DifferentialAuxiliaryField.php
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	<?php

	final class DifferentialAuxiliaryField extends DifferentialDAO {

	protected $revisionPHID;
	protected $name;
	protected $value;

	public function setName($name) {
	if (strlen($name) > 32) {
	throw new Exception(
	"Tried to set name '{$name}' for a Differential auxiliary field; ".
	"auxiliary field names must be no longer than 32 characters.");
	}
	$this->name = $name;
	return $this;
	}

	public static function loadFromStorage(
	DifferentialRevision $revision,
	array $aux_fields) {
	assert_instances_of($aux_fields, 'DifferentialFieldSpecification');

	$storage_keys = array_filter(mpull($aux_fields, 'getStorageKey'));
	$field_data = array();
	if ($storage_keys) {
	$field_data = id(new DifferentialAuxiliaryField())->loadAllWhere(
	'revisionPHID = %s AND name IN (%Ls)',
	$revision->getPHID(),
	$storage_keys);
	$field_data = mpull($field_data, 'getValue', 'getName');
	}

	foreach ($aux_fields as $aux_field) {
	$aux_field->setRevision($revision);
	$key = $aux_field->getStorageKey();
	if ($key) {
	$aux_field->setValueFromStorage(idx($field_data, $key));
	}
	}

	return $aux_fields;
	}

	}