Package com.nt.udc.nar

Class NARStorageFile

java.lang.Object

com.nt.udc.util.ObjectStorageFile

com.nt.udc.nar.NARStorageFile

public class NARStorageFile
extends ObjectStorageFile

Field Summary

Fields inherited from class com.nt.udc.util.ObjectStorageFile

allocator, currentStorageSize, headers, headers_no_flag, invalid_flags, INVALID_OBJ, MAX_PARTITION_SIZE, maxPartitionSize, OBJ_HEADER, objectFile, partitioned, time_used, valid_flags, VALID_OBJ

Constructor Summary

Constructors

Constructor	Description
NARStorageFile(int count, File fileName, boolean newTable)

Method Summary

Modifier and Type	Method	Description
protected byte[]	getDataToBytes(int narLength)
protected byte[]	getObjectBytes()
static void	main(String[] args)	Prints out the NAR's in a NARStorageFile to standard out.
protected Object	objectFromBytes(byte[] bytes)	This method should return an Object, as created by the given bytes.
protected byte[]	objectToBytes(Object obj)	This method should return the Object in its byte[] format.
protected int	skipObjectBytes()

Methods inherited from class com.nt.udc.util.ObjectStorageFile

add, addBytes, allocatorReport, close, drop, get, getBytes, getNumObjects, getObjectFile, getSomeObjects, getValidOffsets, isEmpty, isNewFile, markDeletedBytes, open, remove, removeBytes, removeDelayedParsing, restoreFile, setPartition, setupWalker, setupWalker, toString, toString, update, walkFile

Methods inherited from class java.lang.Object

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

Constructor Details

NARStorageFile

public NARStorageFile(int count,
 File fileName,
 boolean newTable)

Method Details

getObjectBytes

protected byte[] getObjectBytes()
                         throws IOException

Throws:

IOException

getDataToBytes

protected byte[] getDataToBytes(int narLength)
                         throws IOException

Throws:

IOException

skipObjectBytes

protected int skipObjectBytes()
                       throws IOException

Throws:

IOException

objectFromBytes

protected Object objectFromBytes(byte[] bytes)

Description copied from class: ObjectStorageFile

This method should return an Object, as created by the given bytes. If, for whatever reason, the Object could not be created from these bytes, this method should return null.

Specified by:

objectFromBytes in class ObjectStorageFile

Parameters:

bytes - byte[] used to create the Object

Returns:

A valid Object, created from the bytes.

objectToBytes

protected byte[] objectToBytes(Object obj)

Description copied from class: ObjectStorageFile

This method should return the Object in its byte[] format.

Specified by:

objectToBytes in class ObjectStorageFile

Parameters:

obj - Object to convert to bytes.

Returns:

bytes of the Object

main

public static void main(String[] args)

Prints out the NAR's in a NARStorageFile to standard out. Arguments: args[0] - Path to NARStorageFile.