Make sure that non busy CP is free from instances.

master/bt5/vifib_erp5/PortalTypePropertySheetTemplateItem/property_sheet_list.xml

@@ -5,6 +5,9 @@
  <portal_type id="Computer">
   <item>VifibComputerConstraint</item>
  </portal_type>
+ <portal_type id="Computer Partition">
+  <item>VifibComputerPartitionConstraint</item>
+ </portal_type>
  <portal_type id="Email">
   <item>VifibEmailConstraint</item>
  </portal_type>

master/bt5/vifib_erp5/PropertySheetTemplateItem/portal_property_sheets/VifibComputerPartitionConstraint.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="Property Sheet" module="erp5.portal_type"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_count</string> </key>
+            <value>
+              <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+            </value>
+        </item>
+        <item>
+            <key> <string>_mt_index</string> </key>
+            <value>
+              <persistent> <string encoding="base64">AAAAAAAAAAM=</string> </persistent>
+            </value>
+        </item>
+        <item>
+            <key> <string>_tree</string> </key>
+            <value>
+              <persistent> <string encoding="base64">AAAAAAAAAAQ=</string> </persistent>
+            </value>
+        </item>
+        <item>
+            <key> <string>description</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>VifibComputerPartitionConstraint</string> </value>
+        </item>
+        <item>
+            <key> <string>portal_type</string> </key>
+            <value> <string>Property Sheet</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+  <record id="2" aka="AAAAAAAAAAI=">
+    <pickle>
+      <global name="Length" module="BTrees.Length"/>
+    </pickle>
+    <pickle> <int>0</int> </pickle>
+  </record>
+  <record id="3" aka="AAAAAAAAAAM=">
+    <pickle>
+      <global name="OOBTree" module="BTrees.OOBTree"/>
+    </pickle>
+    <pickle>
+      <none/>
+    </pickle>
+  </record>
+  <record id="4" aka="AAAAAAAAAAQ=">
+    <pickle>
+      <global name="OOBTree" module="BTrees.OOBTree"/>
+    </pickle>
+    <pickle>
+      <none/>
+    </pickle>
+  </record>
+</ZopeData>

master/bt5/vifib_erp5/PropertySheetTemplateItem/portal_property_sheets/VifibComputerPartitionConstraint/non_busy_partition_has_no_related_instance_constraint.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="Category Related Membership Arity Constraint" module="erp5.portal_type"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_identity_criterion</string> </key>
+            <value>
+              <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+            </value>
+        </item>
+        <item>
+            <key> <string>_range_criterion</string> </key>
+            <value>
+              <persistent> <string encoding="base64">AAAAAAAAAAM=</string> </persistent>
+            </value>
+        </item>
+        <item>
+            <key> <string>constraint_base_category</string> </key>
+            <value>
+              <tuple>
+                <string>default_aggregate</string>
+              </tuple>
+            </value>
+        </item>
+        <item>
+            <key> <string>constraint_portal_type</string> </key>
+            <value> <string>python: (\'Software Instance\', \'Slave Instance\')</string> </value>
+        </item>
+        <item>
+            <key> <string>description</string> </key>
+            <value> <string>Computer Partition which is not busy, shall have none aggregate related instance.</string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>non_busy_partition_has_no_related_instance_constraint</string> </value>
+        </item>
+        <item>
+            <key> <string>int_index</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>max_arity</string> </key>
+            <value> <int>0</int> </value>
+        </item>
+        <item>
+            <key> <string>membership_criterion_category</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>min_arity</string> </key>
+            <value> <int>0</int> </value>
+        </item>
+        <item>
+            <key> <string>portal_type</string> </key>
+            <value> <string>Category Related Membership Arity Constraint</string> </value>
+        </item>
+        <item>
+            <key> <string>string_index</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>test_method_id</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>test_tales_expression</string> </key>
+            <value> <string>python: context.getSlapState() != \'busy\'</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+  <record id="2" aka="AAAAAAAAAAI=">
+    <pickle>
+      <global name="PersistentMapping" module="Persistence.mapping"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>data</string> </key>
+            <value>
+              <dictionary/>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+  <record id="3" aka="AAAAAAAAAAM=">
+    <pickle>
+      <global name="PersistentMapping" module="Persistence.mapping"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>data</string> </key>
+            <value>
+              <dictionary/>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

master/bt5/vifib_erp5/bt/revision

-443
\ No newline at end of file
+444
\ No newline at end of file

master/bt5/vifib_erp5/bt/template_portal_type_property_sheet_list

 Assignment | VifibAssignmentConstraint
+Computer Partition | VifibComputerPartitionConstraint
 Computer | VifibComputerConstraint
 Email | VifibEmailConstraint
 Hosting Subscription | VifibHostingSubscriptionConstraint

master/bt5/vifib_erp5/bt/template_property_sheet_id_list

 VifibAssignmentConstraint
 VifibPersonConstraint
+VifibComputerPartitionConstraint
 VifibEmailConstraint
 VifibComputerConstraint
 VifibSoftwareProductConstraint