/*
* Created on Oct 13, 2006 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.core.chunktype.event;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jactr.core.chunk.IChunk;
import org.jactr.core.chunktype.IChunkType;
import org.jactr.core.event.AbstractACTREvent;
import org.jactr.core.event.IParameterEvent;
import org.jactr.core.runtime.ACTRRuntime;
import org.jactr.core.slot.ISlot;
public class ChunkTypeEvent extends
AbstractACTREvent<IChunkType, IChunkTypeListener> implements
IParameterEvent<IChunkType, IChunkTypeListener>
{
/**
* logger definition
*/
static private final Log LOGGER = LogFactory.getLog(ChunkTypeEvent.class);
static public enum Type {
ENCODED, SLOT_ADDED, SLOT_REMOVED, SLOT_CHANGED, PARAMETER_CHANGED, CHUNK_ADDED, CHILD_ADDED
};
/*
* for both slots and parameters
*/
private String _itemName;
private Object _oldValue;
private Object _newValue;
private IChunk _addedChunk;
private IChunkType _addedChild;
final private Type _type;
public ChunkTypeEvent(IChunkType source, Type type)
{
super(source, ACTRRuntime.getRuntime().getClock(source.getModel())
.getTime());
_type = type;
}
public ChunkTypeEvent(IChunkType source, IChunkType child)
{
this(source, Type.CHILD_ADDED);
_addedChild = child;
}
public ChunkTypeEvent(IChunkType source, IChunk chunk)
{
this(source, Type.CHUNK_ADDED);
_addedChunk = chunk;
}
public ChunkTypeEvent(IChunkType source, ISlot slot, Object oldValue)
{
this(source, Type.SLOT_CHANGED);
_itemName = slot.getName();
_oldValue = oldValue;
_newValue = slot.getValue();
}
public ChunkTypeEvent(IChunkType source, Type type, ISlot slot)
{
this(source, type);
_itemName = slot.getName();
_oldValue = slot.getValue();
_newValue = slot.getValue();
}
public ChunkTypeEvent(IChunkType source, String parameterName,
Object newValue, Object oldValue)
{
this(source, Type.PARAMETER_CHANGED);
_itemName = parameterName;
_oldValue = oldValue;
_newValue = newValue;
}
public IChunkType getChild()
{
return _addedChild;
}
public IChunk getChunk()
{
return _addedChunk;
}
public Type getType()
{
return _type;
}
@Override
public void fire(final IChunkTypeListener listener)
{
switch (getType())
{
case CHILD_ADDED:
listener.childAdded(this);
break;
case CHUNK_ADDED:
listener.chunkAdded(this);
break;
case SLOT_ADDED:
listener.slotAdded(this);
break;
case SLOT_REMOVED:
listener.slotRemoved(this);
break;
case SLOT_CHANGED:
listener.slotChanged(this);
break;
case ENCODED:
listener.chunkTypeEncoded(this);
break;
default:
if (LOGGER.isWarnEnabled())
LOGGER.warn("No clue what to do with " + this.getType());
}
}
public String getSlotName()
{
return _itemName;
}
public Object getOldValue()
{
return _oldValue;
}
public Object getNewValue()
{
return _newValue;
}
public Object getNewParameterValue()
{
return _newValue;
}
public Object getOldParameterValue()
{
return _oldValue;
}
public String getParameterName()
{
return _itemName;
}
}