HarbormasterBuildLogChunkIterator.php
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	<?php

	final class HarbormasterBuildLogChunkIterator
	extends PhutilBufferedIterator {

	private $log;
	private $cursor;

	private $min = 0;
	private $max = PHP_INT_MAX;

	public function __construct(HarbormasterBuildLog $log) {
	$this->log = $log;
	}

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

	public function key() {
	return $this->current()->getID();
	}

	public function setRange($min, $max) {
	$this->min = (int)$min;
	$this->max = (int)$max;
	return $this;
	}

	protected function loadPage() {
	if ($this->cursor > $this->max) {
	return array();
	}

	$results = id(new HarbormasterBuildLogChunk())->loadAllWhere(
	'logID = %d AND id >= %d AND id <= %d ORDER BY id ASC LIMIT %d',
	$this->log->getID(),
	$this->cursor,
	$this->max,
	$this->getPageSize());

	if ($results) {
	$this->cursor = last($results)->getID() + 1;
	}

	return $results;
	}

	}