src.openwfe.org.engine.expressions.SequenceExpression Maven / Gradle / Ivy
/*
* Copyright (c) 2001-2006, 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: SequenceExpression.java 2668 2006-05-25 15:15:15Z jmettraux $
*/
//
// SequenceExpression.java
//
// [email protected]
//
// generated with
// jtmpl 1.0.04 20.11.2001 John Mettraux ([email protected])
//
package openwfe.org.engine.expressions;
import openwfe.org.engine.Definitions;
import openwfe.org.engine.expool.ExpressionPool;
import openwfe.org.engine.workitem.InFlowWorkItem;
/**
* Children are applied one by one and their result is not taken into account
*
* CVS Info :
*
$Author: jmettraux $
*
$Date: 2006-05-25 17:15:15 +0200 (Thu, 25 May 2006) $
*
$Id: SequenceExpression.java 2668 2006-05-25 15:15:15Z jmettraux $
*
* @author [email protected]
*/
public class SequenceExpression
extends SequentialFlowExpression
{
/*
private final static org.apache.log4j.Logger log = org.apache.log4j.Logger
.getLogger(SequenceExpression.class.getName());
*/
//
// FIELDS
//
// CONSTRUCTORS
//
// METHODS
/*
* debug override
* /
public void setParent (final FlowExpressionId fei)
{
log.debug("setParent() \n for "+this.getId()+"\n to "+fei);
//openwfe.org.Utils.logStackTrace(log, "setParent()");
super.setParent(fei);
}
*/
public void reply (final InFlowWorkItem wi)
throws ReplyException
{
//
// was it the last reply we were waiting for ?
final int current = getChildren().indexOf(getCurrentId());
/*
if (log.isDebugEnabled())
{
log.debug("reply() this.id is "+this.getId());
log.debug("reply() current id is "+this.getCurrentId());
log.debug("reply() current index is "+current);
log.debug("reply() children.size() is "+getChildren().size());
}
*/
if (current == getChildren().size()-1)
//
// this was the last one
{
//
// reply to the father...
//log.debug("reply() replying to parent");
replyToParent(wi);
return;
}
//
// no, continue to apply children
//log.debug("reply() resuming sequence");
try
{
getExpressionPool().apply(this, wi);
}
catch (final ApplyException e)
{
throw new ReplyException
("Failed to apply next children expression "+getCurrentId(),
e);
}
/*
* note that the wi, given by the sub-expression is given to the
* next sub-expression...
*/
}
}