Oracle ADF Real World Developer's Guide. Mastering essential tips and tricks for building next generation enterprise applications with Oracle ADF with this book and Jobinesh Purushothaman

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• Oracle ADF Real World Developers Guide
  • Table of Contents
  • Oracle ADF Real World Developer's Guide
  • Credits
  • About the Author
  • Acknowledgement
  • About the Reviewers
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  • Preface
    • What this book covers
    • What you need for this book
    • Who this book is for
    • Conventions
    • Reader feedback
    • Customer support
      • Downloading the example code
      • Errata
      • Piracy
      • Questions
  • 1. Getting Started with Oracle ADF
    • Introduction to Oracle ADF
    • Why Oracle ADF?
    • Oracle ADF architecture
      • View layer
      • Controller layer
      • Model layer
      • Business services layer
    • Comparing the Fusion web application technology stack to the Java EE web application
      • View layer
      • Controller layer
      • Data binding layer
      • Business service layer
    • Developing with ADF
      • Setting up the development environment
      • Picking up the tool for development
        • Setting up the Software Configuration Management tool
        • Build tool
        • Team collaboration
      • Taking a quick tour of the JDeveloper IDE
    • Your first Fusion web application
      • Starting JDeveloper IDE for the first time
      • Picking up the right application template
        • Analyzing the generated metadata files
      • Connecting to the database
        • What happens when you create a database connection?
      • Generating the data model and business services
        • Building entity objects to persist your business data
        • Building view objects to shape your business data
        • Building an application module to facade your business service implementation
        • What is there in your model project source now?
      • Building user interfaces from the model
        • What have you got in your view controller project source now?
      • Deploying and running the application
        • Running the application using an integrated webLogic server
        • Running the application on a standalone application server
    • Summary
  • 2. Introduction to ADF Business Components
    • Business service layer
      • Why ADF Business Components?
    • Overview of ADF Business Components
      • Oracle ADF Business Components' feature list
      • Core building blocks
        • Entity objects
        • Associations
        • View objects
        • View links
        • Row sets
        • Query collections
        • Application modules
        • Services and service data objects
    • Building a simple business service
      • ADF Business Components configuration files
    • Oracle ADF Model Tester
    • Using the ADF Model Tester to test the CRUD operations on business data
      • Testing business methods
    • Java test client for ADF Business Components
    • Understanding the runtime behavior of ADF Business Components
      • Roles and responsibilities of the view object, row set, and query collection
        • A closer look at query collection
      • What happens when you execute an entity-based view object?
      • What happens when you commit a transaction?
    • Summary
  • 3. Introducing Entity Object
    • Introduction
    • Ingredients of an entity object
      • Runtime collaboration between business components
    • Core features of ADF entity objects
    • Developing entity objects
      • Creating a database connection
      • Initializing the ADF model project
      • Creating entity objects
        • Choosing the database object type
      • Generating Java classes for entity components
      • Commonly used properties of an entity attribute
        • Attribute names in an entity object
        • Attribute types in an entity object
        • Using a resource bundle to localize UI hint properties
          • Accessing the resource bundle from the entity object class
        • Property set
          • Creating a property set
          • Associating the property set with the entity object attributes
          • Using custom properties in business logic
        • Persistent and transient attributes
        • Specifying a default value for an entity attribute
        • Effective dated entity objects
        • Defining the primary key
        • Inheritance hierarchies in entity objects
          • Creating inheritance hierarchies for entity objects
        • Updatability of entity attributes
        • Refreshing attributes on posting changes to the database
        • Marking an attribute as mandatory
        • Checking data inconsistency by using the Change Indicator attribute
        • Queriable attributes
        • Tracking change history
        • Configuring UI hints for an attribute
        • Specifying dependency attributes
      • Commonly used properties of an entity object
        • Setting an alternate key for an entity object
        • Specifying custom properties
        • Defining entity association
          • Composition association
            • Properties of composition association
        • Retaining the association accessor row set
        • Adding validation
          • Adding a validation rule to an attribute
          • Adding a validation rule to an entity object
          • Transaction level validation
          • Defining a custom validation rule
        • Concurrent access and locking
          • Configuring Locking Mode for an ADF application
        • Securing entity objects
        • Enabling a batch update in an entity object
    • Working with entity objects
      • Programmatically creating an entity instance
      • Entity object in a transaction post cycle
    • Summary
  • 4. Introducing View Object
    • Introduction
    • Concepts and architecture
      • Ingredients of a view object
    • Core features of ADF view objects
    • Developing view objects
      • Creating view objects
      • Using the Create View Object wizard
