JP6255420B2 - 不変オブジェクトタイプ - Google Patents
不変オブジェクトタイプ Download PDFInfo
- Publication number
- JP6255420B2 JP6255420B2 JP2015551764A JP2015551764A JP6255420B2 JP 6255420 B2 JP6255420 B2 JP 6255420B2 JP 2015551764 A JP2015551764 A JP 2015551764A JP 2015551764 A JP2015551764 A JP 2015551764A JP 6255420 B2 JP6255420 B2 JP 6255420B2
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- 238000000034 method Methods 0.000 claims description 24
- 238000010276 construction Methods 0.000 claims description 15
- 230000004044 response Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/30—Creation or generation of source code
- G06F8/31—Programming languages or programming paradigms
- G06F8/315—Object-oriented languages
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/40—Transformation of program code
- G06F8/41—Compilation
- G06F8/43—Checking; Contextual analysis
- G06F8/436—Semantic checking
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/40—Transformation of program code
- G06F8/41—Compilation
- G06F8/43—Checking; Contextual analysis
- G06F8/436—Semantic checking
- G06F8/437—Type checking
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Computing Systems (AREA)
- Stored Programmes (AREA)
- Devices For Executing Special Programs (AREA)
- Storage Device Security (AREA)
Description
public class Container
{
readonly immutable string m_name;
readonly immutable string m_address;
public Container(writable Student student)
{
m_name=student.Name;
m_address=student.Address;
}
}
writable Student student=...;
immutable string name=...;
???object storage;
if(condition){
storage=name;
}
else{
storage=student;
}
immutable class String{
...
}
public immutable class Address
{
public Address(out notconstructed Address p)
{
p=this;
Address address=this;
}
}
string s1=“test”;
immutable string s2=s1;
writable string s3=s1;
writable object o1=s1;
Claims (9)
- オブジェクトタイプの複数のインスタンスが不変であることを保証するための、コンピュータで実装された方法であって、
ソフトウェアコードにおける宣言であって、オブジェクトタイプへの注釈を含み、かつ、前記オブジェクトタイプが不変であることを指定する宣言にアクセスする動作、および、
前記宣言へのアクセスに応答して、
構築されると前記オブジェクトタイプの各インスタンスが不変として分類されるようにするコンピュータ実行可能命令を自動的に組み立てる動作であって、前記コンピュータ実行可能命令は、前記オブジェクトタイプの全てのインスタンスが不変となるように前記オブジェクトタイプに対するユーザにより指定される許可を無視するコンピュータ実行可能命令を含む、動作と、
前記オブジェクトタイプの前記インスタンスのすべての直接または間接的に到達可能なメンバが、不変として分類されるように、コンピュータ実行可能命令を自動的に組み立てる動作と、
構築時に、そのオブジェクトの前記インスタンスのフィールド割り当てが可能ないずれのリファレンスも、前記インスタンスの作成者が前記インスタンスにアクセスできるようになる時点を超えて存続し続けることは許可されないように、コンピュータ実行可能命令を自動的に組み立てる動作であって、構築時にそのオブジェクトの前記インスタンスのフィールド割り当てが可能な前記リファレンスの許可には、ユーザにより宣言可能でなく、かつ、任意の他の許可タイプに変換可能でない、許可タイプが割り当てられる、動作と、
を実行すること、
を含む、コンピュータで実装された方法。 - 前記不変オブジェクトタイプの少なくとも1つのインスタンスが1つまたは複数の書き込み可能入力値を取る、請求項1に記載のコンピュータで実装された方法。
- 前記1つまたは複数の書き込み可能入力値は、全ての前記少なくとも1つのインスタンスにおけるフィールドに記憶されない、請求項2に記載のコンピュータで実装された方法。
- 前記リファレンスのインスタンスのうちの1つまたは複数のメンバが不変許可でない許可を含む、請求項1に記載のコンピュータで実装された方法。
- 前記オブジェクトタイプの前記インスタンスのうちのいずれかを変更可能とするメカニズムが存在しない、請求項1に記載のコンピュータで実装された方法。
- フィールド割り当てを可能にする前記リファレンスが、前記オブジェクトタイプのインスタンスを構築するインスタンスコンストラクタのthisリファレンスである、請求項1に記載のコンピュータで実装された方法。
- フィールド割り当てを可能にする前記リファレンス上で実行可能な1つまたは複数の動作のセットが、前記リファレンスがフィールドとして記憶されないように制限される、請求項1に記載のコンピュータで実装された方法。
- 前記1つまたは複数の動作のセットが読み取りおよび書き込みを含む、請求項1に記載のコンピュータで実装された方法。
- コンピューティングシステムの1つまたは複数のプロセッサによって実行された場合、オブジェクトタイプの複数のインスタンスが不変であることを保証するための方法を前記コンピューティングシステムに実行させる、コンピュータ実行可能命令を有するコンピュータ可読記憶媒体であって、前記方法は、
ソフトウェアコードにおける宣言であって、オブジェクトタイプへの注釈を含み、かつ、前記オブジェクトタイプが不変であることを指定する宣言にアクセスする動作、および、
前記宣言へのアクセスに応答して、
構築されると前記オブジェクトタイプの各インスタンスが不変として分類されるようにするコンピュータ実行可能命令を自動的に組み立てる動作であって、前記コンピュータ実行可能命令は、前記オブジェクトタイプの全てのインスタンスが不変となるように前記オブジェクトタイプに対するユーザにより指定される許可を無視するコンピュータ実行可能命令を含む、動作と、
前記オブジェクトタイプの前記インスタンスのすべての直接または間接的に到達可能なメンバが、不変として分類されるように、コンピュータ実行可能命令を自動的に組み立てる動作と、
構築時に、そのオブジェクトの前記インスタンスのフィールド割り当てが可能ないずれのリファレンスも、前記インスタンスの作成者が前記インスタンスにアクセスできるようになる時点を超えて存続し続けることは許可されないように、コンピュータ実行可能命令を自動的に組み立てる動作であって、構築時にそのオブジェクトの前記インスタンスのフィールド割り当てが可能な前記リファレンスの許可には、ユーザにより宣言可能でなく、かつ、任意の他の許可タイプに変換可能でない、許可タイプが割り当てられる、動作と、
を実行すること、
を含む、コンピュータ可読記憶媒体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/734,750 | 2013-01-04 | ||
US13/734,750 US9098269B2 (en) | 2013-01-04 | 2013-01-04 | System and method to ensure resource access safety with immutable object types |
PCT/US2014/010112 WO2014107539A1 (en) | 2013-01-04 | 2014-01-03 | Immutable object types |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2016502219A JP2016502219A (ja) | 2016-01-21 |
JP2016502219A5 JP2016502219A5 (ja) | 2017-01-26 |
JP6255420B2 true JP6255420B2 (ja) | 2017-12-27 |
Family
ID=50031532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015551764A Active JP6255420B2 (ja) | 2013-01-04 | 2014-01-03 | 不変オブジェクトタイプ |
Country Status (11)
Country | Link |
---|---|
US (2) | US9098269B2 (ja) |
EP (1) | EP2941699A1 (ja) |
JP (1) | JP6255420B2 (ja) |
KR (1) | KR102100531B1 (ja) |
CN (1) | CN105144098B (ja) |
AU (2) | AU2014204049B2 (ja) |
BR (1) | BR112015015790A2 (ja) |
CA (1) | CA2896593C (ja) |
MX (1) | MX2015008715A (ja) |
RU (1) | RU2666237C2 (ja) |
WO (1) | WO2014107539A1 (ja) |
Families Citing this family (6)
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US10990425B2 (en) * | 2019-05-08 | 2021-04-27 | Morgan Stanley Services Group Inc. | Simulated change of immutable objects during execution runtime |
US11580199B2 (en) * | 2019-09-20 | 2023-02-14 | International Business Machines Corporation | Correspondence of external operations to containers and mutation events |
US11748129B2 (en) | 2020-10-15 | 2023-09-05 | Morgan Stanley Services Group Inc. | Simulated change of immutable objects during execution runtime |
US11914580B2 (en) | 2021-09-30 | 2024-02-27 | Salesforce, Inc. | Mechanisms for deploying database clusters |
US12019522B2 (en) | 2022-01-20 | 2024-06-25 | Pure Storage, Inc. | Container recovery layer prioritization |
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-
2013
- 2013-01-04 US US13/734,750 patent/US9098269B2/en active Active
-
2014
- 2014-01-03 WO PCT/US2014/010112 patent/WO2014107539A1/en active Application Filing
- 2014-01-03 CN CN201480003944.2A patent/CN105144098B/zh active Active
- 2014-01-03 BR BR112015015790A patent/BR112015015790A2/pt not_active Application Discontinuation
- 2014-01-03 MX MX2015008715A patent/MX2015008715A/es unknown
- 2014-01-03 JP JP2015551764A patent/JP6255420B2/ja active Active
- 2014-01-03 EP EP14702314.7A patent/EP2941699A1/en not_active Ceased
- 2014-01-03 AU AU2014204049A patent/AU2014204049B2/en not_active Ceased
- 2014-01-03 KR KR1020157021105A patent/KR102100531B1/ko active IP Right Grant
- 2014-01-03 CA CA2896593A patent/CA2896593C/en active Active
- 2014-01-03 RU RU2015126784A patent/RU2666237C2/ru active
-
2015
- 2015-06-25 US US14/750,416 patent/US9740460B2/en active Active
-
2019
- 2019-02-05 AU AU2019200748A patent/AU2019200748B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2941699A1 (en) | 2015-11-11 |
US20140196008A1 (en) | 2014-07-10 |
KR102100531B1 (ko) | 2020-04-13 |
US9740460B2 (en) | 2017-08-22 |
AU2014204049B2 (en) | 2018-11-15 |
JP2016502219A (ja) | 2016-01-21 |
KR20150104156A (ko) | 2015-09-14 |
US9098269B2 (en) | 2015-08-04 |
US20150324175A1 (en) | 2015-11-12 |
WO2014107539A1 (en) | 2014-07-10 |
AU2019200748A1 (en) | 2019-02-21 |
MX2015008715A (es) | 2016-03-09 |
AU2014204049A1 (en) | 2015-07-16 |
AU2019200748B2 (en) | 2020-02-27 |
CN105144098A (zh) | 2015-12-09 |
CA2896593C (en) | 2020-09-08 |
BR112015015790A2 (pt) | 2017-07-11 |
CN105144098B (zh) | 2018-11-13 |
CA2896593A1 (en) | 2014-07-10 |
RU2015126784A (ru) | 2017-01-13 |
RU2666237C2 (ru) | 2018-09-06 |
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