1/* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17import {MakeTimestampStrategyType} from 'common/time/time'; 18import {AddOperation} from 'trace/tree_node/operations/add_operation'; 19import {PropertyTreeNode} from 'trace/tree_node/property_tree_node'; 20import {DEFAULT_PROPERTY_TREE_NODE_FACTORY} from 'trace/tree_node/property_tree_node_factory'; 21 22export class TransformToTimestamp extends AddOperation<PropertyTreeNode> { 23 constructor( 24 private readonly timestampNames: string[], 25 private readonly makeTimestampStrategy: MakeTimestampStrategyType, 26 ) { 27 super(); 28 } 29 30 override makeProperties(value: PropertyTreeNode): PropertyTreeNode[] { 31 const timestampNodes: PropertyTreeNode[] = []; 32 33 for (const property of value.getAllChildren()) { 34 if (this.timestampNames.includes(property.name)) { 35 const nanosLong = property.getValue(); 36 if (nanosLong === undefined || nanosLong === null) { 37 return []; 38 } 39 const timestamp = this.makeTimestampStrategy( 40 BigInt(nanosLong.toString()), 41 ); 42 const timestampNode = 43 DEFAULT_PROPERTY_TREE_NODE_FACTORY.makeProtoProperty( 44 value.id, 45 property.name, 46 timestamp, 47 ); 48 timestampNodes.push(timestampNode); 49 } 50 } 51 52 value.getAllChildren().forEach((property) => { 53 this.apply(property); 54 }); 55 56 return timestampNodes; 57 } 58} 59