        • Creating a view object with entity usage mapping
        • Creating a view object with SQL query
        • Creating a view object with static list
        • Creating a programmatic view object
        • Creating a declarative SQL mode view object
      • Optionally generating Java classes for a view object
      • Commonly used properties of view objects
        • Annotate attributes using UI hints
        • Adding business rules
    • Working with view objects
      • List of values
        • Configuring the list of values
      • Linking two view objects
        • Where clause and Reverse Where clause
      • Inheritance hierarchies in view objects
        • Inheritance hierarchies in view objects with non-polymorphic entity usage
        • Inheritance hierarchies in view objects with polymorphic entity usage
      • Querying the datasource by using a view object
        • Specifying the query mode for a view object
        • Adding WHERE clause to a view object
          • Appending the WHERE clause at design time
          • Appending the WHERE clause at runtime
        • Using bind variables
          • Programmatically specifying the value for bind variables
        • Changing the query of a view object at runtime
        • Programmatically sorting view object rows
        • In-memory filtering of row sets
          • In-memory filtering with RowMatch
          • In-memory filtering by overriding rowQualifies() in ViewObjectImpl
        • View criteria
          • Architecture of view criteria
      • Effective dated view objects
      • Using alternate keys in a view object
      • Using findByKey() on view objects
      • Creating new rows through the view object
        • Creating child rows in composition association
      • View link consistency
        • Configuring view link consistency
        • How view link consistency works
        • Why does view link consistency fail when you add a dynamic WHERE clause?
      • What happens when you execute a view object?
    • Summary
  • 5. Advanced Concepts on Entity Objects and View Objects
    • Taking a closer look at entity objects
      • Lifecycle of an entity object
      • Reading the current state of an entity row
      • Reading the originally retrieved attribute value
      • Retrieving all entity instances in the cache
      • Lifecycle callback methods of an entity object
        • What happens when a new entity instance is created?
        • What happens when an entity instance is modified or removed?
        • What happens when the transaction is committed?
      • Building programmatically managed entity objects
      • Generating a database independent unique ID
        • How does unique ID sequencing work
        • Using middle tier generated unique keys
      • Refreshing entity rows, forgetting the changes
      • Building custom history types
    • Taking a closer look at view objects
      • Lifecycle callback methods of a view object
        • What happens when a client invokes executeQuery() on a view object instance?
        • Count queries in a view object
      • Building programmatically managed view objects
      • Intercepting query generation for view criteria
        • Using a custom view criteria adapter
        • Overriding getViewCriteriaClause(boolean forQuery) in the view object implementation class
        • Overriding getCriteriaItemClause(ViewCriteriaItem vci) in the view object implementation class
        • Tips on overriding getViewCriteriaClause() and getCriteriaItemClause() in the view object implementation
      • Customizing the query at runtime
        • Customizing the query for a row set
        • Customizing the query for a view object
      • Passing parameters to a SQL IN clause using oracle.jbo.domain.Array
        • Using oracle.jbo.domain.Array as a NamedWhereClauseParam value
        • Using oracle.jbo.domain.Array as a bind variable value for a view criteria item
      • Defining a cascading list of values
      • Switching the LOV at runtime
      • Reading and writing XML data
    • Advanced data type techniques
      • Building custom data types using domain type
        • Working with BLOB and CLOB data types
        • BLOB and CLOB support for alternate databases
    • Building business components dynamically
      • Building dynamic entity objects and view objects
        • Steps for building entity definition at runtime
        • Steps for building a view definition with entity usage at runtime
      • Personalized business components
    • Summary
  • 6. Introducing the Application Module
    • Introduction
    • Concepts and architecture
      • Ingredients of an application module
      • Additional core components
    • The core features of an application module
    • Defining an application module
      • Creating application modules
      • Optionally generating Java classes for an application module
      • Adding hierarchical view object instances to an application module
      • Overriding the default properties of an application module
        • Commonly used application module configuration properties
      • Modifying the JDBC data source name for an application module
      • Overriding properties for a view object instance
        • Declaratively applying view criteria to a view object instance
    • Sharing of application module data
      • An alternative option to define a shared application module
      • Runtime behaviour of shared application modules
      • Query execution for a shared view object
      • Shared query collection cache management
        • The maximum weight of the query collection pool
        • Query collection weight
      • Consuming a shared application module
        • Accessing view objects defined in a shared application module through a view accessor
      • Associating view criteria with shared application module instances
    • Nesting application modules
      • Accessing a nested application module from the parent
    • Working with an application module
      • Exposing the business service method through data control
      • Where do you write custom business logic in a fusion web application?
