src.openwfe.org.engine.expressions.ForgetExpression Maven / Gradle / Ivy
/*
* Copyright (c) 2006, John Mettraux, OpenWFE.org
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* . Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* . Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* . Neither the name of the "OpenWFE" nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $Id: ForgetExpression.java 2668 2006-05-25 15:15:15Z jmettraux $
*/
//
// ForgetExpression.java
//
// [email protected]
//
// generated with
// jtmpl 1.0.04 31.10.2002 John Mettraux ([email protected])
//
package openwfe.org.engine.expressions;
import openwfe.org.Utils;
import openwfe.org.engine.workitem.InFlowWorkItem;
/**
* Applies the child process tree (in its own thread) and immediately
* replies.
*
* CVS Info :
*
$Author: jmettraux $
*
$Date: 2006-05-25 17:15:15 +0200 (Thu, 25 May 2006) $
*
$Id: ForgetExpression.java 2668 2006-05-25 15:15:15Z jmettraux $
*
* @author [email protected]
*/
public class ForgetExpression
extends OneChildExpression
{
private final static org.apache.log4j.Logger log = org.apache.log4j.Logger
.getLogger(ForgetExpression.class.getName());
//
// CONSTANTS and co
//
// FIELDS
//
// CONSTRUCTORS
//
// OVERRIDEN METHODS
/**
* Will trigger the child expression (if any) and immediately reply
* to the parent expression (forgetting about the child).
*/
public void apply (final InFlowWorkItem wi)
throws ApplyException
{
final InFlowWorkItem forgottenWi = (InFlowWorkItem)wi.clone();
(new Thread()
{
public void run ()
{
try
{
final FlowExpression child = getExpressionPool()
.fetch(ForgetExpression.this.getChildExpressionId());
child.setParent(null);
getExpressionPool().apply(child.getId(), forgottenWi);
}
catch (final Throwable t)
{
log.info
("apply() error in forgotten child (branch)", t);
}
}
}).start();
applyToParent(wi);
}
/**
* The reply of the forget expression will do nothing.
*/
public void reply (final InFlowWorkItem wi)
throws ReplyException
{
// does nothing
}
//
// METHODS
}