MergeIterator Methods

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

Method	Description
addCollection	Adds the specified dictionary to the merged iterator view
back	Accesses entries in reverse order in the merged iterator view
current	Returns the last value iterated by the back or next method
getCollectionAt	Returns the dictionary at the specified index in the collection of dictionaries making up the merged iterator view
getCollectionCount	Returns the number of dictionaries
getCurrentCollection	Returns the dictionary containing the last value iterated by the back or next method
getCurrentKey	Retrieves a single key from a dictionary while iterating through the merged iterator view
getCurrentKeys	Retrieves keys from a dictionary while iterating through the merged iterator view
isValid	Returns true if the receiver is a valid iterator
next	Accesses successive entries in the merged iterator view
removeCollection	Removes the specified dictionary from the merged iterator view
reset	Initializes the iterator
startAtObject	Sets the starting position of the iterator at the position of the specified object
startKeyGeq	Sets a start position within the merged iterator view at the object equal to or after the specified key
startKeyGtr	Sets a start position within the merged iterator view at the object after the specified key
startKeyLeq	Sets a start position within the merged iterator view at the object equal to or before the specified key
startKeyLss	Sets a start position within the merged iterator view at the object before the specified key