package org.syrup.functions;
import org.syrup.Context;
import org.syrup.Function;
import org.syrup.Result;
import org.syrup.helpers.NetworkImpl;
import org.syrup.helpers.NetworkParser;
import org.syrup.helpers.ResultImpl;
import org.syrup.helpers.Utils;
import org.syrup.helpers.WorkflowImpl;
import java.util.logging.Logger;
/**
* Copies the first or second input to the first output but if the second input is full, all Link connections will be broken afterwards. Used mostly in
* conjunction with Finish to terminate Workflows.
*
* @author Robbert van Dalen
*/
public class Abort implements Function
{
static final String COPYRIGHT = "Copyright 2005 Robbert van Dalen."
+ "At your option, you may copy, distribute, or make derivative works under "
+ "the terms of The Artistic License. This License may be found at "
+ "http://www.opensource.org/licenses/artistic-license.php. "
+ "THERE IS NO WARRANTY; USE THIS PRODUCT AT YOUR OWN RISK.";
private final static Logger logger = Logger.getLogger("org.syrup.functions.Abort");
private final static String nullWorkflow = "<workflow><binding out-1='b-1' out-2='b-2'/><task name='b' functionClass='org.syrup.functions.Abort' orType='true'/></workflow>";
/**
*/
public Result execute(Context context)
{
try
{
ResultImpl im = null;
if (Utils.isFull(context.in_1_link()))
{
im = new ResultImpl(context, true, true, context.in_1_link().content(), null);
}
if (Utils.isFull(context.in_2_link()))
{
im = new ResultImpl(context, true, true, context.in_2_link().content(), null);
// [TODO: optimize by prefabricating the NetworkImpl]
NetworkImpl i = new NetworkParser().parse(nullWorkflow.getBytes());
// Returns the Workflow.
return new WorkflowImpl(im, i);
}
else
{
return im;
}
}
catch (Throwable e1)
{
return new ResultImpl(context, true, true, null, org.syrup.helpers.Utils.manageError(logger, e1, "Concat error"));
}
}
}