Global Resource Coordinator: Basic service internals

services/resource_coordinator/public/cpp/coordination_unit_id.h

Index: services/resource_coordinator/public/cpp/coordination_unit_id.h
diff --git a/services/resource_coordinator/public/cpp/coordination_unit_id.h b/services/resource_coordinator/public/cpp/coordination_unit_id.h
new file mode 100644
index 0000000000000000000000000000000000000000..f25c4d866aa73aa1b596f21f88618876bde29da7
--- /dev/null
+++ b/services/resource_coordinator/public/cpp/coordination_unit_id.h
@@ -0,0 +1,37 @@
+// Copyright 2017 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_RESOURCE_COORDINATOR_PUBLIC_CPP_ID_H_
+#define SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_ID_H_
+
+#include <string>
+
+#include "services/resource_coordinator/public/cpp/coordination_unit_types.h"
+
+namespace resource_coordinator {
+
+struct CoordinationUnitID {
+  CoordinationUnitID();
+  CoordinationUnitID(const CoordinationUnitType& type, const std::string& id);
+
+  bool operator==(const CoordinationUnitID& b) const {
+    return id == b.id && type == b.type;
+  }
+
+  uint64_t operator()(const CoordinationUnitID& id) const;

[Primiano Tucci (use gerrit), 2017/04/11 18:04:51]

this one doesn't seem to be defined in the .cc file. I guess is a leftover from
the previous way of doing the hash

[oystein (OOO til 10th of July), 2017/04/12 19:15:31]

Yep, done.

+
+  int32_t id;
+  CoordinationUnitType type;
+};
+
+}  // resource_coordinator
+
+template <>
+struct std::hash<resource_coordinator::CoordinationUnitID> {
+  uint64_t operator()(
+      const resource_coordinator::CoordinationUnitID& id) const {
+    return ((static_cast<uint64_t>(id.type)) << 32) | id.id;
+  }
+};
+
+#endif  // SERVICES_RESOURCE_COORDINATOR_PUBLIC_CPP_ID_H_