org.basex.server
Class Semaphore

java.lang.Object
  org.basex.server.Semaphore

public final class Semaphore
extends Object

Management of executing read/write processes.

Author:

Workgroup DBIS, University of Konstanz 2005-10, ISC License, Andreas Weiler

Constructor Summary

Semaphore()

Method Summary

void	after(boolean w) Modifications after executing a process.
void	before(boolean w) Modifications before executing a process.
boolean	writing(Proc pr, Context ctx) Checks if the specified process is a writer.

Methods inherited from class java.lang.Object

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

Constructor Detail

Semaphore

public Semaphore()

Method Detail

writing

public boolean writing(Proc pr,
                       Context ctx)

Checks if the specified process is a writer.

Parameters:

pr - process

ctx - database context

Returns:

result of check

before

public void before(boolean w)

Modifications before executing a process.

Parameters:

w - writing flag

after

public void after(boolean w)

Modifications after executing a process.

Parameters:

w - writing flag