* exists, {@code false} to return {@code null}
* @return The post, or {@code null} if there is no such post
*/
* exists, {@code false} to return {@code null}
* @return The post, or {@code null} if there is no such post
*/
public Post getPost(String postId, boolean create) {
synchronized (posts) {
Post post = posts.get(postId);
public Post getPost(String postId, boolean create) {
synchronized (posts) {
Post post = posts.get(postId);