org.apache.ignite.internal.processors.query.h2.database

Class H2Tree

java.lang.Object

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

org.apache.ignite.internal.processors.cache.persistence.tree.BPlusTree<org.h2.result.SearchRow,GridH2Row>

org.apache.ignite.internal.processors.query.h2.database.H2Tree

All Implemented Interfaces:

PageLockListener, IgniteTree<org.h2.result.SearchRow,GridH2Row>

public abstract class H2Tree
extends BPlusTree<org.h2.result.SearchRow,GridH2Row>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.ignite.internal.processors.cache.persistence.tree.BPlusTree

BPlusTree.DestroyBag, BPlusTree.TreeRowClosure<L,T extends L>

Nested classes/interfaces inherited from interface org.apache.ignite.internal.util.IgniteTree

IgniteTree.InvokeClosure<T>, IgniteTree.OperationType

Field Summary

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

metaPageId

Fields inherited from class org.apache.ignite.internal.processors.cache.persistence.DataStructure

grpId, pageMem, reuseList, rnd, wal

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	H2Tree(String name, ReuseList reuseList, int grpId, PageMemory pageMem, IgniteWriteAheadLogManager wal, AtomicLong globalRmvId, H2RowFactory rowStore, long metaPageId, boolean initNew, org.h2.table.IndexColumn[] cols, List<InlineIndexHelper> inlineIdxs, int inlineSize, H2RowCache rowCache) Constructor.

Method Summary

Modifier and Type	Method and Description
protected int	compare(BPlusIO<org.h2.result.SearchRow> io, long pageAddr, int idx, org.h2.result.SearchRow row)
int	compareRows(org.h2.result.SearchRow r1, org.h2.result.SearchRow r2) Compares two H2 rows.
abstract int	compareValues(org.h2.value.Value v1, org.h2.value.Value v2)
GridH2Row	createRowFromLink(long link) Create row from link.
protected GridH2Row	getRow(BPlusIO<org.h2.result.SearchRow> io, long pageAddr, int idx, Object filter)

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

compare, destroy, destroy, find, find, findFirst, findLast, findOne, findOne, getFirstPageIds, getLockRetries, getName, getRow, initTree, initTree, interruptAll, invoke, latestInnerIO, latestLeafIO, printTree, put, putx, remove, removex, rootLevel, setIos, size, size, toString, treeName, validateTree

Methods inherited from class org.apache.ignite.internal.processors.cache.persistence.DataStructure

acquirePage, allocatePage, allocatePage, allocatePageNoReuse, groupId, init, needWalDeltaRecord, onBeforeReadLock, onBeforeWriteLock, onReadLock, onReadUnlock, onWriteLock, onWriteUnlock, pageSize, randomInt, read, read, readLock, readUnlock, recyclePage, releasePage, tryWriteLock, write, write, write, write, writeLock, writeUnlock, writeUnlock

Methods inherited from class java.lang.Object

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

Constructor Detail

H2Tree

protected H2Tree(String name,
                 ReuseList reuseList,
                 int grpId,
                 PageMemory pageMem,
                 IgniteWriteAheadLogManager wal,
                 AtomicLong globalRmvId,
                 H2RowFactory rowStore,
                 long metaPageId,
                 boolean initNew,
                 org.h2.table.IndexColumn[] cols,
                 List<InlineIndexHelper> inlineIdxs,
                 int inlineSize,
                 @Nullable
                 H2RowCache rowCache)
          throws IgniteCheckedException

Constructor.

Parameters:

name - Tree name.

reuseList - Reuse list.

grpId - Cache group ID.

pageMem - Page memory.

wal - Write ahead log manager.

rowStore - Row data store.

metaPageId - Meta page ID.

initNew - Initialize new index.

rowCache - Row cache.

Throws:

IgniteCheckedException - If failed.

Method Detail

createRowFromLink

public GridH2Row createRowFromLink(long link)
                            throws IgniteCheckedException

Create row from link.

Parameters:

link - Link.

Returns:

Row.

Throws:

IgniteCheckedException - if failed.

getRow

protected GridH2Row getRow(BPlusIO<org.h2.result.SearchRow> io,
                           long pageAddr,
                           int idx,
                           Object filter)
                    throws IgniteCheckedException

Specified by:

getRow in class BPlusTree<org.h2.result.SearchRow,GridH2Row>

Throws:

IgniteCheckedException

compare

protected int compare(BPlusIO<org.h2.result.SearchRow> io,
                      long pageAddr,
                      int idx,
                      org.h2.result.SearchRow row)
               throws IgniteCheckedException

Specified by:

compare in class BPlusTree<org.h2.result.SearchRow,GridH2Row>

Throws:

IgniteCheckedException

compareRows

public int compareRows(org.h2.result.SearchRow r1,
                       org.h2.result.SearchRow r2)

Compares two H2 rows.

Parameters:

r1 - Row 1.

r2 - Row 2.

Returns:

Compare result: see Comparator.compare(Object, Object) for values.

compareValues

public abstract int compareValues(org.h2.value.Value v1,
                                  org.h2.value.Value v2)

Parameters:

v1 - First value.

v2 - Second value.

Returns:

Comparison result.