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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SERVICES_SERVICE_MANAGER_CATALOG_H_
#define SERVICES_SERVICE_MANAGER_CATALOG_H_
#include <map>
#include <vector>
#include "services/service_manager/public/cpp/manifest.h"
namespace service_manager {
// Owns the Service Manager's collections of Manifests and provides convenient
// indexes for fast lookup by name and resolution of parent-child relationships.
class Catalog {
public:
// Constructs a catalog over a set of Manifests to use for lookup.
explicit Catalog(const std::vector<Manifest>& manifests);
Catalog(const Catalog&) = delete;
Catalog& operator=(const Catalog&) = delete;
~Catalog();
// Returns manifest data for the service named by |service_name|. If no
// service is known by that name, this returns null.
const Manifest* GetManifest(const Manifest::ServiceName& service_name);
// Returns manifest data for the parent of the service named by
// |service_name|. If the named service has no parent (i.e. it's not packaged
// within another service) then this returns null.
const Manifest* GetParentManifest(const Manifest::ServiceName& service_name);
private:
// The set of all top-level manifests known to the Service Manager.
const std::vector<Manifest> manifests_;
// Maintains a mapping from service name to manifest for quick lookup of any
// manifest regardless of whether it's packaged. The values in this map refer
// to objects owned by |manifests_| above.
const std::map<Manifest::ServiceName, const Manifest*> manifest_map_;
// Maintains a mapping from service name to parent manifest for quick
// reverse-lookup of packaged service relationships. The values in this map
// refer to objects owned by |manifests_| above.
const std::map<Manifest::ServiceName, const Manifest*> parent_manifest_map_;
};
} // namespace service_manager
#endif // SERVICES_SERVICE_MANAGER_CATALOG_H_
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