Method build

app/src/main/java/androidx/paging/PagedList.java:376–395

Creates a PagedList with the given parameters. This call will dispatch the DataSource's loadInitial method immediately. If a DataSource posts all of its work (e.g. to a network thread), the PagedList will be immediately created as empty, and grow to its initial size when the init

()

         * @return The newly constructed PagedList
         */
        @WorkerThread
        @NonNull
        public PagedList<Value> build() {
            // TODO: define defaults, once they can be used in module without android dependency
            if (mNotifyExecutor == null) {
                throw new IllegalArgumentException("MainThreadExecutor required");
            }
            if (mFetchExecutor == null) {
                throw new IllegalArgumentException("BackgroundThreadExecutor required");
            }

            //noinspection unchecked
            return PagedList.create(
                    mDataSource,
                    mNotifyExecutor,
                    mFetchExecutor,
                    mBoundaryCallback,
                    mConfig,
                    mInitialKey);
        }
    }

    /**