/*
* Created on Feb 22, 2007 Copyright (C) 2001-6, Anthony Harrison anh23@pitt.edu
* (jactr.org) This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the License,
* or (at your option) any later version. This library is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU Lesser General Public License for more details. You should have
* received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.jactr.tools.async.controller.handlers;
import java.util.ArrayList;
import java.util.Collection;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.commonreality.net.handler.IMessageHandler;
import org.commonreality.net.session.ISessionInfo;
import org.jactr.core.model.IModel;
import org.jactr.core.production.IProduction;
import org.jactr.core.runtime.ACTRRuntime;
import org.jactr.core.runtime.controller.debug.BreakpointType;
import org.jactr.core.runtime.controller.debug.IDebugController;
import org.jactr.tools.async.message.command.breakpoint.BreakpointCommand;
import org.jactr.tools.async.message.command.breakpoint.IBreakpointCommand;
/**
* take the requested breakpoint action and apply it. currently we only support
* all clear, add/remove of time, cycle, and production
*
* @author developer
*/
public class BreakpointHandler implements IMessageHandler<BreakpointCommand>
{
/**
* logger definition
*/
static private final transient Log LOGGER = LogFactory
.getLog(BreakpointHandler.class);
public BreakpointHandler()
{
}
// /**
// * @see
// org.apache.mina.handler.demux.MessageHandler#messageReceived(org.apache.mina.common.IoSession,
// * java.lang.Object)
// */
// public void handleMessage(IoSession session, IBreakpointCommand command)
// throws Exception
// {
// // only the owner can change break points
// }
@Override
public void accept(ISessionInfo session, BreakpointCommand command)
{
if (LOGGER.isDebugEnabled()) LOGGER.debug("Got " + command);
IDebugController controller = (IDebugController) ACTRRuntime.getRuntime()
.getController();
switch (command.getAction())
{
case CLEAR:
clearBreakpoints(controller, command);
break;
case ADD:
addBreakpoint(controller, command);
break;
case REMOVE:
removeBreakpoint(controller, command);
break;
}
}
protected IModel getModel(String modelName, IDebugController controller)
{
IModel rtn = null;
for (IModel model : ACTRRuntime.getRuntime().getModels())
if (model.getName().equals(modelName))
{
rtn = model;
continue;
}
if (LOGGER.isDebugEnabled())
LOGGER.debug("Returning " + rtn + " for name " + modelName);
return rtn;
}
protected void clearBreakpoints(IDebugController controller,
IBreakpointCommand command)
{
String modelName = command.getModelName();
Collection<IModel> models = new ArrayList<IModel>();
if (modelName.equals("all"))
models.addAll(ACTRRuntime.getRuntime().getModels());
else
models.add(getModel(modelName, controller));
for (IModel model : models)
controller.clearBreakpoints(getModel(command.getModelName(), controller),
command.getType());
}
protected void addBreakpoint(IDebugController controller,
IBreakpointCommand command)
{
String modelName = command.getModelName();
Collection<IModel> models = new ArrayList<IModel>();
if (modelName.equals("all"))
models.addAll(ACTRRuntime.getRuntime().getModels());
else
models.add(getModel(modelName, controller));
BreakpointType type = command.getType();
for (IModel model : models)
if (type == BreakpointType.TIME || type == BreakpointType.CYCLE)
{
// resolve to a number
Double value = Double.valueOf(command.getDetails());
controller.addBreakpoint(model, type, value);
}
else if (type == BreakpointType.PRODUCTION)
{
String productionName = command.getDetails();
/*
* get the production
*/
IProduction production = null;
try
{
production = model.getProceduralModule()
.getProduction(productionName).get();
controller.addBreakpoint(model, type, production);
}
catch (Exception e)
{
LOGGER.warn("Could not add production breakpoint " + productionName
+ " for " + model + " since no production matching was found", e);
}
}
}
protected void removeBreakpoint(IDebugController controller,
IBreakpointCommand command)
{
String modelName = command.getModelName();
Collection<IModel> models = new ArrayList<IModel>();
if (modelName.equals("all"))
models.addAll(ACTRRuntime.getRuntime().getModels());
else
models.add(getModel(modelName, controller));
BreakpointType type = command.getType();
for (IModel model : models)
if (type == BreakpointType.TIME || type == BreakpointType.CYCLE)
{
// resolve to a number
Double value = Double.valueOf(command.getDetails());
controller.removeBreakpoint(model, type, value);
}
else if (type == BreakpointType.PRODUCTION)
{
String productionName = command.getDetails();
/*
* get the production
*/
IProduction production = null;
try
{
production = model.getProceduralModule()
.getProduction(productionName).get();
controller.removeBreakpoint(model, type, production);
}
catch (Exception e)
{
LOGGER.warn("Could not remove production breakpoint " + productionName
+ " for " + model + " since no production matching was found", e);
}
}
}
}