FilePathUnstable

java.lang.Object

org.h2.store.fs.FilePath

org.h2.store.fs.FilePathWrapper

org.h2.test.utils.FilePathUnstable

public class FilePathUnstable extends FilePathWrapper

An unstable file system. It is used to simulate file system problems (for example out of disk space).

Field Summary

Fields inherited from class org.h2.store.fs.FilePath
name
Constructor Summary

Constructors

Constructor

Description

FilePathUnstable()
Method Summary

Modifier and Type

Method

Description

int

getDiskFullCount()

String

getScheme()

Get the scheme (prefix) for this file provider.

FileChannel

open(String mode)

Open a random access file object.

static FilePathUnstable

register()

Register the file system.

void

setDiskFullCount(int count, int seed)

Set the number of write operations before the disk is full, and the random seed (for partial writes).

void

setPartialWrites(boolean partialWrites)

Whether partial writes are possible (writing only part of the data).

Methods inherited from class org.h2.store.fs.FilePathWrapper
canWrite, createDirectory, createFile, createTempFile, delete, exists, getBase, getParent, getPath, getPrefix, isAbsolute, isDirectory, isRegularFile, lastModified, moveTo, newDirectoryStream, newInputStream, newOutputStream, setReadOnly, size, toRealPath, unwrap, unwrap, wrap

Methods inherited from class org.h2.store.fs.FilePath
get, getName, newFileChannelOutputStream, register, toString, unregister

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details
- FilePathUnstable
  
  public FilePathUnstable()
Method Details
- register
  
  public static FilePathUnstable register()
  
  Register the file system.
  
  Returns:
  
  the instance
- setDiskFullCount
  
  public void setDiskFullCount(int count, int seed)
  
  Set the number of write operations before the disk is full, and the random seed (for partial writes).
  
  Parameters:
  
  count - the number of write operations (0 to never fail, Integer.MAX_VALUE to count the operations)
  
  seed - the new seed
- getDiskFullCount
  
  public int getDiskFullCount()
- setPartialWrites
  
  public void setPartialWrites(boolean partialWrites)
  
  Whether partial writes are possible (writing only part of the data).
  
  Parameters:
  
  partialWrites - true to enable
- open
  
  public FileChannel open(String mode) throws IOException
  
  Description copied from class: FilePath
  
  Open a random access file object.
  
  Overrides:
  
  open in class FilePathWrapper
  
  Parameters:
  
  mode - the access mode. Supported are r, rw, rws, rwd
  
  Returns:
  
  the file object
  
  Throws:
  
  IOException - If an I/O error occurs
- getScheme
  
  public String getScheme()
  
  Description copied from class: FilePath
  
  Get the scheme (prefix) for this file provider. This is similar to java.nio.file.spi.FileSystemProvider.getScheme.
  
  Specified by:
  
  getScheme in class FilePath
  
  Returns:
  
  the scheme