Package org.gorpipe.gor.clients

Class LocalFileCacheClient

java.lang.Object

org.gorpipe.gor.clients.LocalFileCacheClient

All Implemented Interfaces:

AutoCloseable, org.gorpipe.client.FileCache

Direct Known Subclasses:

NoCacheFileCacheClient

public class LocalFileCacheClient
extends Object
implements org.gorpipe.client.FileCache

Local implementation of file cache client working directly against the file system. This can be used for non server implementations of file cache.

Constructor Summary

Constructors

Constructor	Description
LocalFileCacheClient(org.gorpipe.gor.model.DriverBackedFileReader fileReader, String rootPath)
LocalFileCacheClient(org.gorpipe.gor.model.DriverBackedFileReader fileReader, String rootPath, boolean useSubFolders, int subFolderSize)	Constructs an instance of local file cache.

Method Summary

Modifier and Type	Method	Description
void	close()
String	lookupFile(String fingerprint)
String[]	multiLookup(String[] fingerprints, boolean defer)
String	store(Path from, String fingerprint, String ext, long cost)
String	storeSibling(Path path, String fingerprint)
String	storeWithSpecificCacheFilename(Path path, String fingerprint, String cacheFilename, long cost)
String	tempLocation(String fingerprint, String ext)

Methods inherited from class java.lang.Object

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

Constructor Details

LocalFileCacheClient

public LocalFileCacheClient(org.gorpipe.gor.model.DriverBackedFileReader fileReader,
 String rootPath,
 boolean useSubFolders,
 int subFolderSize)

Constructs an instance of local file cache. If sub folders are used the first subFolderSize letters of the fingerprint are used to create a sub folder storing the result file.

Parameters:

rootPath - File cache location

useSubFolders - Inserts sub folders for fingerprints.

subFolderSize - Insers sub folders for fingerprints.

LocalFileCacheClient

public LocalFileCacheClient(org.gorpipe.gor.model.DriverBackedFileReader fileReader,
 String rootPath)

Method Details

lookupFile

public String lookupFile(String fingerprint)

Specified by:

lookupFile in interface org.gorpipe.client.FileCache

store

public String store(Path from,
 String fingerprint,
 String ext,
 long cost)

Specified by:

store in interface org.gorpipe.client.FileCache

storeWithSpecificCacheFilename

public String storeWithSpecificCacheFilename(Path path,
 String fingerprint,
 String cacheFilename,
 long cost)

Specified by:

storeWithSpecificCacheFilename in interface org.gorpipe.client.FileCache

storeSibling

public String storeSibling(Path path,
 String fingerprint)

Specified by:

storeSibling in interface org.gorpipe.client.FileCache

tempLocation

public String tempLocation(String fingerprint,
 String ext)

Specified by:

tempLocation in interface org.gorpipe.client.FileCache

multiLookup

public String[] multiLookup(String[] fingerprints,
 boolean defer)

Specified by:

multiLookup in interface org.gorpipe.client.FileCache

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception