com.exalead.mercury.component.tools

Class FileLock

java.lang.Object

com.exalead.mercury.component.tools.FileLock

public class FileLock
extends java.lang.Object

A file lock.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	FileLock.GlobalLock Global File lock, global to the process.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	locked
protected static java.util.HashMap<java.lang.String,FileLock.GlobalLock>	map
protected java.lang.String	path

Constructor Summary

Constructors

Constructor and Description
FileLock(java.io.File file) Lock a file.
FileLock(java.io.File file, boolean shared) Lock a file.

Method Summary

Modifier and Type	Method and Description
protected void	finalize()
void	release() Unlock.

Methods inherited from class java.lang.Object

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

Field Detail

map

protected static final java.util.HashMap<java.lang.String,FileLock.GlobalLock> map

locked

protected boolean locked

path

protected java.lang.String path

Constructor Detail

FileLock

public FileLock(java.io.File file)
         throws java.io.IOException

Lock a file. (exclusive)

Throws:

java.io.IOException

FileLock

public FileLock(java.io.File file,
                boolean shared)
         throws java.io.IOException

Lock a file. (shared)

Throws:

java.io.IOException

Method Detail

release

public void release()

Unlock.

finalize

protected void finalize()

Overrides:

finalize in class java.lang.Object