net.sf.zig_project.gpl.common.queue
Class ArrayQueue.ArraySequencer

java.lang.Object
  net.sf.zig_project.gpl.common.enumerations.ArrayEnum
      net.sf.zig_project.gpl.common.queue.ArrayQueue.ArraySequencer

All Implemented Interfaces:

Enumeration

Enclosing class:

ArrayQueue

protected static class ArrayQueue.ArraySequencer

extends ArrayEnum

An Enumerable interface for ArrayQueue. This class overrides ArrayEnum in order to account for wrapping, where the beginning of the array may start at a higher index than the end of the array.

Field Summary

protected boolean

usewrap

Fields inherited from class net.sf.zig_project.gpl.common.enumerations.ArrayEnum

entries, index, term

Constructor Summary

protected

ArrayQueue.ArraySequencer(ArrayQueue q)

Method Summary

int	available() Determines the current number of valid elements which the Enumeration can currently Enumerate over.
protected void	copyIntoRsvd(Object[] targ, int off, int len) Reserved internal method to enumerate over elements in this Enumeration, copying them into the target array.
boolean	hasMoreElements() Determines if the current Enumeration currently has any more elements to enumerate over.
Object	nextElement() Moves the position of this Enumeration to the next element and returns it.

Methods inherited from class net.sf.zig_project.gpl.common.enumerations.ArrayEnum

copyInto, copyInto

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

usewrap

protected boolean usewrap

Constructor Detail

ArrayQueue.ArraySequencer

protected ArrayQueue.ArraySequencer(ArrayQueue q)

Method Detail

nextElement

public Object nextElement()

Description copied from class: ArrayEnum

Moves the position of this Enumeration to the next element and returns it.

Specified by:

nextElement in interface Enumeration

Overrides:

nextElement in class ArrayEnum

hasMoreElements

public boolean hasMoreElements()

Description copied from class: ArrayEnum

Determines if the current Enumeration currently has any more elements to enumerate over.

Specified by:

hasMoreElements in interface Enumeration

Overrides:

hasMoreElements in class ArrayEnum

available

public int available()

Description copied from class: ArrayEnum

Determines the current number of valid elements which the Enumeration can currently Enumerate over.

Overrides:

available in class ArrayEnum

Returns:

the number of available elements

copyIntoRsvd

protected void copyIntoRsvd(Object[] targ,
                            int off,
                            int len)

Description copied from class: ArrayEnum

Reserved internal method to enumerate over elements in this Enumeration, copying them into the target array. Calls to this method are only made after the parameters have been verified as valid.

Overrides:

copyIntoRsvd in class ArrayEnum

Parameters:

targ - the array to copy elements into

off - the offset within the target array to start copying elements

len - the number of elements to copy