private static void addStarsChangedListener()

in database/src/main/java/com/google/firebase/quickstart/Database.java [126:147]

• 14 lines of code
• 1 McCabe index (conditional complexity)

    private static void addStarsChangedListener(Post post, String postId) {
        // Get references to the post in both locations
        final DatabaseReference postRef = database.child("posts").child(postId);
        final DatabaseReference userPostRef = database.child("user-posts").child(post.uid).child(postId);

        // When the post changes, update the star counts
        // [START post_value_event_listener]
        postRef.child("stars").addValueEventListener(new ValueEventListener() {
            public void onDataChange(DataSnapshot dataSnapshot) {
                updateStarCount(postRef);
                // [START_EXCLUDE]
                updateStarCount(userPostRef);
                // [END_EXCLUDE]
            }

            public void onCancelled(DatabaseError databaseError) {
                System.out.println("Unable to attach listener to stars for post: " + postRef.getKey());
                System.out.println("Error: " + databaseError.getMessage());
            }
        });
        // [END post_value_event_listener]
    }