org.javasteps.engine
Interface StepsIterator

public interface StepsIterator

The StepsIterator interface represents an iterator used to iterate over the process steps.

Version:

1.1

Author:

Ran Kornfeld

Method Summary

boolean	hasNext() Checks if a next step exist
boolean	hasPrevious() Checks if a previous step exist
Step	next() Retrieves the next step and moves the cursor forward
Step	previous() Retrieves the previous step and moves the cursor backwards

Method Detail

hasNext

boolean hasNext()

Checks if a next step exist

next

Step next()

Retrieves the next step and moves the cursor forward

Throws:

IndexOutOfBoundsException - If no next step is available

hasPrevious

boolean hasPrevious()

Checks if a previous step exist

previous

Step previous()

Retrieves the previous step and moves the cursor backwards

Throws:

IndexOutOfBoundsException - If no previous step is available