CN110114756A - 一种类卸载方法及电子设备 - Google Patents

一种类卸载方法及电子设备 Download PDF

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Publication number
CN110114756A
CN110114756A CN201780080320.4A CN201780080320A CN110114756A CN 110114756 A CN110114756 A CN 110114756A CN 201780080320 A CN201780080320 A CN 201780080320A CN 110114756 A CN110114756 A CN 110114756A
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China
Prior art keywords
class
mapping table
reference mapping
class object
dependence
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CN201780080320.4A
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English (en)
Inventor
涂小兵
陈浩
童碧峰
王菲
林英禄
陈晓晓
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN110114756A publication Critical patent/CN110114756A/zh
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/445—Program loading or initiating
    • G06F9/44594—Unloading
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/445—Program loading or initiating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/445—Program loading or initiating
    • G06F9/44521—Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
    • G06F9/4488—Object-oriented
    • G06F9/449—Object-oriented method invocation or resolution
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806—Task transfer initiation or dispatching
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2209/00—Indexing scheme relating to G06F9/00
    • G06F2209/46—Indexing scheme relating to G06F9/46
    • G06F2209/462—Lookup
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2209/00—Indexing scheme relating to G06F9/00
    • G06F2209/48—Indexing scheme relating to G06F9/48
    • G06F2209/481—Exception handling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G06F8/656—Updates while running

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stored Programmes (AREA)

Abstract

一种类卸载方法及电子设备，涉及电子技术领域，能够在应用运行过程中动态卸载类，提升可用内存空间。具体方案为：在应用启动后，电子设备加载n个类(201)，n为正整数，生成引用映射表，引用映射表包括n个类与n个类对应的m个类对象之间的引用关系，以及n个类对应的m个类对象的依赖关系(202)，依赖关系用于表示不同类对象之间相互依赖的映射关系，m为大于或者等于n的正整数，在应用运行过程中，根据引用映射表卸载n个类中的第一类(203)。

Description

PCT国内申请，说明书已公开。

Claims (24)

  1. PCT国内申请，权利要求书已公开。
CN201780080320.4A 2017-10-09 2017-10-13 一种类卸载方法及电子设备 Pending CN110114756A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2017109318028 2017-10-09
CN201710931802 2017-10-09
PCT/CN2017/106154 WO2019071601A1 (zh) 2017-10-09 2017-10-13 一种类卸载方法及电子设备

Publications (1)

Publication Number Publication Date
CN110114756A true CN110114756A (zh) 2019-08-09

Family

ID=66101261

Family Applications (1)

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CN201780080320.4A Pending CN110114756A (zh) 2017-10-09 2017-10-13 一种类卸载方法及电子设备

Country Status (4)

Country Link
US (1) US11163589B2 (zh)
EP (1) EP3693851B1 (zh)
CN (1) CN110114756A (zh)
WO (1) WO2019071601A1 (zh)

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US11403075B2 (en) * 2019-11-25 2022-08-02 International Business Machines Corporation Bytecode verification using class relationship caching
CN112685096B (zh) * 2020-12-24 2024-09-13 京东方科技集团股份有限公司 场景切换控制方法、装置、设备及介质

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CN105893110A (zh) * 2015-10-09 2016-08-24 乐视网信息技术（北京）股份有限公司 用于具有显示界面的软件程序的内存回收的方法和装置
CN107220076A (zh) * 2016-09-27 2017-09-29 华为技术有限公司 一种内存回收方法及装置

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CN102253854A (zh) * 2011-07-26 2011-11-23 华为技术有限公司 业务处理方法和Java虚拟机
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GB2506596A (en) * 2012-10-02 2014-04-09 Ibm Managing a set of software modules in a runtime environment
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CN105893110A (zh) * 2015-10-09 2016-08-24 乐视网信息技术（北京）股份有限公司 用于具有显示界面的软件程序的内存回收的方法和装置
CN107220076A (zh) * 2016-09-27 2017-09-29 华为技术有限公司 一种内存回收方法及装置

Also Published As

Publication number Publication date
EP3693851A4 (en) 2020-12-09
US20200241892A1 (en) 2020-07-30
US11163589B2 (en) 2021-11-02
EP3693851A1 (en) 2020-08-12
WO2019071601A1 (zh) 2019-04-18
EP3693851B1 (en) 2023-01-11

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