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/**************************************************************************
* WriteProperty
*
* $Workfile$
* $Revision: 1.3 $
* $Date: 2004/10/21 08:02:19 $
*
* Copyright (C) 2001 CERN - European Organization for Nuclear Research
* All rights reserved.
**************************************************************************/
package com.c2kernel.lifecycle.instance.predefined;
import java.util.Arrays;
import com.c2kernel.common.InvalidDataException;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.lookup.AgentPath;
import com.c2kernel.lookup.ItemPath;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.persistency.ClusterStorageException;
import com.c2kernel.process.Gateway;
import com.c2kernel.property.Property;
import com.c2kernel.utils.Logger;
/**************************************************************************
*
* @author $Author: abranson $ $Date: 2004/10/21 08:02:19 $
* @version $Revision: 1.3 $
**************************************************************************/
public class WriteProperty extends PredefinedStep
{
/**************************************************************************
* Constructor for Castror
**************************************************************************/
public WriteProperty()
{
super();
}
//requestdata is xmlstring
@Override
protected String runActivityLogic(AgentPath agent, ItemPath item,
int transitionID, String requestData) throws InvalidDataException {
String[] params = getDataList(requestData);
if (Logger.doLog(3)) Logger.msg(3, "WriteProperty: called by "+agent+" on "+item+" with parameters "+Arrays.toString(params));
if (params.length != 2)
throw new InvalidDataException("WriteProperty: invalid parameters "+Arrays.toString(params), "");
String name = params[0];
String newValue = params[1];
Property prop;
try {
prop = (Property)Gateway.getStorage().get(item, ClusterStorage.PROPERTY+"/"+name, null);
if (!prop.isMutable() && !newValue.equals(prop.getValue()))
throw new InvalidDataException("WriteProperty: Property '"+name+"' is not mutable.", "");
prop.setValue(newValue);
Gateway.getStorage().put(item, prop, null);
} catch (ObjectNotFoundException e) {
throw new InvalidDataException("WriteProperty: Property '"+name+"' not found.", "");
} catch (ClusterStorageException e) {
throw unknownException(e);
}
return requestData;
}
}
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