| // 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. |
| |
| #include "components/performance_manager/graph/node_base.h" |
| |
| #include "components/performance_manager/graph/graph_impl.h" |
| #include "components/performance_manager/public/graph/node.h" |
| |
| namespace performance_manager { |
| |
| // static |
| const uintptr_t NodeBase::kNodeBaseType = |
| reinterpret_cast<uintptr_t>(&kNodeBaseType); |
| |
| NodeBase::NodeBase(NodeTypeEnum node_type, GraphImpl* graph) |
| : graph_(graph), type_(node_type) {} |
| |
| NodeBase::~NodeBase() { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| |
| // The node must have been removed from the graph before destruction. |
| DCHECK(!graph_->NodeInGraph(this)); |
| } |
| |
| // static |
| int64_t NodeBase::GetSerializationId(NodeBase* node) { |
| if (!node) |
| return 0u; |
| |
| if (!node->serialization_id_) |
| node->serialization_id_ = node->graph()->GetNextNodeSerializationId(); |
| |
| DCHECK_NE(0u, node->serialization_id_); |
| return node->serialization_id_; |
| } |
| |
| // static |
| const NodeBase* NodeBase::FromNode(const Node* node) { |
| CHECK_EQ(kNodeBaseType, node->GetImplType()); |
| return reinterpret_cast<const NodeBase*>(node->GetImpl()); |
| } |
| |
| // static |
| NodeBase* NodeBase::FromNode(Node* node) { |
| CHECK_EQ(kNodeBaseType, node->GetImplType()); |
| return reinterpret_cast<NodeBase*>(const_cast<void*>(node->GetImpl())); |
| } |
| |
| void NodeBase::JoinGraph() { |
| DCHECK(graph_->NodeInGraph(this)); |
| } |
| |
| void NodeBase::LeaveGraph() { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| DCHECK(graph_->NodeInGraph(this)); |
| } |
| |
| } // namespace performance_manager |