PhutilBufferedIteratorExample.php
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PhutilBufferedIteratorExample.php
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			<?php

			/**
			* Example implementation and test case for @{class:PhutilBufferedIterator}.
			*
			* @group util
			*/
			final class PhutilBufferedIteratorExample 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);
			}

			}