Package org.jgroups.blocks

Class GridFile

java.lang.Object

java.io.File

org.jgroups.blocks.GridFile

All Implemented Interfaces:

Serializable, Comparable<File>

public class GridFile
extends File

Subclass of File to iterate through directories and files in a grid

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	GridFile.Metadata

Field Summary

Fields

Modifier and Type	Field	Description
private final ReplCache<String,GridFile.Metadata>	cache
private int	chunk_size
private final GridFilesystem	fs
private final String	name
private static final long	serialVersionUID

Fields inherited from class java.io.File

pathSeparator, pathSeparatorChar, separator, separatorChar

Constructor Summary

Constructors

Constructor	Description
GridFile(File parent, String child, ReplCache<String,GridFile.Metadata> cache, int chunk_size, GridFilesystem fs)
GridFile(String parent, String child, ReplCache<String,GridFile.Metadata> cache, int chunk_size, GridFilesystem fs)
GridFile(String pathname, ReplCache<String,GridFile.Metadata> cache, int chunk_size, GridFilesystem fs)

Method Summary

Modifier and Type	Method	Description
protected String[]	_list(Object filter)
protected File[]	_listFiles(Object filter)
protected boolean	checkParentDirs(String path, boolean create_if_absent)	Checks whether the parent directories are present (and are directories).
boolean	createNewFile()
boolean	delete()
boolean	delete(boolean synchronous)
boolean	exists()
private boolean	exists(String key)
protected static String	filename(String full_path)
int	getChunkSize()
String	getName()
String	getPath()
protected void	initMetadata()
protected static boolean	isChildOf(String parent, String child)	Verifies whether child is a child (dir or file) of parent
boolean	isDirectory()
boolean	isFile()
private boolean	isFile(String key)
long	length()
String[]	list()
String[]	list(FilenameFilter filter)
File[]	listFiles()
File[]	listFiles(FileFilter filter)
File[]	listFiles(FilenameFilter filter)
boolean	mkdir()
boolean	mkdirs()
(package private) void	setLength(int new_length)
protected static String	trim(String str)

Methods inherited from class java.io.File

canExecute, canRead, canWrite, compareTo, createTempFile, createTempFile, deleteOnExit, equals, getAbsoluteFile, getAbsolutePath, getCanonicalFile, getCanonicalPath, getFreeSpace, getParent, getParentFile, getTotalSpace, getUsableSpace, hashCode, isAbsolute, isHidden, lastModified, listRoots, renameTo, setExecutable, setExecutable, setLastModified, setReadable, setReadable, setReadOnly, setWritable, setWritable, toPath, toString, toURI, toURL

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

cache

private final ReplCache<String,GridFile.Metadata> cache

fs

private final GridFilesystem fs

name

private final String name

chunk_size

private int chunk_size

Constructor Details

GridFile

GridFile(String pathname,
 ReplCache<String,GridFile.Metadata> cache,
 int chunk_size,
 GridFilesystem fs)

GridFile

GridFile(String parent,
 String child,
 ReplCache<String,GridFile.Metadata> cache,
 int chunk_size,
 GridFilesystem fs)

GridFile

GridFile(File parent,
 String child,
 ReplCache<String,GridFile.Metadata> cache,
 int chunk_size,
 GridFilesystem fs)

Method Details

getName

public String getName()

Overrides:

getName in class File

getPath

public String getPath()

Overrides:

getPath in class File

length

public long length()

Overrides:

length in class File

setLength

void setLength(int new_length)

getChunkSize

public int getChunkSize()

createNewFile

public boolean createNewFile()
                      throws IOException

Overrides:

createNewFile in class File

Throws:

IOException

delete

public boolean delete()

Overrides:

delete in class File

delete

public boolean delete(boolean synchronous)

mkdir

public boolean mkdir()

Overrides:

mkdir in class File

mkdirs

public boolean mkdirs()

Overrides:

mkdirs in class File

exists

public boolean exists()

Overrides:

exists in class File

list

public String[] list()

Overrides:

list in class File

list

public String[] list(FilenameFilter filter)

Overrides:

list in class File

listFiles

public File[] listFiles()

Overrides:

listFiles in class File

listFiles

public File[] listFiles(FilenameFilter filter)

Overrides:

listFiles in class File

listFiles

public File[] listFiles(FileFilter filter)

Overrides:

listFiles in class File

isDirectory

public boolean isDirectory()

Overrides:

isDirectory in class File

isFile

public boolean isFile()

Overrides:

isFile in class File

initMetadata

protected void initMetadata()

_listFiles

protected File[] _listFiles(Object filter)

_list

protected String[] _list(Object filter)

isChildOf

protected static boolean isChildOf(String parent,
 String child)

Verifies whether child is a child (dir or file) of parent

Parameters:

parent -

child -

Returns:

True if child is a child, false otherwise

filename

protected static String filename(String full_path)

checkParentDirs

protected boolean checkParentDirs(String path,
 boolean create_if_absent)
                           throws IOException

Checks whether the parent directories are present (and are directories). If create_if_absent is true, creates missing dirs

Parameters:

path -

create_if_absent -

Returns:

Throws:

IOException

trim

protected static String trim(String str)

exists

private boolean exists(String key)

isFile

private boolean isFile(String key)