org.abstracthorizon.mercury.imap.util
Class SimpleSequence

java.lang.Object
  org.abstracthorizon.mercury.imap.util.SimpleSequence

All Implemented Interfaces:

Comparable<Sequence>, Sequence

public class SimpleSequence
extends Object
implements Sequence

A class representing simple implementation of Sequence. It has min and max, and maintains current pointer.

Author:

Daniel Sendula

Field Summary

protected int	max Default minimum value
protected int	min Default maximum value
protected int	ptr Current pointer

Constructor Summary

SimpleSequence()
Constructor

Method Summary

int	compareTo(Sequence o) Compares two sequences
boolean	equals(Object o) Returns true if two sequences are equal
void	first() Resets internal iterator
int	getMax() Maximum element in the sequence
int	getMin() Minimum element in the sequence
int	hashCode() Returns sum of min and max
boolean	more() Returns true if there are more elements in internal interator
int	next() Returns next element from the internal interator
void	setLowerLimit(int lower) Sets the lower limit
void	setMax(int max) Sets maximum element in the sequence
void	setMin(int min) Sets minimum element in the sequence
void	setUpperLimit(int upper) Sets upper limit
String	toString() Returns sequence as string

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

min

protected int min

Default maximum value

max

protected int max

Default minimum value

ptr

protected int ptr

Current pointer

Constructor Detail

SimpleSequence

public SimpleSequence()

Constructor

Method Detail

getMin

public int getMin()

Minimum element in the sequence

Specified by:

getMin in interface Sequence

Returns:

minimum element in the sequence

setMin

public void setMin(int min)

Sets minimum element in the sequence

Parameters:

min - minimum element in the sequence

getMax

public int getMax()

Maximum element in the sequence

Specified by:

getMax in interface Sequence

Returns:

maximum element in the sequence

setMax

public void setMax(int max)

Sets maximum element in the sequence

Parameters:

max - maximum element in the sequence

setLowerLimit

public void setLowerLimit(int lower)

Sets the lower limit

Specified by:

setLowerLimit in interface Sequence

Parameters:

lower - lower limit

setUpperLimit

public void setUpperLimit(int upper)

Sets upper limit

Specified by:

setUpperLimit in interface Sequence

Parameters:

upper - upper limit

first

public void first()

Resets internal iterator

Specified by:

first in interface Sequence

more

public boolean more()

Returns true if there are more elements in internal interator

Specified by:

more in interface Sequence

Returns:

true if there are more elements in internal interator

next

public int next()

Returns next element from the internal interator

Specified by:

next in interface Sequence

Returns:

next element from the internal interator

equals

public boolean equals(Object o)

Returns true if two sequences are equal

Overrides:

equals in class Object

Parameters:

o - other sequence

Returns:

true if two sequences are equal

hashCode

public int hashCode()

Returns sum of min and max

Overrides:

hashCode in class Object

Returns:

sum of min and max

compareTo

public int compareTo(Sequence o)

Compares two sequences

Specified by:

compareTo in interface Comparable<Sequence>

Parameters:

o - other sequence

Returns:

-1, 0 and 1

toString

public String toString()

Returns sequence as string

Overrides:

toString in class Object

Returns:

sequence as string