testing

PhragmentSnapshotChild.php
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			<?php

			final class PhragmentSnapshotChild extends PhragmentDAO
			implements PhabricatorPolicyInterface {

			protected $snapshotPHID;
			protected $fragmentPHID;
			protected $fragmentVersionPHID;

			private $snapshot = self::ATTACHABLE;
			private $fragment = self::ATTACHABLE;
			private $fragmentVersion = self::ATTACHABLE;

			public function getSnapshot() {
			return $this->assertAttached($this->snapshot);
			}

			public function attachSnapshot(PhragmentSnapshot $snapshot) {
			return $this->snapshot = $snapshot;
			}

			public function getFragment() {
			return $this->assertAttached($this->fragment);
			}

			public function attachFragment(PhragmentFragment $fragment) {
			return $this->fragment = $fragment;
			}

			public function getFragmentVersion() {
			if ($this->fragmentVersionPHID === null) {
			return null;
			}
			return $this->assertAttached($this->fragmentVersion);
			}

			public function attachFragmentVersion(PhragmentFragmentVersion $version) {
			return $this->fragmentVersion = $version;
			}


			/* -( Policy Interface )--------------------------------------------------- */


			public function getCapabilities() {
			return array(
			PhabricatorPolicyCapability::CAN_VIEW
			);
			}

			public function getPolicy($capability) {
			return $this->getSnapshot()->getPolicy($capability);
			}

			public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
			return $this->getSnapshot()
			->hasAutomaticCapability($capability, $viewer);
			}

			public function describeAutomaticCapability($capability) {
			return $this->getSnapshot()
			->describeAutomaticCapability($capability);
			}
			}