private static void updateStarCount()

in database/src/main/java/com/google/firebase/quickstart/Database.java [66:91]

21 lines of code
3 McCabe index (conditional complexity)


    private static void updateStarCount(DatabaseReference postRef) {
        // [START post_stars_transaction]
        postRef.runTransaction(new Transaction.Handler() {
            public Transaction.Result doTransaction(MutableData mutableData) {
                Post post = mutableData.getValue(Post.class);
                if (post != null) {
                    // Update the starCount to be the same as the number of members in the stars map.
                    if (post.stars != null) {
                        post.starCount = post.stars.size();
                    } else {
                        post.starCount = 0;
                    }

                    mutableData.setValue(post);
                    return Transaction.success(mutableData);
                } else {
                    return Transaction.success(mutableData);
                }
            }

            public void onComplete(DatabaseError databaseError, boolean complete, DataSnapshot dataSnapshot) {
                System.out.println("updateStarCount:onComplete:" + complete);
            }
        });
        // [END post_stars_transaction]
    }