ilog.views.gantt

Class IlvRowRange

java.lang.Object

ilog.views.gantt.IlvRowRange

All Implemented Interfaces:

Serializable

public class IlvRowRange
extends Object
implements Serializable

The class IlvRowRange is used to represent a range of rows. If the first and the last row have the value -1, the range is empty.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
IlvRowRange() Creates an empty row range.
IlvRowRange(int first, int last) Creates a row range by specifying the number of the first and the last row.

Method Summary

Modifier and Type	Method and Description
boolean	contains(int row) Specifies whether the specified row is in the range.
int	getFirst() Returns the first row in the range.
int	getLast() Returns the last row in the range.
boolean	isEmpty() Specifies whether the range is empty.
int	length() Returns the number of rows in the range or 0 if the range is empty.
void	setRange(int first, int last) Changes the row range.
String	toString() Returns the row range as a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

IlvRowRange

public IlvRowRange(int first,
                   int last)

Creates a row range by specifying the number of the first and the last row.

Parameters:

first - The number of the first row.

last - The number of the last row.

IlvRowRange

public IlvRowRange()

Creates an empty row range.

Method Detail

isEmpty

public boolean isEmpty()

Specifies whether the range is empty. The range is empty if first == last == -1.

Returns:

true if the range is empty.

contains

public boolean contains(int row)

Specifies whether the specified row is in the range.

Parameters:

row - The row.

Returns:

true if the row is within the range.

getFirst

public int getFirst()

Returns the first row in the range.

Returns:

The first row.

setRange

public void setRange(int first,
                     int last)

Changes the row range.

Parameters:

first - The first new row.

last - The last new row.

getLast

public int getLast()

Returns the last row in the range.

Returns:

The last row.

length

public int length()

Returns the number of rows in the range or 0 if the range is empty.

Returns:

the number of rows in the range.

toString

public String toString()

Returns the row range as a string.

Overrides:

toString in class Object

Returns:

The string representation of this row range.