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java.lang.Objectorg.h2.store.fs.FilePath
org.h2.store.fs.FilePathMem
public class FilePathMem
This file system keeps files fully in memory. There is an option to compress file blocks to safe memory.
| Field Summary |
|---|
| Fields inherited from class org.h2.store.fs.FilePath |
|---|
name |
| Constructor Summary | |
|---|---|
FilePathMem()
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| Method Summary | |
|---|---|
boolean |
canWrite()
Check if the file is writable. |
void |
createDirectory()
Create a directory (all required parent directories already exist). |
boolean |
createFile()
Create a new file. |
void |
delete()
Delete a file or directory if it exists. |
boolean |
exists()
Checks if a file exists. |
FilePathMem |
getParent()
Get the parent directory of a file or directory. |
FilePathMem |
getPath(java.lang.String path)
Convert a file to a path. |
java.lang.String |
getScheme()
Get the scheme (prefix) for this file provider. |
boolean |
isAbsolute()
Check if the file name includes a path. |
boolean |
isDirectory()
Check if it is a file or a directory. |
long |
lastModified()
Get the last modified date of a file |
void |
moveTo(FilePath newName)
Rename a file if this is allowed. |
java.util.List<FilePath> |
newDirectoryStream()
List the files and directories in the given directory. |
java.io.InputStream |
newInputStream()
Create an input stream to read from the file. |
java.io.OutputStream |
newOutputStream(boolean append)
Create an output stream to write into the file. |
java.nio.channels.FileChannel |
open(java.lang.String mode)
Open a random access file object. |
boolean |
setReadOnly()
Disable the ability to write. |
long |
size()
Get the size of a file in bytes |
FilePathMem |
toRealPath()
Normalize a file name. |
| Methods inherited from class org.h2.store.fs.FilePath |
|---|
createTempFile, get, getName, getNextTempFileNamePart, register, toString, unregister, unwrap |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
|---|
public FilePathMem()
| Method Detail |
|---|
public FilePathMem getPath(java.lang.String path)
FilePathjava.nio.file.spi.FileSystemProvider.getPath, but may
return an object even if the scheme doesn't match in case of the the
default file provider.
getPath in class FilePathpath - the path
public long size()
FilePath
size in class FilePathpublic void moveTo(FilePath newName)
FilePath
moveTo in class FilePathnewName - the new fully qualified file namepublic boolean createFile()
FilePath
createFile in class FilePathpublic boolean exists()
FilePath
exists in class FilePathpublic void delete()
FilePath
delete in class FilePathpublic java.util.List<FilePath> newDirectoryStream()
FilePath
newDirectoryStream in class FilePathpublic boolean setReadOnly()
FilePath
setReadOnly in class FilePathpublic boolean canWrite()
FilePath
canWrite in class FilePathpublic FilePathMem getParent()
FilePath
getParent in class FilePathpublic boolean isDirectory()
FilePath
isDirectory in class FilePathpublic boolean isAbsolute()
FilePath
isAbsolute in class FilePathpublic FilePathMem toRealPath()
FilePath
toRealPath in class FilePathpublic long lastModified()
FilePath
lastModified in class FilePathpublic void createDirectory()
FilePath
createDirectory in class FilePathpublic java.io.OutputStream newOutputStream(boolean append)
FilePath
newOutputStream in class FilePathappend - if true, the file will grow, if false, the file will be
truncated first
public java.io.InputStream newInputStream()
FilePath
newInputStream in class FilePathpublic java.nio.channels.FileChannel open(java.lang.String mode)
FilePath
open in class FilePathmode - the access mode. Supported are r, rw, rws, rwd
public java.lang.String getScheme()
FilePathjava.nio.file.spi.FileSystemProvider.getScheme.
getScheme in class FilePath
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