Updating Read Only Entities

Question

Is there any way we can update an entity if its maintenance object only allows read only option.
I tried updating the status of deposit control using an algorithm but it gave an error like "Illegal attempt to modify read only entity".
Can I update the status of deposit control through algorithm in hibernate?
Thanks in advance.

Answer 1

My Experience is different. As far as I am aware you can use a Business Service to do the update. The two that I have done are the To Do Entry and the WF Process.
I am assuming your situation is that the Maintenance Object has the Option "B/O Maintenance Y/N" set to "N" and this is the reason you cannot update using a BO.
Here are the steps to do it with a Business Service using the WF Process as an example where we want to add a WF Characteristic.
1. Create a Business Service based on the Page Maintenance. Program
For the schema, what I do is create the schema for the BO and then copy it to the Business Service Schema. You will have to change the mapChild to mapList and change the mapChild table name (e.g. CI_WF_PROC_CHAR) to the list name in the Business Service (e.g. WF_PROC_CHAR). Have a look at the page service in the application viewer to get your names for the lists etc.
2. To be able to update the data in the business service you need to change the schema element to
<schema pageAction="update">
3. for my purposes I wanted to add a characteristic so my schema looks like this.
<schema pageAction="update">
<workflowProcessId mapField="WF_PROC_ID"/>
<workFlowProcessCharacteristic type="list" mapList="WF_PROC_CHAR">
<characteristicType mapField="CHAR_TYPE_CD"/>
<version mapField="VERSION"/>
<sequence mapField="SEQ_NUM"/>
<characteristicValue mapField="CHAR_VAL"/>
<adhocCharacteristicValue mapField="ADHOC_CHAR_VAL"/>
<characteristicValueForeignKey1 mapField="CHAR_VAL_FK1"/>
<characteristicValueFK2 mapField="CHAR_VAL_FK2"/>
<characteristicValueFK3 mapField="CHAR_VAL_FK3"/>
<characteristicValueFk4 mapField="CHAR_VAL_FK4"/>
<characteristicValueFK5 mapField="CHAR_VAL_FK5"/>
<searchCharacteristicValue mapField="SRCH_CHAR_VAL"/>
</workFlowProcessCharacteristic>
</schema>
4. Now create your inbound service based on the Business Service.
I like to make the transactionType in the xai inbound service to Read by default and then override it when I need to .
5. Now for the xml to add my characteristic.
<?xml version="1.0" ?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="urn:schemas-xmlsoap-org:envelope">
<SOAP-ENV:Header>
<SOAPActionVersion>2.0.0</SOAPActionVersion></SOAP-ENV:Header>
<SOAP-ENV:Body >
<cmWorkflowProcessCharacteristic>
     <workflowProcessId>5246086031</workflowProcessId>
          <workFlowProcessCharacteristic>
               <characteristicType>FILENAME</characteristicType>
               <adhocCharacteristicValue>/CSVFiles/SMOMeterReads/SMOMeterReads.EN0010--20011217T093047.0Z-_.csv</adhocCharacteristicValue>
          </workFlowProcessCharacteristic>
     </cmWorkflowProcessCharacteristic>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
NOTES:
Some one from Oracle Product might to clarify a few of the following points but this is my observations.
There are 3 settings that you will read about, transactionType, rowAction and pageAction.
1. The pageAction is for Business Services based on Page Services (e.g. CILWPROP)
2. You may be tempted to try and updated the characteristics with a List service (e.g. CILWPCHL)
This has to be specified as transactionType of LIST and as far as I am aware you cannot update using a LIST service.
The XAI Best Practises document indicates you can use the rowAction flag to accomplish updates but I think that what it is really saying is that you can only update using a LIST service if it is contained in a wrapper service like a Page Service at which time you can set the transactionType or pageAction to update etic and then the rowAction will take affect.
I have found no List services in any of the training material or the demo database that provides functionality to update via a list service.
3. I have tried overriding a business service by using transactionType but to no avail and so I have resorted to adding the
<schema pageAction="update">
4. I have seen a comment on the forum that you can pass in the pageAction into the XAI transaction but I would like to see this in action before I say you can do it.
5. It may be that the transactionType override is only effective in BO. I have used it CC&B v1.5 platform and using BO in v2
As you can see you have raised an interesting topic and this area is changing in CC&B from v1.5 to FW V2 to FW v4.
If you have any further observations feel free to correct me where necessary.
Hope this helps.