usflix
Class MovieDatabase

java.lang.Object
  usflix.MovieDatabase

public class MovieDatabase
extends java.lang.Object

MovieDatabase class manages movie database and provides search methods.

Version:

4.0 April 3, 2013.

Author:

EJ Jung

Field Summary

private java.util.ArrayList<Movie>

movies ArrayList to hold all the movie objects

Constructor Summary

MovieDatabase()
Constructor without parameter.

MovieDatabase(java.lang.String filename)
Default constructor for MovieDatabase.

Method Summary

boolean	addMovie(Movie m) Add a new movie object m to the database (ArrayList)
Movie	getMovieByTitle(java.lang.String title) This method is used in Driver to assist loadUsers method.
java.util.ArrayList<Movie>	searchByTitle(java.lang.String[] keywords) Search for the movies that contain all the keywords given in the parameter.

Methods inherited from class java.lang.Object

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

Field Detail

movies

private java.util.ArrayList<Movie> movies

ArrayList to hold all the movie objects

Constructor Detail

MovieDatabase

public MovieDatabase()

Constructor without parameter. Initialize movies to be an empty ArrayList.

MovieDatabase

public MovieDatabase(java.lang.String filename)

Default constructor for MovieDatabase.

Parameters:

filename - The file that contains Movie information

Method Detail

addMovie

public boolean addMovie(Movie m)

Add a new movie object m to the database (ArrayList)

Parameters:

m - A new Movie object

Returns:

true if m is added to the database successfully, false otherwise

searchByTitle

public java.util.ArrayList<Movie> searchByTitle(java.lang.String[] keywords)

Search for the movies that contain all the keywords given in the parameter. Returns ArrayList of all matching Movie objects.

Parameters:

keywords - array of keywords

Returns:

ArrayList that contains the Movie objects that match all keywords

getMovieByTitle

public Movie getMovieByTitle(java.lang.String title)

This method is used in Driver to assist loadUsers method. When user information is given in a file, user provides the title and the rating of the movie. This method returns the corresponding movie object for the given title.

Parameters:

title - movie title

Returns:

Movie returns the first Movie object that matches the given title. if none matches, then return null.