Java Code Examples for org.jfree.util.Log#isDebugEnabled()

LockImpl findLock(final String asset) {
    if (Log.isDebugEnabled()) {
        log.debug("findLock: " + asset + " START");
    }
    final DBQuery q = DBFactory.getInstance().createQuery(
            "select alock from " + LockImpl.class.getName() + " as alock inner join fetch alock.owner where alock.asset = :asset");
    q.setParameter("asset", asset);
    final List res = q.list();
    if (res.size() == 0) {
        log.debug("findLock: null END");
        return null;
    } else {
        if (Log.isDebugEnabled()) {
            log.debug("findLock: " + res.get(0) + " END");
        }
        return (LockImpl) res.get(0);
    }
}
 

/**
 * @param identName
 *            the name of the identity to release all locks for (only the non-persistent locks in cluster mode, -not- the persistent locks!)
 */
public void releaseAllLocksFor(final String identName) {
    if (Log.isDebugEnabled()) {
        log.debug("releaseAllLocksFor: " + identName + " START");
    }

    final Identity ident = findIdentityByName(identName);

    DBFactory.getInstance().delete("from " + LockImpl.class.getName() + " as alock inner join fetch " + "alock.owner as owner where owner.key = ?", ident.getKey(),
            Hibernate.LONG);
    // cluster:: can we save a query (and is it appropriate considering encapsulation)
    // here by saying: alock.owner as owner where owner.name = ? (using identName parameter)
    if (Log.isDebugEnabled()) {
        log.debug("releaseAllLocksFor: " + identName + " END");
    }
}
 

/**
 * Configures the module and raises the state to STATE_CONFIGURED if the
 * module is not yet configured.
 *
 * @param subSystem  the sub-system.
 * 
 * @return true, if the module was configured, false otherwise.
 */
public boolean configure(final SubSystem subSystem)
{
  if (this.state == STATE_NEW)
  {
    try
    {
      this.module.configure(subSystem);
      this.state = STATE_CONFIGURED;
      return true;
    }
    catch (NoClassDefFoundError noClassDef)
    {
      Log.warn (new Log.SimpleMessage("Unable to load module classes for ",
              this.module.getName(), ":", noClassDef.getMessage()));
      this.state = STATE_ERROR;
    }
    catch (Exception e)
    {
      if (Log.isDebugEnabled())
      {
        // its still worth a warning, but now we are more verbose ...
        Log.warn("Unable to configure the module " + this.module.getName(), e);
      }
      else if (Log.isWarningEnabled())
      {
        Log.warn("Unable to configure the module " + this.module.getName());
      }
      this.state = STATE_ERROR;
    }
  }
  return false;
}
 

void saveLock(final LockImpl alock) {
    if (Log.isDebugEnabled()) {
        log.debug("saveLock: " + alock + " START");
    }
    DBFactory.getInstance().saveObject(alock);
    if (Log.isDebugEnabled()) {
        log.debug("saveLock: " + alock + " END");
    }
}
 

void deleteLock(final LockImpl li) {
    if (Log.isDebugEnabled()) {
        log.debug("deleteLock: " + li + " START");
    }
    DBFactory.getInstance().deleteObject(li);
    if (Log.isDebugEnabled()) {
        log.debug("deleteLock: " + li + " END");
    }
}
 

@SuppressWarnings("unchecked")
List<LockImpl> getAllLocks() {
    log.debug("getAllLocks START");
    final DBQuery q = DBFactory.getInstance().createQuery("select alock from " + LockImpl.class.getName() + " as alock inner join fetch alock.owner");
    final List<LockImpl> res = q.list();
    if (Log.isDebugEnabled()) {
        log.debug("getAllLocks END. res.length:" + (res == null ? "null" : res.size()));
    }
    return res;
}
 

/**
 * Initializes the contained module and raises the set of the module to
 * STATE_INITIALIZED, if the module was not yet initialized. In case of an
 * error, the module state will be set to STATE_ERROR and the module will
 * not be available.
 *
 * @param subSystem  the sub-system.
 * 
 * @return true, if the module was successfully initialized, false otherwise.
 */
public boolean initialize(final SubSystem subSystem)
{
  if (this.state == STATE_CONFIGURED)
  {
    try
    {
        this.module.initialize(subSystem);
        this.state = STATE_INITIALIZED;
        return true;
    }
    catch (NoClassDefFoundError noClassDef)
    {
      Log.warn (new Log.SimpleMessage("Unable to load module classes for ",
              this.module.getName(), ":", noClassDef.getMessage()));
      this.state = STATE_ERROR;
    }
    catch (ModuleInitializeException me)
    {
      if (Log.isDebugEnabled())
      {
        // its still worth a warning, but now we are more verbose ...
        Log.warn("Unable to initialize the module " + this.module.getName(), me);
      }
      else if (Log.isWarningEnabled())
      {
        Log.warn("Unable to initialize the module " + this.module.getName());
      }
      this.state = STATE_ERROR;
    }
    catch (Exception e)
    {
      if (Log.isDebugEnabled())
      {
        // its still worth a warning, but now we are more verbose ...
        Log.warn("Unable to initialize the module " + this.module.getName(), e);
      }
      else if (Log.isWarningEnabled())
      {
        Log.warn("Unable to initialize the module " + this.module.getName());
      }
      this.state = STATE_ERROR;
    }
  }
  return false;
}
 

LockImpl createLockImpl(final String asset, final OLATPrincipal owner) {
    if (Log.isDebugEnabled()) {
        log.debug("createLockImpl: " + asset + " by " + owner);
    }
    return new LockImpl(asset, (Identity) owner);
}