ExternalIterator Methods

The methods defined in the ExternalIterator class are summarized in the following table.

Method Description
back Accesses entries in reverse order in the collection to which the external iteration is attached
getCollection Returns the external collection associated with the receiver
isValid Returns true if the receiver is a valid external iterator
next Accesses successive entries in the collection to which the external iterator is attached
reset Initializes the external iterator
startAtIndex Sets the starting position of the external iterator to a specified row in the result set
startNearIndex Sets the starting position of the iterator in the attached collection approximate to a relative index