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TransactionalStore

SoftwareDesignDocument

Version1.0

HarishG.Naik

April15,2007Contents

1Introduction2

2SystemOverview3

3DesignConsideration4

3.1AssumptionsandDependencies...................4

3.2GeneralConstraints.........................4

3.3GoalsandGuidelines.........................4

3.4DevelopmentMethods........................4

4ArchitecturalStrategies5

5SystemArchitecture6

5.1SubsystemArchitecture.......................6

6PoliciesandTactics7

7DetailedSystemDesign8

7.1RecoveryProgram..........................8

7.2ServerProgram............................9

7.3Library................................10

7.4DetailedSubsystemDesign.....................12

8Glossary14

9Bibliography15

1Chapter1

Introduction

ThisistheSoftwareDesignDocumentfortheTransactionalStore.Thedocu-

mentcoversbriefanddetaileddesignofthesoftware.Theintendedaudience

arethecourseinstructorandtheTeachingAssistant.Thedocumentcanalso

beusedtounderstandthecorecomponentsandtheirfunctioningbyanyone

whointendstoextendthegivenapplication.

2Chapter2

SystemOverview

Thesoftwareattemptstoimplementatransactionalstoresystem.Thesystem

consistsofvariouscomponentsincludingthelibrarycalledlibtransaction.a

andincludefilecalledtransaction.handotherserversmeantformonitorand

recovery.

3Chapter3

DesignConsideration

ThesoftwarewillprovidetheACID(AtomicityConsistencyIsolationDurability)

properties.

3.1AssumptionsandDependencies

•Thesoftwareisdesignedtorunonx86machinesrunningtheGNU/Linux

OperatingSystem

•Thesoftwarewillbeavailableassource.Itwillcompileintobinariesand

alibrary.Theapplicationprogrammerwillhavetousetheincludefile

transaction.htousethesoftware.

3.2GeneralConstraints

•LackofcompleteunderstandingoftheUnixI/Osystem

•Shorttime

3.3GoalsandGuidelines

•Keepitsimplestupid

•Thesoftwareinitsfirstversionisnotmeanttobeefficientwithrespect

performancebutemphasizesproperworking

3.4DevelopmentMethods

DifferentapproachesofimplementationlikeCentralizedsystemandDecentral-

izedsystemwereconsidered.Butthecentralizedschemewaschosen.

4Chapter4

ArchitecturalStrategies

Acentralizedschemewaschosenoveradecentralizedschemesincethisscheme

wouldallowbettermanagementoflocks.Acentralizedserverwouldmanage

locksandgrantpermissionstoread/write(performI/O)onthesamestorefile.

Thishelpsbetterhandlingofdeadlocksandstarvation.

Howeverthefollowingaretheissues/benefitswithrespecttothecentralized

design:

1.Thereisacentralserverthatmanagestransactionsbymaintainingatrans-

actionqueue

2.Eachclientprocessneedtomakeconnectionstothisserverandsend

transactiondetailsusingadefineddatastructure

5Chapter5

SystemArchitectureThesystemisdesignedtoprovideflattransactions(1)asshown:

NULLactive

abortedcomittedterminateterminateROLLBACK

WORK

COMMIT

WORK

5.1SubsystemArchitecture

Theentiresystemiscomposedoffoursubsystems:

•recoveryprogramthatuseslogstobringthesystemtoaconsistentstate

•serverprogramwritingtothestoreandwritinglogsmakingcallstothe

library

•libraryprovidingallthelow-levelfunctionality

•clientprograminteractingwiththeserverprogram

6Chapter6

PoliciesandTactics

NotApplicable

7Chapter7

DetailedSystemDesign

Thissectionwilldescribethedesignofthesoftwareindetailbybreakingitdown

intoindependentcomponentsanddescribingindetailtheirdesign,behaviorand

interactionswiththesurroundings.

Wenowconsidereachofthesecomponentsindetail:

7.1RecoveryProgram

Therecoveryprogramisthefirstthatisinvokedonstartofthetransactional

store.

Classification

Thisisasubsystem,thatisinvokedatthestart.

Definition

Therecoveryprogramisthepartoftheapplicationthatexecutedrightatthe

beginningofasystemsetupandwhichrestoresthesystemtoaconsistentstate.

