Modifier and Type | Field and Description |
---|---|
protected Database |
blocks |
protected Database |
files |
protected int |
flags |
protected java.util.Set |
openFiles |
protected Transaction |
txn |
lockFactory
Constructor and Description |
---|
JEDirectory(Transaction txn,
Database files,
Database blocks) |
JEDirectory(Transaction txn,
Database files,
Database blocks,
int flags)
Instantiate a DbDirectory.
|
Modifier and Type | Method and Description |
---|---|
void |
close() |
IndexOutput |
createOutput(java.lang.String name) |
void |
deleteFile(java.lang.String name) |
boolean |
fileExists(java.lang.String name) |
long |
fileLength(java.lang.String name) |
long |
fileModified(java.lang.String name) |
void |
flush()
Flush the currently open files.
|
java.lang.String[] |
list() |
Lock |
makeLock(java.lang.String name) |
IndexInput |
openInput(java.lang.String name) |
void |
renameFile(java.lang.String from,
java.lang.String to) |
void |
setTransaction(Transaction txn)
Once a transaction handle was committed it is no longer valid.
|
void |
touchFile(java.lang.String name) |
clearLock, copy, ensureOpen, getLockFactory, getLockID, openInput, setLockFactory, sync
protected java.util.Set openFiles
protected Database files
protected Database blocks
protected Transaction txn
protected int flags
public JEDirectory(Transaction txn, Database files, Database blocks, int flags)
txn
- a transaction handle that is going to be used for all db
operations done by this instance. This parameter may be
null
.files
- a db handle to store file records.blocks
- a db handle to store file data blocks.flags
- flags used for db read operations.public JEDirectory(Transaction txn, Database files, Database blocks)
public void close() throws java.io.IOException
public void flush() throws java.io.IOException
java.io.IOException
setTransaction(Transaction)
public IndexOutput createOutput(java.lang.String name) throws java.io.IOException
createOutput
in class Directory
java.io.IOException
public void deleteFile(java.lang.String name) throws java.io.IOException
deleteFile
in class Directory
java.io.IOException
public boolean fileExists(java.lang.String name) throws java.io.IOException
fileExists
in class Directory
java.io.IOException
public long fileLength(java.lang.String name) throws java.io.IOException
fileLength
in class Directory
java.io.IOException
public long fileModified(java.lang.String name) throws java.io.IOException
fileModified
in class Directory
java.io.IOException
public java.lang.String[] list() throws java.io.IOException
public IndexInput openInput(java.lang.String name) throws java.io.IOException
public void renameFile(java.lang.String from, java.lang.String to) throws java.io.IOException
renameFile
in class Directory
java.io.IOException
public void touchFile(java.lang.String name) throws java.io.IOException
public void setTransaction(Transaction txn)
txn
- the new transaction handle to useCopyright © 2000-2014 Apache Software Foundation. All Rights Reserved.