Java Doc for BtreeNode.java in  » Database-DBMS » h2database » org » h2 » index » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » h2database » org.h2.index 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.h2.index.BtreePage
   org.h2.index.BtreeNode

BtreeNode
public class BtreeNode extends BtreePage (Code)
An inner page of a b-tree index. Page format:
 N children.len children[0..len] data.len { data[0].pos [data[0]], ...  }
 



Constructor Summary
 BtreeNode(BtreeIndex index, DataPage s)
    
 BtreeNode(BtreeIndex index, BtreePage left, SearchRow pivot, BtreePage right)
    
 BtreeNode(BtreeIndex index, IntArray pageChildren, ObjectArray pageData)
    

Method Summary
public  intadd(Row newRow, Session session)
    
public  booleanfindFirst(BtreeCursor cursor, SearchRow compare, boolean bigger)
    
public  voidfirst(BtreeCursor cursor)
    
 intgetChild(int i)
    
protected  SearchRowgetData(int i)
    
 SearchRowgetFirst(Session session)
    
 SearchRowgetLast(Session session)
    
 intgetRealByteCount()
    
public  voidnext(BtreeCursor cursor, int i)
    
public  voidprepareWrite()
    
public  SearchRowremove(Session session, Row oldRow)
    
public  BtreePagesplit(Session session, int splitPoint)
    
public  voidwrite(DataPage buff)
    


Constructor Detail
BtreeNode
BtreeNode(BtreeIndex index, DataPage s) throws SQLException(Code)



BtreeNode
BtreeNode(BtreeIndex index, BtreePage left, SearchRow pivot, BtreePage right)(Code)



BtreeNode
BtreeNode(BtreeIndex index, IntArray pageChildren, ObjectArray pageData)(Code)




Method Detail
add
public int add(Row newRow, Session session) throws SQLException(Code)



findFirst
public boolean findFirst(BtreeCursor cursor, SearchRow compare, boolean bigger) throws SQLException(Code)



first
public void first(BtreeCursor cursor) throws SQLException(Code)



getChild
int getChild(int i)(Code)



getData
protected SearchRow getData(int i) throws SQLException(Code)



getFirst
SearchRow getFirst(Session session) throws SQLException(Code)



getLast
SearchRow getLast(Session session) throws SQLException(Code)



getRealByteCount
int getRealByteCount() throws SQLException(Code)



next
public void next(BtreeCursor cursor, int i) throws SQLException(Code)



prepareWrite
public void prepareWrite() throws SQLException(Code)



remove
public SearchRow remove(Session session, Row oldRow) throws SQLException(Code)



split
public BtreePage split(Session session, int splitPoint) throws SQLException(Code)



write
public void write(DataPage buff) throws SQLException(Code)



Fields inherited from org.h2.index.BtreePage
final protected static int BLOCKS_PER_PAGE(Code)(Java Doc)
protected BtreeIndex index(Code)(Java Doc)
protected ObjectArray pageData(Code)(Java Doc)
protected boolean root(Code)(Java Doc)

Methods inherited from org.h2.index.BtreePage
abstract int add(Row row, Session session) throws SQLException(Code)(Java Doc)
abstract boolean findFirst(BtreeCursor cursor, SearchRow row, boolean bigger) throws SQLException(Code)(Java Doc)
abstract void first(BtreeCursor cursor) throws SQLException(Code)(Java Doc)
public int getByteCount(DataPage dummy) throws SQLException(Code)(Java Doc)
SearchRow getData(int i) throws SQLException(Code)(Java Doc)
abstract SearchRow getFirst(Session session) throws SQLException(Code)(Java Doc)
abstract SearchRow getLast(Session session) throws SQLException(Code)(Java Doc)
abstract int getRealByteCount() throws SQLException(Code)(Java Doc)
int getRowSize(DataPage dummy, SearchRow row) throws SQLException(Code)(Java Doc)
int getSplitPoint() throws SQLException(Code)(Java Doc)
public boolean isEmpty()(Code)(Java Doc)
public boolean isPinned()(Code)(Java Doc)
abstract void next(BtreeCursor cursor, int i) throws SQLException(Code)(Java Doc)
abstract SearchRow remove(Session session, Row row) throws SQLException(Code)(Java Doc)
void setRoot(boolean root)(Code)(Java Doc)
abstract BtreePage split(Session session, int splitPoint) throws SQLException(Code)(Java Doc)

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