//Function for finding a movie in the tree
public MovieTreeNode Find(Movie movie)
{
string movieTitle = movie.getTitle();
MovieTreeNode currentNode = this;
//While there is still a node to search in
while (currentNode != null)
{
//If the movie it's searching for is the current node, return the node
if (string.Compare(movieTitle, currentNode.movie.getTitle()) == 0 && isDeleted == false)
{
return(currentNode);
}
//If the movie is less than the current node and the left subtree is not empty, search the left subtree
else if (string.Compare(movieTitle, currentNode.movie.getTitle()) < 0 && leftNode != null)
{
return(leftNode.FindRecursive(movie));
}
//Otherwise search the right subtree if it's not empty
else if (rightNode != null)
{
return(rightNode.FindRecursive(movie));
}
//The movie doesn't exist in the tree
else
{
return(null);
}
}
return(null);
}
//Function for finding node in tree
public MovieTreeNode FindRecursive(Movie movie)
{
if (root != null)
{
return(root.FindRecursive(movie));
}
else
{
return(null);
}
}
