67 lines
1.6 KiB
Java
67 lines
1.6 KiB
Java
package reentrantrwlock;
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import java.util.Map;
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import java.util.List;
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import java.util.Random;
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import java.util.TreeMap;
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import java.util.ArrayList;
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import java.util.concurrent.locks.Lock;
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import java.util.concurrent.locks.ReentrantReadWriteLock;
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public class MovieCatalog {
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private final Map<String, Movie> movies;
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private final ReentrantReadWriteLock rwlock;
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private final Lock rLock, wLock;
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private static final Random generator = new Random();
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public MovieCatalog() {
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movies = new TreeMap<>();
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rwlock = new ReentrantReadWriteLock();
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rLock = rwlock.readLock();
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wLock = rwlock.writeLock();
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}
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/**
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* Returns the current size of this catalog
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* @return the size of this catalog
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*/
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public int getSize() {
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// TODO: Implement method getSize
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}
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/**
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* Returns a movie from this catalog
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* @param the title of movie to be obtained
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* @return the movie with the title provided or
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* null if the movie is not in the catalog
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*/
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public Movie getMovie(String title) {
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//TODO: Implement method getMovie
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}
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/**
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* Returns the list of all movie titles in this catalog
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* @return a list of the movie titles in this catalog
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*/
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public List<String> getTitles() {
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//TODO: Implement method getTitles
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}
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/**
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* Returns a random movie from this catalog
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* @return a randomly selected movie from this catalog
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*/
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public Movie getRandomMovie() {
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// TODO: Implement method getRandomMovie
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}
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/**
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* Adds a movie to the catalog
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* @param the movie to be added to the catalog
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*/
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public void addMovie(Movie movie) {
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//TODO: Implement method addMovie
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}
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}
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