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

Class BPlusMetaIO

java.lang.Object

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

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

public class BPlusMetaIO
extends PageIO

IO routines for B+Tree meta pages.

Field Summary

Fields

Modifier and Type	Field and Description
static IOVersions<BPlusMetaIO>	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_CACHE_ID_DATA_REF_MVCC_INNER, T_CACHE_ID_DATA_REF_MVCC_LEAF, T_DATA, T_DATA_METASTORAGE, T_DATA_REF_INNER, T_DATA_REF_LEAF, T_DATA_REF_METASTORAGE_INNER, T_DATA_REF_METASTORAGE_LEAF, T_DATA_REF_MVCC_INNER, T_DATA_REF_MVCC_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_EX_REF_MVCC_INNER_END, T_H2_EX_REF_MVCC_INNER_START, T_H2_EX_REF_MVCC_LEAF_END, T_H2_EX_REF_MVCC_LEAF_START, T_H2_MVCC_REF_INNER, T_H2_MVCC_REF_LEAF, 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, T_TX_LOG_INNER, T_TX_LOG_LEAF, TYPE_OFF, VER_OFF

Method Summary

Modifier and Type	Method and Description
void	addRoot(long pageAddr, long rootPageId, int pageSize)
void	cutRoot(long pageAddr, int pageSize)
long	getFirstPageId(long pageAddr, int lvl)
int	getInlineSize(long pageAddr)
int	getLevelsCount(long pageAddr)
int	getRootLevel(long pageAddr)
void	initRoot(long pageAdrr, long rootId, int pageSize)
protected void	printPage(long addr, int pageSize, GridStringBuilder sb)
void	setInlineSize(long pageAddr, int size)

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

getBPlusIO, getBPlusIO, getCrc, getCrc, getInnerVersions, getLeafVersions, getPageId, getPageId, getPageIO, getPageIO, getRotatedIdPart, getType, getType, getType, getVersion, getVersion, getVersion, initNewPage, isDataPageType, printPage, registerH2, registerH2ExtraInner, registerH2ExtraLeaf, registerTest, 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<BPlusMetaIO> VERSIONS

Method Detail

initRoot

public void initRoot(long pageAdrr,
                     long rootId,
                     int pageSize)

Parameters:

pageAdrr - Page address.

rootId - Root page ID.

pageSize - Page size.

getLevelsCount

public int getLevelsCount(long pageAddr)

Parameters:

pageAddr - Page address.

Returns:

Number of levels in this tree.

getFirstPageId

public long getFirstPageId(long pageAddr,
                           int lvl)

Parameters:

pageAddr - Page address.

lvl - Level.

Returns:

First page ID at that level.

getRootLevel

public int getRootLevel(long pageAddr)

Parameters:

pageAddr - Page address.

Returns:

Root level.

addRoot

public void addRoot(long pageAddr,
                    long rootPageId,
                    int pageSize)

Parameters:

pageAddr - Page address.

rootPageId - New root page ID.

pageSize - Page size.

cutRoot

public void cutRoot(long pageAddr,
                    int pageSize)

Parameters:

pageAddr - Page address.

pageSize - Page size.

setInlineSize

public void setInlineSize(long pageAddr,
                          int size)

Parameters:

pageAddr - Page address.

size - Offset size.

getInlineSize

public int getInlineSize(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