Uses of Class
org.h2.mvstore.Page

Packages that use Page

Package	Description
org.h2.mvstore	A persistent storage for tree maps.
org.h2.mvstore.db	Helper classes to use the MVStore in the H2 database.
org.h2.mvstore.rtree	An R-tree implementation

Uses of Page in org.h2.mvstore

Subclasses of Page in org.h2.mvstore

Modifier and Type	Class	Description
private static class	Page.IncompleteNonLeaf<K,V>
private static class	Page.Leaf<K,V>
private static class	Page.NonLeaf<K,V>

Fields in org.h2.mvstore declared as Page

Modifier and Type	Field	Description
private Page<K,V>	Cursor.lastPage
Page<K,V>	CursorPos.page	The page at the current level.
private Page<K,V>	Page.PageReference.page	The page, if in memory, or null.
final Page<K,V>	RootReference.root	The root page.

Fields in org.h2.mvstore with type parameters of type Page

Modifier and Type	Field	Description
private final CacheLongKeyLIRS<Page<?,?>>	MVStore.cache	The page cache.
private static final AtomicLongFieldUpdater<Page>	Page.posUpdater	Updater for pos field, which can be updated when page is saved, but can be concurrently marked as removed

Methods in org.h2.mvstore that return Page

Modifier and Type	Method	Description
protected final Page<K,V>	Page.clone()
final Page<K,V>	Page.copy()	Create a copy of this page.
(package private) abstract Page<K,V>	Page.copy(MVMap<K,V> map, boolean eraseChildrenRefs)	Create a copy of this page with potentially different owning map.
Page<K,V>	Page.Leaf.copy(MVMap<K,V> map, boolean eraseChildrenRefs)
Page<K,V>	Page.NonLeaf.copy(MVMap<K,V> map, boolean eraseChildrenRefs)
protected Page<K,V>	MVMap.createEmptyLeaf()	Create empty leaf node page.
(package private) static <K,V> Page<K,V>	Page.createEmptyLeaf(MVMap<K,V> map)	Create a new, empty leaf page.
protected Page<K,V>	MVMap.createEmptyNode()	Create empty internal node page.
(package private) static <K,V> Page<K,V>	Page.createEmptyNode(MVMap<K,V> map)	Create a new, empty internal node page.
(package private) static <K,V> Page<K,V>	Page.createLeaf(MVMap<K,V> map, K[] keys, V[] values, int memory)	Create a new leaf page.
static <K,V> Page<K,V>	Page.createNode(MVMap<K,V> map, K[] keys, Page.PageReference<K,V>[] children, long totalCount, int memory)	Create a new non-leaf page.
abstract Page<K,V>	Page.getChildPage(int index)	Get the child page at the given index.
Page<K,V>	Page.Leaf.getChildPage(int index)
Page<K,V>	Page.NonLeaf.getChildPage(int index)
(package private) Page<K,V>	Cursor.getPage()	Get the page where last retrieved key is located.
Page<K,V>	Page.PageReference.getPage()
final Page<K,V>	MVMap.getRootPage()	The current root page (may not be null).
(package private) static <K,V> Page<K,V>	Page.read(ByteBuffer buff, long pos, MVMap<K,V> map)	Read a page.
private Page<K,V>	MVMap.readOrCreateRootPage(long rootPos)
(package private) final Page<K,V>	MVMap.readPage(long pos)	Read a page.
(package private) <K,V> Page<K,V>	MVStore.readPage(MVMap<K,V> map, long pos)	Read a page.
private <K,V> Page<K,V>	MVStore.readPageFromCache(long pos)
private static <K,V> Page<K,V>	MVMap.replacePage(CursorPos<K,V> path, Page<K,V> replacement, MVMap.IntValueHolder unsavedMemoryHolder)
Page<K,V>	Page.Leaf.split(int at)
Page<K,V>	Page.NonLeaf.split(int at)
(package private) abstract Page<K,V>	Page.split(int at)	Split the page.

Methods in org.h2.mvstore that return types with arguments of type Page

Modifier and Type	Method	Description
private ArrayList<Page<?,?>>	MVStore.collectChangedMapRoots(long version)
CacheLongKeyLIRS<Page<?,?>>	MVStore.getCache()	Get the cache.

