biz.onixs.util.settings

Class FileBasedSettings

java.lang.Object

biz.onixs.util.settings.Settings

biz.onixs.util.settings.FileBasedSettings

public class FileBasedSettings
extends Settings

The Settings implementation backed with the file. The keys values are case-sensitive.

Constructor Summary

Constructors

Constructor and Description
FileBasedSettings(File stream)

Method Summary

Modifier and Type	Method and Description
void	close()
void	flush(boolean metadata) Flushes file data to stable storage.
File	getStream()
void	load()
void	setLong(String key, long value, boolean flush) Sets the value corresponding to the given key.

Methods inherited from class biz.onixs.util.settings.Settings

getBoolean, getBoolean, getInteger, getInteger, getLong, getLong, getString, getString, isDefined, setBoolean, setBoolean, setInteger, setInteger, setLong, setString, setString

Methods inherited from class java.lang.Object

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

Constructor Detail

FileBasedSettings

public FileBasedSettings(File stream)

Method Detail

getStream

public File getStream()

flush

public void flush(boolean metadata)
           throws IOException

Flushes file data to stable storage.
When metadata is true, both file data and metadata (e.g., file size) are forced to disk. When false, only file data is flushed.

Parameters:

metadata - whether file metadata should also be flushed

Throws:

IOException - if the flush operation fails

load

public void load()
          throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException

setLong

public void setLong(String key,
                    long value,
                    boolean flush)
             throws IOException

Description copied from class: Settings

Sets the value corresponding to the given key.

Overrides:

setLong in class Settings

Parameters:

key - key

value - value

flush - whether to save to persistent storage immediately

Throws:

IOException - if value storing failed