Binding Objects in the Executables Section
The following types of binding objects are available in the executables section:
iterator: Is the basic link from data to binding
methodIterator: Links the results of a method call to a binding
accessorIterator: Links to detail collections for nested objects (not used with ADF BC)
variableIterator: Accesses local data defined in the page definition file
Most often used for method arguments
Not linked to a data control
invokeAction: Allows the invocation of a method binding automatically within the life cycle (an alternative to invocation using a user action—for example, clicking a button). This type of binding was used in earlier versions of JDeveloper to invoke a method, but in the current version it is better to use a method call in a task flow, which gives you better control over when the method is executed.