Oracle JHeadstart Developer's Guide - Downloads - Oracle

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Suggestion: If all primary key attributes have the same name, for example Id, retrieving sequence values from the database in the create method is something you could implement in your BC base classes. By doing so, you do not need to implement a create method for each entity object. In the EO base class you can retrieve from one sequence that is used for all Entity Objects. Or you can implement a more sophisticated mechanism that derives the sequence name from the Entity Object name. 3.2.4.2. Surrogate Primary Key populated in the database The database generates the primary key value, so no Java code is needed to populate the primary key. However, your Business Components Model needs to know that values get refreshed in the database after the insert. ADF Developer’s Guide, section 6.6.3.8 “Trigger-Assigned Primary Key Values”. http://download-west.oracle.com/docs/html/B25947_01/bcentities006.htm#sm0147 When you plan to create screens that insert a master row and one or more detail rows in one transaction, you will need to ensure that ADF BC first posts the master row and then the detail rows, otherwise ADF BC will not be able to set the foreign key of the details rows correctly. To enforce this posting sequence, you should mark the entity association as “Composite Association”. Note that when you mark an association as composite, the detail entity object can only be created as a detail of the master entity object, which means you cannot create a page that directly creates detail entity object, in addition to the master-detail page. If you try to do so, you will get error JBO-25030: Failed to find or invalidate owning entity. 3 - 8 Creating Business Components JHeadstart Developer's Guide
Weblog Steve Muench: “Why do I get InvaliOwnerException”. http://radio.weblogs.com/0118231/stories/2003/01/17/whyDoIGetTheInvalidownerex ception.html 3.2.5. Setting Entity Object Attribute Properties used by JHeadstart A number of properties that you can set on the Entity Object attribute panel are carried forward by JHeadstart into the Application Definition file used to generate the application: • Mandatory: when this checkbox is checked, the item that is based on this attribute will be generated with an asterisk in front of the label, and a JavaScript alert will be displayed when you submit the page when the item is still empty. • Queryable: when checked, the item created for this attribute in the Application Definition will have the Show in Quick Search and Show in Advance Search checkboxes checked by default. Of course, you can uncheck these checkboxes later on. • Updateable: when set to “While New” the item will be generated as a read-only item when an existing row is displayed on the page. When set to “Never” the item will be read-only in the generated page. Note that Queryable and Updateable properties can also be defined at the view object (VO) level. An item that is queryable at EO level can be made non-queryable at VO level. An item that is updateable at the EO level can be made (partly) read-only at the VO level. The VO level settings take precedence when JHeadstart creates the Application Definition file. 3.2.5.1. Specifying Entity Object Control Hints You can specify Control Hints for an attribute in an Entity Object. See the screenshot below. JHeadstart Developer's Guide Creating ADF Business Components 3 - 9
Page 1 and 2: ORACLE JHEADSTART 10g for ADF (RELE
Page 3 and 4: CONTENTS CHAPTER 1 GETTING STARTED
Page 5 and 6: 4.7. Customizing Using Generator Te
Page 7 and 8: 6.13.3. Generating the Button that
Page 9 and 10: CHAPTER 11 INTERNATIONALIZATION AND
Page 11 and 12: CHAPTER 1 Getting Started Developin
Page 13 and 14: 1.1.3. What is Oracle JHeadstart? F
Page 15 and 16: 1.2. Roadmap to Developing ADF Appl
Page 17 and 18: 1.2.3. Design and Generate Web Page
Page 19 and 20: Web Reference: : Oracle Application
Page 21 and 22: CHAPTER 2 Set Up Project for Team-
Page 23 and 24: • The files that most often are m
Page 25 and 26: JHeadstart Developer's Guide Gettin
Page 27 and 28: • Create a New Application (choos
Page 29 and 30: 2.2.4. Creating Database Connection
Page 31 and 32: 2.3. Organizing JHeadstart Applicat
Page 33 and 34: 2.4. Defining Java Package Structur
Page 35 and 36: CHAPTER 3 Creating ADF Business Com
Page 37 and 38: Reference: See the Oracle Applicati
Page 39 and 40: 3.2. Creating the Entity Object Lay
Page 41: 3.2.4. Generating Primary Key Value
Page 45 and 46: 3.2.6. Implementing Business Rules
Page 47 and 48: 2. Choose List Validator and enter
Page 49 and 50: 3.3. Creating View Objects and Appl
Page 51 and 52: user action. The solution is shown
Page 53 and 54: It is also possible to let the user
Page 55 and 56: 4. Make sure that the 'Mapped to Co
Page 57 and 58: Attention: You can have multiple le
Page 59 and 60: CHAPTER 4 Using JHeadstart T his ch
Page 61 and 62: 4.1.1. Input Output • The type of
Page 63 and 64: 4.2.2. Enabling JHeadstart on an ex
Page 65 and 66: 4.3. Using the Create New Applicati
Page 67 and 68: 4.4. Using the Application Definiti
Page 69 and 70: 4.4.2. Service As you can see in th
Page 71 and 72: 4.4.6. Regions An LOV is populated
Page 73 and 74: 4.4.9. Manipulating Objects A dynam
Page 75 and 76: The new object is an exact copy of
Page 77 and 78: JHeadstart Developer’s Guide Usin
Page 79 and 80: You will see logging of what has be
Page 81 and 82: the radio button “Specify Host Na
Page 83 and 84: 4.7. Customizing Using Generator Te
Page 85 and 86: • config/defaultTemplateBindings.
