How to set programmatically different view settings in the same workflow

Hi all

I have a business view that calls another view activity B with a link. In this connection, the action takes place to a method (I use the class JSFUtils: http://jdeveloper-adf.googlecode.com/svn/trunk/TGPrototype2/ViewController/src/com/tgslc/defaultManagement/utils/JSFUtils.java):

public String goToB() {}

String paramToPass = "someParameterTakenInSomeWay";

JSFUtils.setExpressionValue("#{pathToViewB_pageBPageDef.paramName}",paramToPass);

Return "openActivityB";
}

where openActivityB is the case of control flow to call B.

In the file for pageDef B, I put a parameter "paramName" worthless:

<? XML version = "1.0" encoding = "UTF-8"? >
< pageDefinition xmlns = "http://xmlns.oracle.com/adfm/uimodel."
version = "11.1.1.59.23" id = "pageBPageDef" >
< Parameters >
< parameter id = "paramName".
value = "" / >
< / Parameter >
< executables / >
< bindings / >
< / pageDefinition >

But at the time of operation, I have an oracle.jbo.expr.JIEvalException:

Houston-25077: paramName not found in the object name specified: pathToViewB_pageBPageDef.

The question is: How can I set the parameter view activity programmatically?

Note that I use this method to set the parameter because in the real application, I have many 'view activity' that will call B, but all these should adjust this setting.

I use JDeveloper 11.1.1.4.

Thanks in advance,
Baudel

Hello

This is because PageDef B represents a link container that is not active at the same time you try to call it. The link container becomes available when you navigate to the page, but not before. Instead:

1. define a bean managed pageFlowScope and expose a Set/getter accessor method to contain the value to pass
2. the bean managed pageFlowScope property reference of NDValue attributebinding using EL
3 set the managed bean before you navigate to view B

Frank

Tags: Java

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