Differential D21094 Diff 50237 src/ref/symbol/ArcanistSymbolEngine.php

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src/ref/symbol/ArcanistSymbolEngine.php

This file was added.

				<?php

				final class ArcanistSymbolEngine
				extends Phobject {

				private $workflow;
				private $refs = array();

				public function setWorkflow($workflow) {
				$this->workflow = $workflow;
				return $this;
				}

				public function getWorkflow() {
				return $this->workflow;
				}

				public function loadRevisionForSymbol($symbol) {
				$refs = $this->loadRevisionsForSymbols(array($symbol));
				return head($refs)->getObject();
				}

				public function loadRevisionsForSymbols(array $symbols) {
				return $this->loadRefsForSymbols(
				new ArcanistRevisionSymbolRef(),
				$symbols);
				}

				public function loadUserForSymbol($symbol) {
				$refs = $this->loadUsersForSymbols(array($symbol));
				return head($refs)->getObject();
				}

				public function loadUsersForSymbols(array $symbols) {
				return $this->loadRefsForSymbols(
				new ArcanistUserSymbolRef(),
				$symbols);
				}

				public function loadCommitForSymbol($symbol) {
				$refs = $this->loadCommitsForSymbols(array($symbol));
				return head($refs)->getObject();
				}

				public function loadCommitsForSymbols(array $symbols) {
				return $this->loadRefsForSymbols(
				new ArcanistCommitSymbolRef(),
				$symbols);
				}

				public function loadRefsForSymbols(
				ArcanistSymbolRef $template,
				array $symbols) {

				$refs = array();
				$load_refs = array();
				foreach ($symbols as $symbol) {
				$ref = id(clone $template)
				->setSymbol($symbol);

				$ref_key = $ref->getSymbolEngineCacheKey();
				if (!isset($this->refs[$ref_key])) {
				$this->refs[$ref_key] = $ref;
				$load_refs[] = $ref;
				}

				$refs[$symbol] = $ref;
				}

				$workflow = $this->getWorkflow();
				if ($load_refs) {
				$workflow->loadHardpoints($refs, ArcanistSymbolRef::HARDPOINT_OBJECT);
				}

				return $refs;
				}

				}