIO

Parameters:

pageAddr - Page address.

pageId - Page ID.

pageSize - Page size.

getTreeRoot

public long getTreeRoot(long pageAddr)

Parameters:

pageAddr - Page address.

Returns:

Tree root page.

setTreeRoot

public void setTreeRoot(long pageAddr,
               long treeRoot)

Parameters:

pageAddr - Page address.

treeRoot - Tree root

getReuseListRoot

public long getReuseListRoot(long pageAddr)

Parameters:

pageAddr - Page address.

Returns:

Reuse list root page.

setReuseListRoot

public void setReuseListRoot(long pageAddr,
                    long pageId)

Parameters:

pageAddr - Page address.

pageId - Root page ID.

setLastSuccessfulSnapshotId

public void setLastSuccessfulSnapshotId(long pageAddr,
                               long lastSuccessfulSnapshotId)

Parameters:

pageAddr - Page address.

lastSuccessfulSnapshotId - Last successful snapshot id.

getLastSuccessfulSnapshotId

public long getLastSuccessfulSnapshotId(long pageAddr)

Parameters:

pageAddr - Page address.

setLastSuccessfulFullSnapshotId

public void setLastSuccessfulFullSnapshotId(long pageAddr,
                                   long lastSuccessfulFullSnapshotId)

Parameters:

pageAddr - Page address.

lastSuccessfulFullSnapshotId - Last successful full snapshot id.

getLastSuccessfulFullSnapshotId

public long getLastSuccessfulFullSnapshotId(long pageAddr)

Parameters:

pageAddr - Page address.

setNextSnapshotTag

public void setNextSnapshotTag(long pageAddr,
                      long nextSnapshotId)

Parameters:

pageAddr - Page address.

nextSnapshotId - Next snapshot id.

getLastSuccessfulSnapshotTag

public long getLastSuccessfulSnapshotTag(long pageAddr)

Parameters:

pageAddr - Page address.

setLastSuccessfulSnapshotTag

public void setLastSuccessfulSnapshotTag(long pageAddr,
                                long lastSuccessfulSnapshotTag)

Parameters:

pageAddr - Page address.

lastSuccessfulSnapshotTag - Last successful snapshot tag.

getNextSnapshotTag

public long getNextSnapshotTag(long pageAddr)

Parameters:

pageAddr - Page address.

setLastAllocatedPageCount

public void setLastAllocatedPageCount(long pageAddr,
                             int pageCnt)

Sets last allocated pages count, used to save and observe previous allocated count

Parameters:

pageAddr - Meta Page address.

pageCnt - Last allocated pages count to set

getLastAllocatedPageCount

public int getLastAllocatedPageCount(@NotNull
                            ByteBuffer buf)

Gets last allocated pages count from given buffer

Parameters:

buf - Buffer to read data from.

getLastAllocatedPageCount

public int getLastAllocatedPageCount(long pageAddr)

Gets last allocated pages count by provided address

Parameters:

pageAddr - Meta page address.

Returns:

Last allocated page count

setCandidatePageCount

public boolean setCandidatePageCount(long pageAddr,
                            int pageCnt)

Parameters:

pageAddr - Page address.

pageCnt - Last page count.

getCandidatePageCount

public int getCandidatePageCount(long pageAddr)

Parameters:

pageAddr - Page address.