PhutilExampleBufferedIterator.php
5a0514754c17production

PhutilExampleBufferedIterator.php
View Options

			<?php

			/**
			* Example implementation and test case for @{class:PhutilBufferedIterator}.
			*/
			final class PhutilExampleBufferedIterator extends PhutilBufferedIterator {

			private $cursor;
			private $data;

			protected function didRewind() {
			$this->cursor = 0;
			}

			protected function loadPage() {
			$result = $this->query($this->cursor, $this->getPageSize());
			$this->cursor += count($result);
			return $result;
			}

			public function setExampleData(array $data) {
			$this->data = $data;
			}

			private function query($cursor, $limit) {
			// NOTE: Normally you'd load or generate results from some external source
			// here. Since this is an example, we just use a premade dataset.

			return array_slice($this->data, $cursor, $limit);
			}

			}