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
|
/**************************************************************************
* 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 java.util.Iterator;
import com.c2kernel.collection.Collection;
import com.c2kernel.collection.CollectionMember;
import com.c2kernel.collection.MembershipException;
import com.c2kernel.common.AccessRightsException;
import com.c2kernel.common.InvalidDataException;
import com.c2kernel.common.InvalidTransitionException;
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.utils.Logger;
/**************************************************************************
*
* @author $Author: abranson $ $Date: 2004/10/21 08:02:19 $
* @version $Revision: 1.8 $
**************************************************************************/
public class AssignItemToSlot extends PredefinedStep
{
/**************************************************************************
* Constructor for Castor
**************************************************************************/
public AssignItemToSlot()
{
super();
}
/**
* Params:
* 0 - collection name
* 1 - slot number
* 2 - target entity key
*/
public void request(AgentPath agent, int transitionID, String requestData)
throws AccessRightsException,
InvalidTransitionException,
InvalidDataException
{
EntityPath entityPath = getItemEntityPath();
String collName;
int slotNo;
int entityKey;
Collection coll;
Logger.msg(1, "AssignItemToSlot::request() - Starting.");
checkAccessRights(agent);
// extract parameters
try {
entityPath = getItemEntityPath();
String[] params = getDataList(requestData);
collName = params[0];
slotNo = Integer.parseInt(params[1]);
entityKey = Integer.parseInt(params[2]);
} catch (Exception e) {
throw new InvalidDataException("Invalid parameters", "");
}
// load collection
try {
coll = (Collection)Gateway.getStorage().get(entityPath.getSysKey(), ClusterStorage.COLLECTION+"/"+collName, null);
} catch (Exception e) {
Logger.error(e);
throw new InvalidDataException("Error loading collection "+collName, "");
}
// find member and assign entity
boolean stored = false;
for (Iterator iter = coll.getMembers().list.iterator(); iter.hasNext();) {
CollectionMember member = (CollectionMember)iter.next();
if (member.getID() == slotNo) {
if (member.getEntityKey() > -1)
throw new InvalidDataException("Member slot not empty", "");
try {
member.assignEntity(entityKey);
} catch (MembershipException e) {
throw new InvalidDataException("Entity "+entityKey+" does not fit in this slot", "");
}
stored = true;
break;
}
}
if (!stored) {
throw new InvalidDataException("Member slot "+slotNo+" not found.", "");
}
try {
Gateway.getStorage().put(entityPath.getSysKey(), coll, null);
} catch (ClusterStorageException e) {
Logger.error(e);
throw new InvalidDataException("Error storing collection", "");
}
sendEventStoreOutcome(transitionID, requestData, agent);
Logger.msg(1, "AssignItemToSlot::request() - DONE.");
}
}
|
