Package ucar.unidata.io.zarr

Class VirtualRandomAccessFile

java.lang.Object

ucar.unidata.io.zarr.VirtualRandomAccessFile

All Implemented Interfaces:

RandomAccessDirectoryItem

public class VirtualRandomAccessFile
extends Object
implements RandomAccessDirectoryItem

A wrapper for a RandomAccessFile that allows lazy loading

Constructor Summary

Constructors

Constructor	Description
VirtualRandomAccessFile(String location, long startIndex, long length, long lastModified, int bufferSize)

Method Summary

Modifier and Type	Method	Description
long	getLastModified()
String	getLocation()
RandomAccessFile	getOrOpenRaf()
RandomAccessFile	getRaf()
long	length()
long	startIndex()

Methods inherited from class java.lang.Object

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

Constructor Detail

VirtualRandomAccessFile

public VirtualRandomAccessFile(String location,
                               long startIndex,
                               long length,
                               long lastModified,
                               int bufferSize)

Method Detail

getLocation

public String getLocation()

Specified by:

getLocation in interface RandomAccessDirectoryItem

Returns:

location of directory item

startIndex

public long startIndex()

Specified by:

startIndex in interface RandomAccessDirectoryItem

Returns:

start index of item relative to directory

length

public long length()

Specified by:

length in interface RandomAccessDirectoryItem

Returns:

size of directory item

getLastModified

public long getLastModified()

Specified by:

getLastModified in interface RandomAccessDirectoryItem

Returns:

last modified time (in ms) of directory item

getRaf

public RandomAccessFile getRaf()

Specified by:

getRaf in interface RandomAccessDirectoryItem

Returns:

RandomAccessFile for directory item or null if unopened

getOrOpenRaf

public RandomAccessFile getOrOpenRaf()
                              throws IOException

Specified by:

getOrOpenRaf in interface RandomAccessDirectoryItem

Returns:

RandomAccessFile for directory item

Throws:

IOException