org.gcube.indexmanagement.featureindexlibrary.vafile.io
Class ApproximationFileRandomAccess

java.lang.Object
  org.gcube.indexmanagement.featureindexlibrary.vafile.io.ApproximationFileRandomAccess

public class ApproximationFileRandomAccess
extends Object

Random access helper

Author:

diligent

Constructor Summary

ApproximationFileRandomAccess(VAFileParams params)
Creates a new instance

Method Summary

void	close() Closes
void	moveTo(long recNum) Moves to the specified entry
void	open() Opens
ApproximationFileEntry	read() Reads an entry
void	write(ApproximationFileEntry entry) Writer the specified entry

Methods inherited from class java.lang.Object

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

Constructor Detail

ApproximationFileRandomAccess

public ApproximationFileRandomAccess(VAFileParams params)
                              throws Exception

Creates a new instance

Parameters:

params - The VAFile header params

Throws:

Exception - An error

Method Detail

open

public void open()
          throws Exception

Opens

Throws:

Exception - An error

moveTo

public void moveTo(long recNum)
            throws Exception

Moves to the specified entry

Parameters:

recNum - The number of entry

Throws:

Exception - An error

write

public void write(ApproximationFileEntry entry)
           throws Exception

Writer the specified entry

Parameters:

entry - The entry

Throws:

Exception - An error

read

public ApproximationFileEntry read()

Reads an entry

Returns:

The entry

close

public void close()
           throws Exception

Closes

Throws:

Exception - An error