Page 87 and 88: VTL uses references to embed dynami
Page 89 and 90: In addition to the XSD attributes,
Page 91 and 92: Note that it only makes sense to cr
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4.8. Generating Mobile Applications
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4.8.5. Adding a View Type The jag-c
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CHAPTER 5 Generating Page Layouts T
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5.1.1. Hide Items on the Form Page
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Region layout style ‘horizontal
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managed bean Hashmap called createM
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Example In this example the Countri
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5.3.1. Hide Items in a Table The ge
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The example screenshot below shows
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5.3.6. Using Table Overflow Referen
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The above example shows the Employe
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When you choose a button for naviga
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5.5.1. Master-Detail on Separate Pa
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Note that the nested table could it
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So this is our database diagram: We
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Definition’ wizard. Anyway, you s
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8. By default, the tree is rendered
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Generating a tree for such a situat
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• Add a Query Where Clause to the
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• Regenerate. You should get this
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Warning: This issue (selecting a tr
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2. Create a new Dynamic Domain in t
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• An m:n relation exists between
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5.7.3. Understanding How JHeadstart
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5.8. Creating Wizard Layouts A wiza
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5.9. Changing the Overall Page Look
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After turning off the generation of
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5.9.3.2. Declaring the New Region T
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CHAPTER 6 Generating User Interface
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6.2. Default Display Value 6.2.1. U
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adio-vertical radio-horizontal edit
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6.4.2. Setting Maximum Length The n
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6.5.3. Dynamic dropdown list based
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6.7. Generating a List of Values (L
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In that case you must include all t
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3. Got to the newly created Locatio
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6.7.4. Use LOV for Validation 10. G
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the LINE_ITEM_ID of the ORDER_ITEMS
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When you have selected a row in the
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6.9. Generating a Checkbox You can
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6.10.1. Combining File Display Opti
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throw new JboException(e); } } retu
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6.11. Generating a Graph The values
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appearance of the graph changed to
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• Choose a value for the Clear/Re
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• In case of a table layout the d
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} } double convertedPercentage = ne
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As you can see, the buttons are inc
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6.13.4. Creating a Button that Call
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As you can see, the inputText and c
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6.14. Hyperlink to Navigate Context
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5. Insert inside the commandLink co
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6.15. Embedding Oracle Forms in JSF
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CHAPTER 7 Generating Query Behavior
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In the dropdown list, all the emplo
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6. Set the property Domain (on the
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Note that because of the value of t
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7.2.3. Using Advanced Search 7.2.4.
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• In the Departments View Object,
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Note the searchBinding managed prop
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7.3. Forcing a Requery 7.3.1. Imple
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CHAPTER 8 Generating Transactional
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8.1.3. Allowing the User to Insert
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8.3. Enabling Delete Example ‘Del
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8.5. Runtime Implementation of Tran
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8.5.4. Commit Handling The ‘Commi
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CHAPTER 9 Creating Menu Structures
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9.1.2. Preventing Generation of a M
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Another common scenario is to have
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9.2.2. Enabling Dynamic Menus You c
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• A SQL Script named DynamicMenuD
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For example, within the HRModule, l
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If you now restart the application,
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CHAPTER 10 Application Security A p
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10.1.2. JAAS Custom Login Module A
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10.1.4. Custom Security 10.1.5. ADF
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10.1.6. ADF BC Security • Regener
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You can right-mouse-click on the Jh
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10.3. Using JAAS-JAZN for Authentic
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Note that if you use the JDeveloper
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10.4.3. System-jazn-data.xml Note t
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10.4.5. Debugging the Custom Login
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10.5.3. Login Page and Login Bean 1
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10.6.2. When Access Denied Go To Ne
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Reference: See the Javadoc of the m
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10.7.2. Restricting Item Operations
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10.8.4. Changes to SQL Script Templ
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11.1. National Language Support in
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11.1.3. Adding a non-supported Loca
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11.2.2. Running the JHeadstart Appl
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11.2.3. Running the Application If
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11.3. Runtime Implementation of Nat
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11.4. Error Reporting The ADF SR De
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11.5. Outstanding Changes Warning W
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12.1. Creating the Database Tables
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12.2. Enabling Runtime Usage of Fle
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12.2.3. Generating the Flex Region
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12.3. Defining Flex Items At Runtim
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Setting up another Item Region and
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12.5. Internationalization and Flex
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After you saved your changes and cl
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13.1. Introduction into JHeadstart
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13.2. Roadmap When you plan to use
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You can use the Browse button to op
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form-specific. Therefore, the entit
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13.3.5. Processing the Selected For
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The last printed line in this windo
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13.4. Understanding the Outputs of
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To make sure the ADF Business Compo
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13.5. Handling Forms PL/SQL Logic 1
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This page is intentionally left bla
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14.1. JSF Lifecycle Phases 14.1.1.
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lifecycle sequence. When you set th
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Reference: For more information abo
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14.3. JHeadstart Page Lifecycle The
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