      • Invoking an application module from a Java client
      • Invoking a shared application module from a Java client
      • What you may need to know about programmatically releasing an application module?
      • What happens when a client creates an application module instance?
      • The lifecycle of an application module
        • Passivation activation of application modules
        • Programmatic passivation and activation of custom data
      • Storing business data at user session level
        • Using a transient view object
        • Using a user session data map
        • Using a client bound session map object
      • Using JDBC APIs in an application module
      • Using save points for undo operations
      • Programmatically configuring an application module
      • Programmatically building a master-child view object
      • Using ADF Business Components with Java EE components
    • Summary
  • 7. Binding Business Services with the User Interface
    • Introduction
    • Binding model data with user interfaces
    • Building a simple data bound web page
    • Is a view object really a data collection?
    • What happens when we drop a data collection on a page?
      • Taking a closer look at the ADF Model metadata files
        • adfm.xml
        • DataBindings.cpx
        • adf-config.xml
        • adf-settings.xml
    • Browsing through the page definition file
      • Parameters
      • Executables
      • Bindings
      • Using the binding editor
      • Programmatically accessing page binding elements
        • Accessing binding container
      • Programmatically accessing the parameter binding
        • Programmatically executing method action binding
      • Accessing the list control binding
      • Accessing the attribute binding
        • Accessing the iterator binding and associated view object
    • What happens when you access a Fusion web page?
    • Invoking an application module from a Java servlet
      • Using Configuration::createRootApplicationModule() in HttpServlet
      • Using ADF binding APIs in an HttpServlet
    • Adding custom phase listeners
    • Summary
  • 8. Building Data Bound Web User Interfaces
    • Introduction
    • The art of laying out pages
      • Organizing page contents a case study
    • Adding actions to your page
      • Choosing between the managed bean method and the data control method as event handlers
        • Using managed bean methods as event handlers
        • Using data control methods as event handlers
    • Building data bound table UIs
      • What happens when you drop a data collection as a table on a page?
      • Commonly used attributes of iterator bindings
      • What happens at runtime in a data bound table?
      • Adding edit functionalities for a table
        • Creating a new row
        • Deleting a row
        • Committing changes
        • Programmatically accessing a selected row from a table
        • Declaratively reading the attribute value from the currently selected row
    • Building data bound master-detail UIs
      • Building a master-detail data model
      • Building a master-detail UI
      • What happens at runtime in the master-detail UI?
    • Building a data bound tree table UI
      • Building hierarchical view objects
      • Creating a tree table UI
        • What happens when you drop a data collection as a tree table on a page?
        • Decorating the tree table UI
      • What happens at runtime in a data bound tree table?
        • Synchronizing UIs using the target data source
        • What happens at runtime in the target data source?
      • Adding edit functionalities for a tree table
        • Configuring the parent view object to retain the view link accessor row set
        • Creating utility methods for reading RowIterator and selected RowKey for the selected node
        • Implementing create and delete methods in the application module
        • Creating a new row
        • Deleting a row
      • Programmatically refreshing the tree hierarchy
    • Accessing web tier values from business components
      • Using ADFContext to access client specific scoped variables
        • How does ADFContext provide uniform access across layers?
