1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/**
* This file is part of the CRISTAL-iSE kernel.
* Copyright (c) 2001-2014 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 com.c2kernel.lifecycle.instance.predefined;
import java.util.Arrays;
import com.c2kernel.common.InvalidData;
import com.c2kernel.common.ObjectCannotBeUpdated;
import com.c2kernel.common.ObjectNotFound;
import com.c2kernel.common.PersistencyException;
import com.c2kernel.lookup.AgentPath;
import com.c2kernel.lookup.ItemPath;
import com.c2kernel.persistency.ClusterStorage;
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 InvalidData, ObjectCannotBeUpdated, ObjectNotFound, 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 InvalidData("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 ObjectCannotBeUpdated("WriteProperty: Property '"+name+"' is not mutable.");
prop.setValue(newValue);
Gateway.getStorage().put(item, prop, null);
} catch (ObjectNotFound e) {
throw new ObjectNotFound("WriteProperty: Property '"+name+"' not found.");
}
return requestData;
}
}
|
