Package org.apache.ignite.internal.cache.query.index.sorted.inline.io

Class AbstractLeafIO

java.lang.Object

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

org.apache.ignite.internal.processors.cache.persistence.tree.io.BPlusIO<L>

org.apache.ignite.internal.processors.cache.persistence.tree.io.BPlusLeafIO<IndexRow>

org.apache.ignite.internal.cache.query.index.sorted.inline.io.AbstractLeafIO

All Implemented Interfaces:

InlineIO, CompactablePageIO

Direct Known Subclasses:

LeafIO

public abstract class AbstractLeafIO
extends BPlusLeafIO<IndexRow>
implements InlineIO

Leaf page to store index rows.

Field Summary

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

ITEMS_OFF, itemSize

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

Method Summary

Modifier and Type	Method	Description
IndexRow	getLookupRow(BPlusTree<IndexRow,?> tree, long pageAddr, int idx)	Get lookup row.
int	inlineSize()
long	link(long pageAddr, int idx)
void	store(long dstPageAddr, int dstIdx, BPlusIO<IndexRow> srcIo, long srcPageAddr, int srcIdx)	Store row info from the given source.
void	storeByOffset(long pageAddr, int off, IndexRow row)	Store the needed info about the row in the page.

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

copyItems, getMaxCount, offset

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

canGetRow, compactPage, getCount, getForward, getFreeSpace, getItemsEnd, getItemSize, getRemoveId, initNewPage, insert, isLeaf, merge, printPage, remove, restorePage, setCount, setForward, setRemoveId, splitExistingPage, splitForwardPage, store, visit

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

Method Detail

storeByOffset

public void storeByOffset(long pageAddr,
                          int off,
                          IndexRow row)

Store the needed info about the row in the page. Leaf and inner pages can store different info.

Specified by:

storeByOffset in class BPlusIO<IndexRow>

Parameters:

pageAddr - Page address.

off - Offset in bytes.

row - Lookup or full row.

getLookupRow

public IndexRow getLookupRow(BPlusTree<IndexRow,?> tree,
                             long pageAddr,
                             int idx)
                      throws IgniteCheckedException

Get lookup row.

Specified by:

getLookupRow in class BPlusIO<IndexRow>

Parameters:

tree - Tree.

pageAddr - Page address.

idx - Index.

Returns:

Lookup row.

Throws:

IgniteCheckedException - If failed.

store

public void store(long dstPageAddr,
                  int dstIdx,
                  BPlusIO<IndexRow> srcIo,
                  long srcPageAddr,
                  int srcIdx)

Store row info from the given source.

Specified by:

store in class BPlusIO<IndexRow>

Parameters:

dstPageAddr - Destination page address.

dstIdx - Destination index.

srcIo - Source IO.

srcPageAddr - Source page address.

srcIdx - Source index.

link

public long link(long pageAddr,
                 int idx)

Specified by:

link in interface InlineIO

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Row link.

inlineSize

public int inlineSize()

Specified by:

inlineSize in interface InlineIO

Returns:

Number of bytes stored in the inline payload.