        • The pitfalls of using ADFContext
      • Passing web tier values as parameters to business service methods
        • Establishing a channel for passing web tier values to the business service layer
        • Using the user session data map to store values passed from the client
        • When should the client invoke the method that takes web tier values?
      • Making the user session data map passivation safe
    • Building data bound query search forms
      • Building the view criteria
        • Using UI hints to control the display for a query component
      • Building a search UI
        • What happens when you drop a view criteria as a query component on a page?
        • Commonly used properties of the search region binding
          • What is AutoQuery or ClearRowSet behavior?
      • Initializing criteria item values using web tier values
      • Programmatically controlling the display of a query component
      • Programmatically retrieving view criteria used for a query component
      • Programmatically resetting a query component
      • Search on a tree table
      • What happens at runtime in a tree table search?
    • Building a data bound multi select list
      • Programmatically accessing selected rows
    • Overriding UI hints in a view object
    • Summary
  • 9. Controlling the Page Navigation
    • Introduction
    • The navigation model in the JSF framework
      • Rule based navigation
      • Implicit navigation
        • How does implicit navigation work?
    • The navigation model in ADF
    • The ingredients of an ADF task flow
      • Task flow configuration files
      • ADF managed beans
        • What you need to know while using managed beans in JSF code?
      • Task flow activities
        • View activity
          • What document type should you choose while creating a JSF page?
          • Bookmarking view activity
          • Redirect URL
        • URL view activity
          • Specifying parameters for a URL view activity
          • What happens when runtime invokes a URL view activity from a bounded task flow?
        • Method call activity
          • Using a managed bean method in method call activity
          • Using data control operation in method call activity
        • Router activity
        • Save point restore activity
          • Where are ADF Controller save points created?
          • Using save points in a task flow
          • What happens when you create an ADF Controller save point?
          • Implicit save points
        • Task flow call activity
        • Task flow return activity
        • Parent action
    • Building an unbounded task flow
      • Using a managed bean to return a dynamic outcome for a navigation component
      • Conditionally executing a control flow case
      • Improving the readability of control flow cases
    • Adding an exception handler
      • Customizing the default exception handler
        • Building a custom javax.faces.context.ExceptionHandler
    • Using method call activity to initialize a page
      • Building a task flow with method call activity
        • What happens at runtime?
    • Building a menu model
    • Summary
  • 10. Taking a Closer Look at the Bounded Task Flow
    • Introduction
    • The properties of a bounded task flow
    • Building a bounded task flow
    • Working with bounded task flow activities
      • Marking an activity as the default activity
      • Marking an activity as an exception handler
      • Calling a bounded task flow using the task flow call activity
        • Using dynamic task flow calls
        • Commonly used properties for a task flow call activity
        • Using remote task flow calls
          • What happens at runtime when a remote task flow is called?
          • What you may need to know when you use remote task flow
    • Parameterizing a bounded task flow
      • Defining a task flow input parameter
      • Specifying input parameter values for a task flow
      • Defining the task flow return value
      • Reading a return value from a task flow
    • Consuming bounded task flows as ADF regions
      • Dynamically displaying the task flow
    • Lazy loading of an ADF region
    • Refreshing an ADF region
    • Displaying task flows using a pop up component
      • Lazy activation for a task flow when displayed in a pop up
    • Using a contextual event for communicating to an ADF region
      • Contextual event model
      • Using a contextual event
        • Defining an event publisher
        • Defining an event subscriber
          • Defining an event handler method
          • Subscribing to desired events
      • Contextual event propagation at runtime
    • Dynamically adding multiple regions to a page
    • Distributing ADF task flow as the ADF library
      • Packaging the task flow into the ADF library
      • Consuming task flows added into an ADF library
    • Using a train component in a bounded task flow
      • Creating a train in a bounded task flow
        • Setting display names for train stops
        • Customizing the display for train stops
        • Programmatically navigating between train stops
        • Executing methods while navigating between train stops
    • Transaction management in a bounded task flow
      • What happens at runtime?
