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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/**************************************************************************
* AssignItemToSlot
*
* $Workfile$
* $Revision: 1.8 $
* $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 com.c2kernel.collection.Aggregation;
import com.c2kernel.common.AccessRightsException;
import com.c2kernel.common.InvalidDataException;
import com.c2kernel.common.InvalidTransitionException;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.entity.C2KLocalObject;
import com.c2kernel.lookup.AgentPath;
import com.c2kernel.lookup.EntityPath;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.persistency.ClusterStorageException;
import com.c2kernel.process.Gateway;
import com.c2kernel.property.PropertyDescription;
import com.c2kernel.property.PropertyDescriptionList;
import com.c2kernel.property.PropertyUtility;
import com.c2kernel.utils.CastorHashMap;
import com.c2kernel.utils.Logger;
/**************************************************************************
*
* @author $Author: abranson $ $Date: 2004/10/21 08:02:19 $
* @version $Revision: 1.8 $
**************************************************************************/
public class AddNewSlot extends PredefinedStep
{
/**************************************************************************
* Constructor for Castor
**************************************************************************/
public AddNewSlot()
{
super();
}
/**
* Creates a new slot in the given aggregation, that holds instances of the given item description
*
* Params:
* 0 - collection name
* 1 - Item Description key (optional)
*/
@Override
public void request(AgentPath agent, int transitionID, String requestData)
throws AccessRightsException,
InvalidTransitionException,
InvalidDataException
{
EntityPath entityPath = getItemEntityPath();
String collName;
int descKey=-1;
Aggregation agg;
Logger.msg(1, "AddNewSlot::request() - Starting.");
checkAccessRights(agent);
// extract parameters
try {
entityPath = getItemEntityPath();
String[] params = getDataList(requestData);
collName = params[0];
if (params.length > 1) descKey = Integer.parseInt(params[1]);
} catch (Exception e) {
throw new InvalidDataException("Invalid parameters", "");
}
// load collection
C2KLocalObject collObj;
try {
collObj = Gateway.getStorage().get(entityPath.getSysKey(), ClusterStorage.COLLECTION+"/"+collName, null);
} catch (ObjectNotFoundException ex) {
throw new InvalidDataException("Collection '"+collName+"' not found in this Item", "");
} catch (ClusterStorageException ex) {
Logger.error(ex);
throw new InvalidDataException("Error loading collection '\"+collName+\"': "+ex.getMessage(), "");
}
if (!(collObj instanceof Aggregation)) throw new InvalidDataException("AddNewSlot operates on Aggregation collections only.", "");
agg = (Aggregation)collObj;
// get props
CastorHashMap props = new CastorHashMap();
StringBuffer classProps = new StringBuffer();
if (descKey > -1) {
PropertyDescriptionList propList;
try {
propList = PropertyUtility.getPropertyDescriptionOutcome(descKey);
} catch (ObjectNotFoundException e) {
throw new InvalidDataException("Item "+descKey+" does not contain a PropertyDescription outcome to define a slot", "");
}
for (PropertyDescription pd : propList.list) {
props.put(pd.getName(), pd.getDefaultValue());
if (pd.getIsClassIdentifier())
classProps.append((classProps.length()>0?",":"")).append(pd.getName());
}
}
agg.addSlot(props, classProps.toString());
try {
Gateway.getStorage().put(entityPath.getSysKey(), agg, null);
} catch (ClusterStorageException e) {
Logger.error(e);
throw new InvalidDataException("Error storing collection", "");
}
sendEventStoreOutcome(transitionID, requestData, agent);
Logger.msg(1, "AddNewSlot::request() - DONE.");
}
}
|
