
org.cristalise.kernel.lifecycle.instance.predefined.WriteProperty Maven / Gradle / Ivy
/**
* This file is part of the CRISTAL-iSE kernel.
* Copyright (c) 2001-2015 The CRISTAL Consortium. All rights reserved.
*
* 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 3 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; with out 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.
*
* http://www.fsf.org/licensing/licenses/lgpl.html
*/
package org.cristalise.kernel.lifecycle.instance.predefined;
import java.util.Arrays;
import org.cristalise.kernel.common.InvalidDataException;
import org.cristalise.kernel.common.ObjectCannotBeUpdated;
import org.cristalise.kernel.common.ObjectNotFoundException;
import org.cristalise.kernel.common.PersistencyException;
import org.cristalise.kernel.lookup.AgentPath;
import org.cristalise.kernel.lookup.ItemPath;
import org.cristalise.kernel.persistency.ClusterType;
import org.cristalise.kernel.process.Gateway;
import org.cristalise.kernel.property.Property;
import org.cristalise.kernel.utils.Logger;
public class WriteProperty extends PredefinedStep {
/**
* Constructor for Castor
*/
public WriteProperty() {
super();
}
@Override
protected String runActivityLogic(AgentPath agent, ItemPath item, int transitionID, String requestData, Object locker)
throws InvalidDataException, ObjectCannotBeUpdated, ObjectNotFoundException, PersistencyException
{
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 value = params[1];
write(item, name, value, locker);
return requestData;
}
public static void write(ItemPath item, String name, String value, Object locker)
throws PersistencyException, ObjectCannotBeUpdated, ObjectNotFoundException
{
Property prop = (Property) Gateway.getStorage().get(item, ClusterType.PROPERTY + "/" + name, locker);
if (!prop.isMutable() && !value.equals(prop.getValue()))
throw new ObjectCannotBeUpdated("WriteProperty: Property '" + name + "' is not mutable.");
prop.setValue(value);
Gateway.getStorage().put(item, prop, locker);
}
}
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