ADFUtils / JSFUtils for Oracle JDeveloper 11 g 2 Cookbook

Hi all

You might have heard and read very probably yet another great book on Oracle ADF and JDeveloper. Now a days I busy to read her recipes.

The author questions download the latest version of FOD here for classes ADFUtils and JSFUtils , located in the SupplierModule\ViewController\src\oracle\fodemo\supplier\view\utils directory level. I downloaded the latest project FOD and extract the files, but there is not SupplierModule within the project. I tried the project and got these loacted files to the StorefrontUI directory and these classes added to the recipe.

I thought that the recipe is made... but it is not the case...

While practitioners using a framework of actions to support generic bean recipe, the code contains a call to ADFUtils.hasChanges () is in error and it seems that either I'm using the wrong version of the ADFUtils/JSFUtils or downloaded the wrong FOD project where no SupplierModule is present.

I'm stuck now and can not continue...

Anyone with ADFUtils/JSFUtils with all methods used throughout the book?
...
Or a link to the right project FOD
...
Please help and it will be highly appreciated.

Thank you
Best regards
Bilal

Hi Bilal,

Firstly thank you for your good comments on the book :)

Now regarding the problem you are experiencing: hasChanges() is not part of the ADFUtils comes with the merger of the order (FOD) demo. This is a helper method that is implemented in the recipe ' * determine if the current transaction pending changes * "in Chapter 8: does not save Bakery: bean recipes. As I mentioned in the recipe by using ADFUtils/JSFUtils : "+ utility classes ADFUtils and JSFUtils, at the time of writing, are not part of any official release of JDeveloper.» "You will have to locate them, configure them and develop if necessary for your project. Thus, throughout the book, I expanded ADFUtils by adding a number of new helper methods that the book was evolving. Given that the code of the book progresses gradually from Chapter 1 to Chapter 12, you will find the full code in the last recipe (recipe 5) of Chapter 12. If you open the SharedComponents workspace for this recipe, you will find the ADFUtils as it has evolved throughout the writing of the book. For your convenience, I am also reprint hasChanges() utility method below:

    /**
     * Recipe: Determining whether the current transaction has pending changes.
     *
     * Determines whether there are changes done to the current record.
     *
     * @return true/false whether there are uncommited changes.
     */
    public static boolean hasChanges() {
        // check for dirty transaction in both the model and the controller.
        return isBCTransactionDirty() || isControllerTransactionDirty();
    }

    /**
     * Recipe: Determining whether the current transaction has pending changes.
     *
     * @return true/false whether there are pending changes in the BC.
     */
    public static boolean isBCTransactionDirty() {
        // get application module and check for dirty transaction
        ApplicationModule am = ADFUtils.getDCBindingContainer().getDataControl().getApplicationModule();
        return am.getTransaction().isDirty();
    }

    /**
     * Recipe: Determining whether the current transaction has pending changes.
     *
     * @return true/false whether there are pending changes in the controller.
     */
    public static boolean isControllerTransactionDirty() {
        // get data control and check for dirty transaction
        BindingContext bc = BindingContext.getCurrent();
        String currentDataControlFrame = bc.getCurrentDataControlFrame();
        return bc.findDataControlFrame(currentDataControlFrame).isTransactionDirty();
    }

While working on the recipe by using a generic support bean context action hasChanges() method can simply be added to the ADFUtils and just return true, i.e.:

    public static boolean hasChanges() {
        // for now return true; see recipe "Determining whether the current transaction has pending changes" for more info
        return true;
    }

Then, when you get to Chapter 8 and read the recipe to determine if the current transaction has changes pending , you can update hasChanges().

Hope this helps you continue with your "cooking" ;)

Nick

Tags: Java

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