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

Class MetadataStorage.MetaStoreInnerIO

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.BPlusInnerIO<org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.IndexItem>

org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.MetaStoreInnerIO

Enclosing class:

MetadataStorage

public static final class MetadataStorage.MetaStoreInnerIO
extends BPlusInnerIO<org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.IndexItem>

Field Summary

Fields

Modifier and Type	Field and Description
static IOVersions<MetadataStorage.MetaStoreInnerIO>	VERSIONS

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, 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

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.IndexItem	getLookupRow(BPlusTree<org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.IndexItem,?> tree, long pageAddr, int idx) Get lookup row.
int	getOffset(long pageAddr, int idx)
void	store(long dstPageAddr, int dstIdx, BPlusIO<org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.IndexItem> srcIo, long srcPageAddr, int srcIdx) Store row info from the given source.
void	storeByOffset(long pageAddr, int off, org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.IndexItem row) Store the needed info about the row in the page.

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

copyItems, getLeft, getMaxCount, getRight, initNewRoot, insert, offset, setLeft

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

canGetRow, getCount, getForward, getItemSize, getRemoveId, initNewPage, isLeaf, merge, remove, setCount, setForward, setRemoveId, splitExistingPage, splitForwardPage, store, visit

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<MetadataStorage.MetaStoreInnerIO> VERSIONS

Method Detail

storeByOffset

public void storeByOffset(long pageAddr,
                 int off,
                 org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.IndexItem row)
                   throws IgniteCheckedException

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

Specified by:

storeByOffset in class BPlusIO<org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.IndexItem>

Parameters:

pageAddr - Page address.

off - Offset in bytes.

row - Lookup or full row.

Throws:

IgniteCheckedException - If failed.

store

public void store(long dstPageAddr,
         int dstIdx,
         BPlusIO<org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.IndexItem> srcIo,
         long srcPageAddr,
         int srcIdx)
           throws IgniteCheckedException

Store row info from the given source.

Specified by:

store in class BPlusIO<org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.IndexItem>

Parameters:

dstPageAddr - Destination page address.

dstIdx - Destination index.

srcIo - Source IO.

srcPageAddr - Source page address.

srcIdx - Source index.

Throws:

IgniteCheckedException - If failed.

getLookupRow

public org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.IndexItem getLookupRow(BPlusTree<org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.IndexItem,?> tree,
                                                                                             long pageAddr,
                                                                                             int idx)
                                                                                               throws IgniteCheckedException

Get lookup row.

Specified by:

getLookupRow in class BPlusIO<org.apache.ignite.internal.processors.cache.persistence.MetadataStorage.IndexItem>

Parameters:

tree - Tree.

pageAddr - Page address.

idx - Index.

Returns:

Lookup row.

Throws:

IgniteCheckedException - If failed.

getOffset

public int getOffset(long pageAddr,
            int idx)

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Offset in buffer according to idx.