Methods in org.h2.mvstore with parameters of type Page

Modifier and Type	Method	Description
(package private) void	MVStore.cachePage(Page<?,?> page)	Put the page in the cache.
private void	MVMap.copy(Page<K,V> source, Page<K,V> parent, int index)
V	MVMap.get(Page<K,V> p, K key)	Get the value for the given key from a snapshot, or null if not found.
(package private) static <K,V> V	Page.get(Page<K,V> p, K key)	Get the value for the given key, or null if not found.
protected int	MVMap.getChildPageCount(Page<K,V> p)	Get the child page count for this page.
private K	MVMap.getFirstLast(Page<K,V> p, boolean first)
private K	MVMap.getMinMax(Page<K,V> p, K key, boolean min, boolean excluding)
abstract void	Page.insertNode(int index, K key, Page<K,V> childPage)	Insert a child page into this node.
void	Page.Leaf.insertNode(int index, K key, Page<K,V> childPage)
void	Page.NonLeaf.insertNode(int index, K key, Page<K,V> childPage)
private MVMap<K,V>	MVMap.openReadOnly(Page<K,V> root, long version)
private static <K,V> Page<K,V>	MVMap.replacePage(CursorPos<K,V> path, Page<K,V> replacement, MVMap.IntValueHolder unsavedMemoryHolder)
void	Page.Leaf.setChild(int index, Page<K,V> c)
void	Page.NonLeaf.setChild(int index, Page<K,V> c)
abstract void	Page.setChild(int index, Page<K,V> c)	Replace the child page.
(package private) final void	MVMap.setInitialRoot(Page<K,V> rootPage, long version)	Set the initial root.
(package private) static <K,V> CursorPos<K,V>	Cursor.traverseDown(Page<K,V> page, K key, boolean reverse)	Fetch the next entry that is equal or larger than the given key, starting from the given page.
(package private) static <K,V> CursorPos<K,V>	CursorPos.traverseDown(Page<K,V> page, K key)	Searches for a given key and creates a breadcrumb trail through a B-tree rooted at a given Page.
protected RootReference<K,V>	MVMap.unlockRoot(Page<K,V> newRootPage)	Unlock the root page.
private RootReference<K,V>	MVMap.unlockRoot(Page<K,V> newRootPage, int appendCounter)
(package private) RootReference<K,V>	RootReference.updatePageAndLockedStatus(Page<K,V> page, boolean keepLocked, int appendCounter)	Update the page, possibly keeping it locked.
protected static <K,V> boolean	MVMap.updateRoot(RootReference<K,V> expectedRootReference, Page<K,V> newRootPage, int attemptUpdateCounter)	Use the new root page from now on.
(package private) RootReference<K,V>	RootReference.updateRootPage(Page<K,V> newRootPage, long attemptCounter)	Try to unlock.
private static <K,V> int	Cursor.upperBound(Page<K,V> page)

Method parameters in org.h2.mvstore with type arguments of type Page

Modifier and Type	Method	Description
private void	MVStore.serializeAndStore(boolean syncRun, long reservedLow, Supplier<Long> reservedHighSupplier, ArrayList<Page<?,?>> changed, long time, long version)
private void	MVStore.serializeToBuffer(WriteBuffer buff, ArrayList<Page<?,?>> changed, Chunk c, long reservedLow, Supplier<Long> reservedHighSupplier)
private void	MVStore.storeBuffer(Chunk c, WriteBuffer buff, ArrayList<Page<?,?>> changed)

Constructors in org.h2.mvstore with parameters of type Page

Modifier	Constructor	Description
	CursorPos(Page<K,V> page, int index, CursorPos<K,V> parent)
(package private)	Page(MVMap<K,V> map, Page<K,V> source)
	PageReference(Page<K,V> page)
private	PageReference(Page<K,V> page, long pos, long count)
(package private)	RootReference(Page<K,V> root, long version)
private	RootReference(RootReference<K,V> r, Page<K,V> root, boolean keepLocked, int appendCounter)
private	RootReference(RootReference<K,V> r, Page<K,V> root, long updateAttemptCounter)

Uses of Page in org.h2.mvstore.db

Constructors in org.h2.mvstore.db with parameters of type Page

Modifier	Constructor	Description
(package private)	FindBoundsCursor(Page<Spatial, VersionedValue<Value>> root, Spatial filter, SessionLocal session, TransactionMap<Spatial,Value> map, int columnId)

Uses of Page in org.h2.mvstore.rtree

Fields in org.h2.mvstore.rtree declared as Page

Modifier and Type	Field	Description
private final Page<Spatial,V>	MVRTreeMap.RTreeCursor.root

Methods in org.h2.mvstore.rtree that return Page

Modifier and Type	Method	Description
private Page<Spatial,V>	MVRTreeMap.newPage(boolean leaf)
private Page<Spatial,V>	MVRTreeMap.split(Page<Spatial,V> p)
private Page<Spatial,V>	MVRTreeMap.splitLinear(Page<Spatial,V> p)
private Page<Spatial,V>	MVRTreeMap.splitQuadratic(Page<Spatial,V> p)

Methods in org.h2.mvstore.rtree with parameters of type Page

Modifier and Type	Method	Description
void	MVRTreeMap.addNodeKeys(ArrayList<Spatial> list, Page<Spatial,V> p)	Add all node keys (including internal bounds) to the given list.
private boolean	MVRTreeMap.contains(Page<Spatial,V> p, int index, Object key)
V	MVRTreeMap.get(Page<Spatial,V> p, Spatial key)	Get the object for the given key.
private Spatial	MVRTreeMap.getBounds(Page<Spatial,V> x)
protected int	MVRTreeMap.getChildPageCount(Page<Spatial,V> p)
private static <V> void	MVRTreeMap.move(Page<Spatial,V> source, Page<Spatial,V> target, int sourceIndex)
private V	MVRTreeMap.operate(Page<Spatial,V> p, Spatial key, V value, MVMap.DecisionMaker<? super V> decisionMaker, Collection<Page<Spatial,V>> removedPages)
private Page<Spatial,V>	MVRTreeMap.split(Page<Spatial,V> p)
private Page<Spatial,V>	MVRTreeMap.splitLinear(Page<Spatial,V> p)
private Page<Spatial,V>	MVRTreeMap.splitQuadratic(Page<Spatial,V> p)

Method parameters in org.h2.mvstore.rtree with type arguments of type Page

Modifier and Type	Method	Description
private V	MVRTreeMap.operate(Page<Spatial,V> p, Spatial key, V value, MVMap.DecisionMaker<? super V> decisionMaker, Collection<Page<Spatial,V>> removedPages)

Constructors in org.h2.mvstore.rtree with parameters of type Page

Modifier	Constructor	Description
	ContainsRTreeCursor(Page<Spatial,V> root, Spatial filter, SpatialDataType keyType)
	IntersectsRTreeCursor(Page<Spatial,V> root, Spatial filter, SpatialDataType keyType)
protected	RTreeCursor(Page<Spatial,V> root, Spatial filter)