giavamachia
Class View

java.lang.Object
  |
  +--giavamachia.View

public class View

extends java.lang.Object

A set of Observations.

Constructor Summary

View()
It creates a new View instance.

Method Summary

void	addElement(Observation o) It adds an Observation to the View
Observation	elementAt(int i) It returns the i-th Observation.
java.util.Enumeration	elements() It return an Enumeration containing all Observations
int	size() It returns the cardinality of the set.

Methods inherited from class java.lang.Object

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

Constructor Detail

View

public View()

It creates a new View instance.

Method Detail

size

public int size()

It returns the cardinality of the set.

Returns:

number of Observation contained.

addElement

public void addElement(Observation o)

It adds an Observation to the View

Parameters:

o - an Observation to add.

elementAt

public Observation elementAt(int i)
                      throws java.lang.ArrayIndexOutOfBoundsException

It returns the i-th Observation.

Parameters:

i - index

Returns:

the i-th Observation

Throws:

java.lang.ArrayIndexOutOfBoundsException - if i is greater than size()-1.

elements

public java.util.Enumeration elements()

It return an Enumeration containing all Observations

Returns:

an Enumeration value