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

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

public class VectorFileRandomAccess
extends Object

Vector File random access

Author:

UoA

Constructor Summary

VectorFileRandomAccess(VAFileParams params)
Creates a new instance

Method Summary

void	close() Closes
void	moveTo(long recNum) Move to the specified record
void	open() Opens
VectorFileEntry	read() Reads an entry
void	write(VectorFileEntry entry) Writes an entry

Methods inherited from class java.lang.Object

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

Constructor Detail

VectorFileRandomAccess

public VectorFileRandomAccess(VAFileParams params)
                       throws Exception

Creates a new instance

Parameters:

params - Teh VAFile parameters

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

Move to the specified record

Parameters:

recNum - The record number

Throws:

Exception - An error

write

public void write(VectorFileEntry entry)
           throws Exception

Writes an entry

Parameters:

entry - The entry

Throws:

Exception - An error

read

public VectorFileEntry read()
                     throws Exception

Reads an entry

Returns:

The entry

Throws:

Exception - An error

close

public void close()
           throws Exception

Closes

Throws:

Exception - An error