类的使用
org.h2.mvstore.Page

使用Page的程序包

程序包	说明
org.h2.mvstore	A persistent storage for tree maps.
org.h2.mvstore.rtree	An R-tree implementation

org.h2.mvstore中Page的使用

声明为Page的org.h2.mvstore中的字段

限定符和类型	字段和说明
Page<K,V>	CursorPos.page The page at the current level.
Page<K,V>	CursorPos.page The page at the current level.
Page<K,V>	RootReference.root The root page.
Page<K,V>	RootReference.root The root page.

返回Page的org.h2.mvstore中的方法

限定符和类型	方法和说明
protected Page<K,V>	Page.clone()
protected Page<K,V>	Page.clone()
Page<K,V>	Page.copy() Create a copy of this page.
Page<K,V>	Page.copy() Create a copy of this page.
protected Page<K,V>	MVMap.createEmptyLeaf() Create empty leaf node page.
protected Page<K,V>	MVMap.createEmptyLeaf() Create empty leaf node page.
protected Page<K,V>	MVMap.createEmptyNode() Create empty internal node page.
protected Page<K,V>	MVMap.createEmptyNode() Create empty internal node 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.
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.
abstract Page<K,V>	Page.getChildPage(int index) Get the child page at the given index.
Page<K,V>	Page.PageReference.getPage()
Page<K,V>	Page.PageReference.getPage()
Page<K,V>	MVMap.getRootPage() The current root page (may not be null).
Page<K,V>	MVMap.getRootPage() The current root page (may not be null).

返回变量类型为Page的类型的org.h2.mvstore中的方法

限定符和类型	方法和说明
CacheLongKeyLIRS<Page<?,?>>	MVStore.getCache() Get the cache.
CacheLongKeyLIRS<Page<?,?>>	MVStore.getCache() Get the cache.

参数类型为Page的org.h2.mvstore中的方法

限定符和类型	方法和说明
V	MVMap.get(Page<K,V> p, K key) Get the value for the given key from a snapshot, or null if not found.
V	MVMap.get(Page<K,V> p, K key) Get the value for the given key from a snapshot, or null if not found.
protected int	MVMap.getChildPageCount(Page<K,V> p) Get the child page count for this page.
protected int	MVMap.getChildPageCount(Page<K,V> p) Get the child page count for this page.
abstract void	Page.insertNode(int index, K key, Page<K,V> childPage) Insert a child page into this node.
abstract void	Page.insertNode(int index, K key, Page<K,V> childPage) Insert a child page into this node.
abstract void	Page.setChild(int index, Page<K,V> c) Replace the child page.
abstract void	Page.setChild(int index, Page<K,V> c) Replace the child page.
protected RootReference<K,V>	MVMap.unlockRoot(Page<K,V> newRootPage) Unlock the root page.
protected RootReference<K,V>	MVMap.unlockRoot(Page<K,V> newRootPage) Unlock the root page.
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.
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.

参数类型为Page的org.h2.mvstore中的构造器

构造器和说明
CursorPos(Page<K,V> page, int index, CursorPos<K,V> parent)
CursorPos(Page<K,V> page, int index, CursorPos<K,V> parent)
PageReference(Page<K,V> page)
PageReference(Page<K,V> page)

org.h2.mvstore.rtree中Page的使用

参数类型为Page的org.h2.mvstore.rtree中的方法

限定符和类型	方法和说明
void	MVRTreeMap.addNodeKeys(ArrayList<Spatial> list, Page<Spatial,V> p) Add all node keys (including internal bounds) to the given list.
void	MVRTreeMap.addNodeKeys(ArrayList<Spatial> list, Page<Spatial,V> p) Add all node keys (including internal bounds) to the given list.
V	MVRTreeMap.get(Page<Spatial,V> p, Spatial key) Get the object for the given key.
V	MVRTreeMap.get(Page<Spatial,V> p, Spatial key) Get the object for the given key.
protected int	MVRTreeMap.getChildPageCount(Page<Spatial,V> p)
protected int	MVRTreeMap.getChildPageCount(Page<Spatial,V> p)

参数类型为Page的org.h2.mvstore.rtree中的构造器

构造器和说明
RTreeCursor(Page<Spatial,V> root, Spatial filter)
RTreeCursor(Page<Spatial,V> root, Spatial filter)