Set value in ViewObject from another ViewObject

Hello,
I am creating a program and have the following problem: I Have three view Objects say like: A, B and C. A is the master class and has a view link to B an C. But now I am facing the following problem. When I create a new A and then B, in B a value is automatically retrieved from A (something like a before insert trigger but then programmatically from the (specific) entity object). (There isn't a commit yet!) Then when I create a new C. I want to show the value that was calculated in B shown in C. But there can be multiples rows in B so I want only the value from B from the row that is currently selected.
Has anybody an idea/solution to solve this?
Thanks in advance!

Hello,
I have a some like problem in adf bc.
Let me explain you what I want to do.
I have two tables. Message and MessageProperties. Message table is connected with itself as same as Employee table of HR. Means a Message can have various child message. MessageProperties contains the message properties. A message can have various properties. I want to show the message only if it has a particular value in MessageProperties,then its properties,its child message. If its child message have the same value in MessageProperties,then it shows that. Likewise it should give me a tree structure with its all properties
Let me explain you step by step what I have done for this.
1> I have created a view MessageView with two entities i.e Message and MessageProp and include the value attribute of MessageProp in it.
2> I have created the default MessagePropView from MessageProp Entity.
3> In MessageView I have modified the query which you have given.
4> I have created the Bind variables.
5> I have created a view criteria and in that view criteria I have included Message_Id=:Bind_MessageId and Value=:Bind_Value.
6> I have created an association connecting Message.Message_Id and Message.Parent_Id(1 to * cardinality) because a message can be a parent of many messages.
7> I have created a viewlink between Message and MessageProp using Message_Id.
8> I have created a view link between Message and Message using the association which I have created in step 6.
9> I have created the Application Module. In that,my Data Model looks like
---MessagePropView2
---MessageView1
---------MessagePropView1
---------MessageView2
10> Then I have created the service interface. In service interface view instances,I include these two view and select the GetByKey operation from basic operations.
11> From View Criteria find operations I have included the view criteria which I have created in message view in step 5.
12> Then I run the AppModuleServiceImpl.java and select the view criteria operation which I have created in step 11.
13> There I find two bind variables i.e. Bind_MessageId and Bind_Value. I give the values there.
But it checks whether that message Id(Bind_MessageId) which I have given have that value(Bind_Value) or not. If it has then it shows only that message along with its properties but it is not showing me its childs and their properties.
I want to show only those child message who have the MessageProp.value as (Bind_Value).
I hope you understand with the scenario.
I'll be very thankful to you if any help me to do this.
Thanks in advance.

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I'm really very appreciated for your quick reply! You know, today is Saturday, it's not a day for everyone at work.
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Edited by: user6715237 on 2013-4-19 下午11:18
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Set value in ViewObject from another ViewObject

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