org.gcube.indexmanagement.featureindexlibrary.commons
Class FileHelper

java.lang.Object
  org.gcube.indexmanagement.featureindexlibrary.commons.FileHelper

public class FileHelper
extends Object

Helper class

Author:

UoA

Constructor Summary

FileHelper()

Method Summary

static boolean	existsFullScanBufferFile(String storage, String indexID) Checks if the full scan buffer file exists
static boolean	existsFullScanFile(String storage, String indexID) Checks if the full scan file exists
static boolean	existsVAFApproxFile(String storage, String indexID) Checks if the VA approximations file exists
static boolean	existsVAFBufferFile(String storage, String indexID) Checks if the VA buffer file exists
static boolean	existsVAFVectorFile(String storage, String indexID) Checks if the VA vector file exists
static String	getFullScanBufferFile(String storage, String indexID) Retrieves the full scan buffer file
static String	getFullScanFile(String storage, String indexID) Retrieves the full scan file
static String	getVAFApproxFile(String storage, String indexID) Retrieves the VA approximation file
static String	getVAFBufferFile(String storage, String indexID) Retrieves the VA buffer file
static String	getVAFVectorFile(String storage, String indexID) Retrieves the VA vector file
static boolean	removeFullScanBufferFile(String storage, String indexID) removes the full scan file
static boolean	removeVAFBufferFile(String storage, String indexID) Removes the VA buffer file

Methods inherited from class java.lang.Object

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

Constructor Detail

FileHelper

public FileHelper()

Method Detail

existsFullScanFile

public static boolean existsFullScanFile(String storage,
                                         String indexID)

Checks if the full scan file exists

Parameters:

storage - The storage location

indexID - The index id

Returns:

true if it exists, false otherwise

existsFullScanBufferFile

public static boolean existsFullScanBufferFile(String storage,
                                               String indexID)

Checks if the full scan buffer file exists

Parameters:

storage - The storage location

indexID - The index id

Returns:

true if it exists, false otherwise

getFullScanFile

public static String getFullScanFile(String storage,
                                     String indexID)

Retrieves the full scan file

Parameters:

storage - The storage location

indexID - The index id

Returns:

the file path

getFullScanBufferFile

public static String getFullScanBufferFile(String storage,
                                           String indexID)

Retrieves the full scan buffer file

Parameters:

storage - The storage location

indexID - The index id

Returns:

the file path

removeFullScanBufferFile

public static boolean removeFullScanBufferFile(String storage,
                                               String indexID)

removes the full scan file

Parameters:

storage - The storage location

indexID - The index id

Returns:

wheter or not the file was deleted

existsVAFBufferFile

public static boolean existsVAFBufferFile(String storage,
                                          String indexID)

Checks if the VA buffer file exists

Parameters:

storage - The storage location

indexID - The index id

Returns:

true if it exists, false otherwise

existsVAFVectorFile

public static boolean existsVAFVectorFile(String storage,
                                          String indexID)

Checks if the VA vector file exists

Parameters:

storage - The storage location

indexID - The index id

Returns:

true if it exists, false otherwise

existsVAFApproxFile

public static boolean existsVAFApproxFile(String storage,
                                          String indexID)

Checks if the VA approximations file exists

Parameters:

storage - The storage location

indexID - The index id

Returns:

true if it exists, false otherwise

getVAFBufferFile

public static String getVAFBufferFile(String storage,
                                      String indexID)

Retrieves the VA buffer file

Parameters:

storage - The storage location

indexID - The index id

Returns:

the file path

getVAFVectorFile

public static String getVAFVectorFile(String storage,
                                      String indexID)

Retrieves the VA vector file

Parameters:

storage - The storage location

indexID - The index id

Returns:

the file path

getVAFApproxFile

public static String getVAFApproxFile(String storage,
                                      String indexID)

Retrieves the VA approximation file

Parameters:

storage - The storage location

indexID - The index id

Returns:

the file path

removeVAFBufferFile

public static boolean removeVAFBufferFile(String storage,
                                          String indexID)

Removes the VA buffer file

Parameters:

storage - The storage location

indexID - The index id

Returns:

wheter or not the file was deleted