      • Programmatically managing transactions for a task flow
    • The life span of a bounded task flow
    • Summary
  • 11. More on Validations and Error Handling
    • Introduction
    • Adding validation rules in a fusion web application
      • Defining validations in the ADF view layer
        • Defining a custom ADF Faces validator
          • Step1: Defining client-side validation in JavaScript
          • Step 2: Defining the validator Java class
          • Step 3: Configuring and using the validator
      • Defining validations in the ADF model layer
      • Defining validations in the ADF Business Components layer
        • Validations using custom domain objects
          • Creating and registering custom message bundles
          • What you may need to know while using custom domain types on the UI
          • When does the framework validate the custom domain object?
      • Where to put validation in a Fusion web application
    • Displaying validation exceptions on a page
    • Where in the page lifecycle does validation occur?
      • Client-side validation
      • Server-side validation
    • Error handling in ADF
      • Taking a closer look at DCErrorHandlerImpl
    • Programmatically throwing validation exceptions in business components
      • Localizing validation error messages
        • Resource bundle usage in entity objects and view objects
        • Resource bundle usage in the application module
        • Reading the resource bundle definition from the business component
      • Programmatically throwing validation exceptions
        • Building a validation exception using message strings from the resource bundle
      • Validation class hierarchy
      • Wrapping exceptions
      • Programmatically throwing multiple RowValException
      • Programmatically throwing AttrValException
    • Customizing default business component error messages
      • Step1: Creating and registering a custom message bundle
      • Step 2: Customizing the DCErrorHandlerImpl
      • Step 3: Registering the CustomErrorHandler
      • How does the CustomErrorHandler implementation work?
    • Skipping validation
      • Skipping validations in the ADF Faces layer
      • Skipping validations in the business components
    • Summary
  • 12. Oracle ADF Best Practices
    • Introduction
    • Setting up the project structure for your Fusion web application
      • Single application workspace comprising of multiple projects monolithic approach
      • Multiple application workspaces controlled by a single master application microkernel approach
        • Guidelines for setting up the application source using the microkernel approach
      • How to avoid cyclic dependency between modules
    • The life span of ADF Business Components
      • Life span of an application module
        • How the framework allocates an application module for serving a client request
        • More configuration options for an application module
        • When an application module is removed from the pool
          • Configuring the application module pool parameters a case study
      • Life span of a view object, row set, and query collection in a regular application module
        • The query collection cache and view accessor row set
      • The life span of entity objects
        • What if you want to clear an entity cache at specific points in time?
      • The life span of row sets in a shared application module
      • The life span of binding objects
    • The best practices and performance tuning for Oracle ADF
      • Tuning tips for an application module
        • Tips for optimizing an application module initialization
        • Tips for optimizing resource usages in an application module
        • Tips for fine-tuning the JDBC API use
        • Coding guidelines for application modules
      • Tuning tips for view objects
        • Tips for optimizing query execution in a view object
        • Tips for optimizing database read operations
        • Tips for setting a global row fetch limit for view objects
        • Tuning view criteria in view objects
        • Tips for optimizing LOV definitions
        • General tips for tuning view objects
        • Coding guidelines for view objects
      • Tuning tips for entity objects
        • Design guidelines for entity objects
        • Tips for validating entity objects
        • General tips for tuning entity objects
        • Coding guidelines for entity objects
      • Tuning tips for ADF model
        • Tips for tuning executable bindings
        • Tips for optimizing data traffic between a binding layer and business components
        • Tips for optimizing count query executions
        • Coding guidelines for ADF binding APIs
      • Tuning tips for ADF Controller and task flows
        • Tips for optimizing resource usage in a task flow
        • General guidelines for building successful task flows
        • Coding guidelines for managed beans
      • Tuning tips for ADF Faces
        • General tips for ADF Faces pages
        • Best practices for ADF Faces UI components
    • Internationalization of Fusion web applications
      • Configuring the time zone for a Fusion web application
    • Ensuring high availability for Fusion web applications
      • How does a bean data control participate in session replication in high availability mode?
    • Summary
  • Index

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