de.unidu.is.util
Class Tuple

java.lang.Object
  de.unidu.is.util.Tuple

public class Tuple

extends java.lang.Object

A simple tuple, i.e. an array of objects. In contrast to an object array, this class provides convenient methods as well as implementations of equals(Object),hashCode() and toString().

Since:

2003-06-28

Version:

$Revision: 1.8 $, $Date: 2005/02/28 22:27:55 $

Author:

Henrik Nottelmann

Field Summary

protected java.lang.Object[]

array Array with the tuple values.

Constructor Summary

Tuple(java.lang.Object[] array)
Creates a new object.

Method Summary

boolean	equals(java.lang.Object o)
java.lang.Object	get(int i) Returns the i-th object.
double	getDouble(int i) Returns the i-th object as a double.
int	getInt(int i) Returns the i-th object as an integer.
java.lang.String	getString(int i) Returns the i-th object as a string.
int	hashCode()
int	length() Returns the length, i.e. the number of objects.
void	set(int i, java.lang.Object o) Sets the i-th object.
int	size() Returns the length, i.e. the number of objects.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

array

protected java.lang.Object[] array

Array with the tuple values.

Constructor Detail

Tuple

public Tuple(java.lang.Object[] array)

Creates a new object.

Parameters:

array - objects

Method Detail

length

public int length()

Returns the length, i.e. the number of objects.

Returns:

number of objects

size

public int size()

Returns the length, i.e. the number of objects.

Returns:

number of objects

get

public java.lang.Object get(int i)

Returns the i-th object.

Parameters:

i - index number

Returns:

object at this index number

set

public void set(int i,
                java.lang.Object o)

Sets the i-th object.

Parameters:

i - index number

o - object to be set at this index number

getDouble

public double getDouble(int i)

Returns the i-th object as a double.

Parameters:

i - index number

Returns:

object at this index number

getInt

public int getInt(int i)

Returns the i-th object as an integer.

Parameters:

i - index number

Returns:

object at this index number

getString

public java.lang.String getString(int i)

Returns the i-th object as a string.

Parameters:

i - index number

Returns:

object at this index number

equals

public boolean equals(java.lang.Object o)

hashCode

public int hashCode()

toString

public java.lang.String toString()