Package 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:

PageMetaIOV2, PagePartitionMetaIO

public class PageMetaIO
extends PageIO

Field Summary

Fields

Modifier and Type	Field	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, ROTATED_ID_PART_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_METASTORAGE, T_DATA_PART, T_DATA_REF_INNER, T_DATA_REF_LEAF, T_DATA_REF_METASTORAGE_INNER, T_DATA_REF_METASTORAGE_LEAF, T_DEFRAG_LINK_MAPPING_INNER, T_DEFRAG_LINK_MAPPING_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_MARKER_PAGE, 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	Description
	PageMetaIO(int ver)
protected	PageMetaIO(int type, int ver)

Method Summary

Modifier and Type	Method	Description
int	getCandidatePageCount(long pageAddr)
int	getFreeSpace(int pageSize, long pageAddr)	Count of bytes that is currently free in this page and possibly can be used to place additional payload.
int	getLastAllocatedPageCount(long pageAddr)	Gets last allocated pages count by provided address
int	getLastAllocatedPageCount(@NotNull ByteBuffer buf)	Gets last allocated pages count from given buffer
long	getLastSuccessfulFullSnapshotId(long pageAddr)	Deprecated. Will be removed at 3.0.
long	getLastSuccessfulSnapshotId(long pageAddr)	Deprecated. Will be removed at 3.0.
long	getLastSuccessfulSnapshotTag(long pageAddr)	Deprecated. Will be removed at 3.0.
long	getNextSnapshotTag(long pageAddr)	Deprecated. Will be removed at 3.0.
long	getReuseListRoot(long pageAddr)
long	getTreeRoot(long pageAddr)
void	initNewPage(long pageAddr, long pageId, int pageSize, PageMetrics metrics)
protected void	printPage(long addr, int pageSize, GridStringBuilder sb)
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)	Deprecated. Will be removed at 3.0.
void	setLastSuccessfulSnapshotId(long pageAddr, long lastSuccessfulSnapshotId)	Deprecated. Will be removed at 3.0.
void	setLastSuccessfulSnapshotTag(long pageAddr, long lastSuccessfulSnapshotTag)	Deprecated. Will be removed at 3.0.
void	setNextSnapshotTag(long pageAddr, long nextSnapshotTag)	Deprecated. Will be removed at 3.0.
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

assertPageType, assertPageType, copyPage, deriveIndexPageType, getBPlusIO, getBPlusIO, getCompactedSize, getCompactedSize, getCompressedSize, getCompressedSize, getCompressionType, getCompressionType, getCrc, getCrc, getInnerVersions, getLeafVersions, getPageId, getPageId, getPageIO, getPageIO, getPageIO, getRotatedIdPart, getType, getType, getType, getVersion, getVersion, getVersion, isDataPageType, isIndexPage, printPage, registerH2, registerH2ExtraInner, registerH2ExtraLeaf, registerTest, registerTest, setCompactedSize, setCompressedSize, setCompressionType, setCrc, setCrc, setPageId, setRotatedIdPart, setType, setVersion, 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,
                        PageMetrics metrics)

Overrides:

initNewPage in class PageIO

Parameters:

pageAddr - Page address.

pageId - Page ID.

pageSize - Page size.

metrics - Page metrics for tracking page allocation. Can be null if no tracking is required.

See Also:

EncryptionSpi.encryptedSize(int)

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

@Deprecated
public void setLastSuccessfulSnapshotId(long pageAddr,
                                        long lastSuccessfulSnapshotId)

Deprecated.

Will be removed at 3.0. See IGNITE-11139.

Parameters:

pageAddr - Page address.

lastSuccessfulSnapshotId - Last successful snapshot id.

getLastSuccessfulSnapshotId

@Deprecated
public long getLastSuccessfulSnapshotId(long pageAddr)

Deprecated.

Will be removed at 3.0. See IGNITE-11139.

Parameters:

pageAddr - Page address.

setLastSuccessfulFullSnapshotId

@Deprecated
public void setLastSuccessfulFullSnapshotId(long pageAddr,
                                            long lastSuccessfulFullSnapshotId)

Deprecated.

Will be removed at 3.0. See IGNITE-11139.

Parameters:

pageAddr - Page address.

lastSuccessfulFullSnapshotId - Last successful full snapshot id.

getLastSuccessfulFullSnapshotId

@Deprecated
public long getLastSuccessfulFullSnapshotId(long pageAddr)

Deprecated.

Will be removed at 3.0. See IGNITE-11139.

Parameters:

pageAddr - Page address.

setNextSnapshotTag

@Deprecated
public void setNextSnapshotTag(long pageAddr,
                               long nextSnapshotTag)

Deprecated.

Will be removed at 3.0. See IGNITE-11139.

Parameters:

pageAddr - Page address.

nextSnapshotTag - Next snapshot tag.

getLastSuccessfulSnapshotTag

@Deprecated
public long getLastSuccessfulSnapshotTag(long pageAddr)

Deprecated.

Will be removed at 3.0. See IGNITE-11139.

Parameters:

pageAddr - Page address.

setLastSuccessfulSnapshotTag

@Deprecated
public void setLastSuccessfulSnapshotTag(long pageAddr,
                                         long lastSuccessfulSnapshotTag)

Deprecated.

Will be removed at 3.0. See IGNITE-11139.

Parameters:

pageAddr - Page address.

lastSuccessfulSnapshotTag - Last successful snapshot tag.

getNextSnapshotTag

@Deprecated
public long getNextSnapshotTag(long pageAddr)

Deprecated.

Will be removed at 3.0. See IGNITE-11139.

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
                                     @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.

printPage

protected void printPage(long addr,
                         int pageSize,
                         GridStringBuilder sb)
                  throws IgniteCheckedException

Specified by:

printPage in class PageIO

Parameters:

addr - Address.

pageSize - Page size.

sb - Sb.

Throws:

IgniteCheckedException

getFreeSpace

public int getFreeSpace(int pageSize,
                        long pageAddr)

Count of bytes that is currently free in this page and possibly can be used to place additional payload.

Specified by:

getFreeSpace in class PageIO

Parameters:

pageSize - Page size.

pageAddr - Page address.

Returns:

Free space.