Package com.firebolt.jdbc.cache

Class FileService

java.lang.Object

com.firebolt.jdbc.cache.FileService

public class FileService
extends Object

Method Summary

Modifier and Type	Method	Description
File	findFileForKey(CacheKey cacheKey)	Returns true if the file exists.
static FileService	getInstance()
Optional<ConnectionCache>	readContent(CacheKey cacheKey, File cacheFile)
void	safelyDeleteFile(Path filePath)
void	safeSaveToDiskAsync(CacheKey cacheKey, ConnectionCache connectionCache)
boolean	wasFileCreatedBeforeTimestamp(File file, long value, ChronoUnit timeUnit)	From the current time we subtract the value passed in as parameter and compare it against the file creation time from disk The assumption is that the file exists.

Methods inherited from class java.lang.Object

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

Method Details

getInstance

public static FileService getInstance()

findFileForKey

public File findFileForKey(CacheKey cacheKey)
                    throws FilenameGenerationException

Returns true if the file exists. False otherwise

Parameters:

cacheKey - - the key for which we are looking for the file

Returns:

Throws:

FilenameGenerationException

safeSaveToDiskAsync

public void safeSaveToDiskAsync(CacheKey cacheKey,
 ConnectionCache connectionCache)

readContent

public Optional<ConnectionCache> readContent(CacheKey cacheKey,
 File cacheFile)
                                      throws ConnectionCacheDeserializationException

Throws:

ConnectionCacheDeserializationException

safelyDeleteFile

public void safelyDeleteFile(Path filePath)

wasFileCreatedBeforeTimestamp

public boolean wasFileCreatedBeforeTimestamp(File file,
 long value,
 ChronoUnit timeUnit)

From the current time we subtract the value passed in as parameter and compare it against the file creation time from disk The assumption is that the file exists.

Returns:

- true if the file was created before the specified time