com.ibm.di.btree
Class DBFile

java.lang.Object
  com.ibm.di.btree.DBFile

public class DBFile
extends Object

Field Summary

long	last_offset

Constructor Summary

DBFile(String dbPath)

DBFile(String dbPath, Log log)

Method Summary

void	close()
int	computeSize(Object obj)
void	delete(Object key)
void	dumpDB(PrintStream out)
void	dumpDBStats(PrintStream out)
void	dumpStructure(PrintStream out, DBFile db, DBNode node, String indent)
void	dumpTree(String indent, DBFile db, DBNode node)
int	getBlockSize(long offset)
DBEmptyBlock	getEmptyBlock(Object obj)
DBEnumeration	getKeys()
int	getObjectSize(long offset)
Object	getProperty(Object p1)
DBNode	getRoot()
DBEnumeration	getValues()
void	insert(Object key, Object data)
boolean	isRoot(DBNode node)
void	logmsg(char debuglevel, String msg)
void	logmsg(String msg)
void	markEmpty(long offset)
void	printNode(long offset)
void	printNodeData(PrintStream out)
Object	readDataNode(long offset)
void	replace(Object key, Object value)
long	replaceObject(long offset, Object obj)
Object	search(Object key)
void	setProperty(Object p1, Object p2)
long	writeDataNode(long offset, Object obj)
long	writeDataNode(long offset, Object obj, int cursize)

Methods inherited from class java.lang.Object

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

Field Detail

last_offset

public long last_offset

Constructor Detail

DBFile

public DBFile(String dbPath)
       throws Exception

Throws:

Exception

DBFile

public DBFile(String dbPath,
              Log log)
       throws Exception

Throws:

Exception

Method Detail

close

public void close()
           throws IOException

Throws:

IOException

logmsg

public void logmsg(String msg)

logmsg

public void logmsg(char debuglevel,
                   String msg)

getRoot

public DBNode getRoot()
               throws Exception

Throws:

Exception

isRoot

public boolean isRoot(DBNode node)

readDataNode

public Object readDataNode(long offset)
                    throws Exception

Throws:

Exception

writeDataNode

public long writeDataNode(long offset,
                          Object obj)
                   throws Exception

Throws:

Exception

writeDataNode

public long writeDataNode(long offset,
                          Object obj,
                          int cursize)
                   throws Exception

Throws:

Exception

replaceObject

public long replaceObject(long offset,
                          Object obj)
                   throws Exception

Throws:

Exception

markEmpty

public void markEmpty(long offset)
               throws Exception

Throws:

Exception

getEmptyBlock

public DBEmptyBlock getEmptyBlock(Object obj)
                           throws Exception

Throws:

Exception

getBlockSize

public int getBlockSize(long offset)
                 throws Exception

Throws:

Exception

getObjectSize

public int getObjectSize(long offset)
                  throws IOException

Throws:

IOException

computeSize

public int computeSize(Object obj)
                throws IOException

Throws:

IOException

insert

public void insert(Object key,
                   Object data)
            throws Exception

Throws:

Exception

search

public Object search(Object key)
              throws Exception

Throws:

Exception

delete

public void delete(Object key)
            throws Exception

Throws:

Exception

replace

public void replace(Object key,
                    Object value)
             throws Exception

Throws:

Exception

getKeys

public DBEnumeration getKeys()
                      throws Exception

Throws:

Exception

getValues

public DBEnumeration getValues()
                        throws Exception

Throws:

Exception

getProperty

public Object getProperty(Object p1)
                   throws Exception

Throws:

Exception

setProperty

public void setProperty(Object p1,
                        Object p2)
                 throws Exception

Throws:

Exception

dumpTree

public void dumpTree(String indent,
                     DBFile db,
                     DBNode node)
              throws Exception

Throws:

Exception

dumpDB

public void dumpDB(PrintStream out)
            throws Exception

Throws:

Exception

printNode

public void printNode(long offset)
               throws Exception

Throws:

Exception

printNodeData

public void printNodeData(PrintStream out)
                   throws Exception

Throws:

Exception

dumpDBStats

public void dumpDBStats(PrintStream out)
                 throws Exception

Throws:

Exception

dumpStructure

public void dumpStructure(PrintStream out,
                          DBFile db,
                          DBNode node,
                          String indent)
                   throws Exception

Throws:

Exception