Responsibilities

Theresponsibilityofarecoveryprogramistorestorethestorethethelast

consistentstate.

Constraints

NA

Composition

Therecoveryprogrammakesuseofalogindexanumberoflogfiles.

8Users/Interactions

Theonlyinteractiontheuserhaswiththissubsystemisstartingtherecov-

eryprocess.Therecoveryprogramloadsdatafromthelogfilesandmakes

appropriatelibrarycalls.

Resources

Therecoveryprogramneedsaccesstothelogindex.Basedontheentriesit

checksstatusofeachlog.

Processing

Theprogramstartsbyreadingthethefilelogs/translogwhichisthelog

index.Theindexhasanumberofentrieswhicharenamesoflogfiles.These

logfilescorrespondtothetransactionsthathaveneitherdoneacommitnora

revoke.Onsuccessfulrecoveryfromallthelogfiles,theprograminvokesthe

server.

Interface/Exports

Nointerfaceisexported.

7.2ServerProgram

Iftherecoverysucceedsandthestorereturnstoconsistentstate,therecovery

programlaunchestheserverprogram.

Classification

Thisisthecentralprogramoftheapplication.

Definition

Responsibilities

Theserveristhecomponentoftheaplicationthatdoesthemaintaskslike

issuingtransactionid,queingtransactions;applyingandreleasingoflocks,per-

formingreadandwriteandwritingtologfile.

Constraints

NA

Composition

Consistsofthetransactionqueuemanager,lockmanager,fewinternalmethods

thatsetuprequiredconditionsbeforecallinglibraryroutines,logfiles.

Users/Interactions

Interactswiththeclientandqueuesrequests,updatesstoreandupdateslog.

合集下载

Table of Contents Vol. 18

Table of Contents Vol. 18

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Ｖｏ１．１８，Ｎｏ．１＿６，２０１０　

Ｎｏ．１　Ｃｈｉｎａ　ａｓ　ａ　Ｇｌｏｂａｌ　Ｍａｎｕｆａｃｔｕｒｉｎｇ　Ｐｏｗｅｒｈｏｕｓｅ：Ｓｔｒａｔｅｇｉｃ　Ｃｏｎｓｉｄｅｒａｔｉｏｎｓ　

ａｎｄ　Ｓｔｒｕｃｔｕｒａｌ　Ａｄｊｕｓｔｍｅｎｔ　Ｈｕｗ　ＭｃＫａｙ，Ｌ￣ｇａｎｇ　Ｓｏｎｇ　

Ｅｍｐｌｏｙｍｅｎｔ　Ｅｆｆｅｃｔｉｖｅｎｅｓｓ　ｏｆ　Ｃｈｉｎａ’Ｓ　Ｅｃｏｎｏｍｉｃ　Ｓｔｉｍｕｌｕｓ　Ｐａｃｋａｇｅ　

ＦａｎｇＣａＬＤｅｗｅｎ　ＨｕａｃｈｕＺｈａｎｇ　

Ｅｘｔｅｒｎａｌ　Ｄｅｍａｎｄ　Ｄｅｃｌｉｎｅ—ｃａｕｓｅｄ　Ｉｎｄｕｓｔｒｙ　Ｃｏｌｌａｐｓｅ　ｉｎ　Ｃｈｉｎａ　

ＰｉｎｇｙａｏＬａｉ　

Ｔｈｅ　Ｒｅｎｍｉｎｂｉ’Ｓ　Ｐｏｔｅｎｔｉａｌ　ｔｏ　Ｂｅｃｏｍｅ　ａ　Ｇｌｏｂａｌ　Ｃｕｒｒｅｎｃｙ　

Ｆｒｉｅｄｒｉｃｈ　Ｗｕ，ＲｏｎｇｆａｎｇＰａｎ，Ｄｉ　Ｗａｎｇ　

Ｕｎｃｏｖｅｒｉｎｇ　ｔｈｅ　Ｒｅｌａｔｉｏｎｓｈｉｐ　ｂｅｔｗｅｅｎ　ＦＤＩ，Ｈｕｍａｎ　Ｃａｐｉｔａｌ　ａｎｄ　Ｔｅｃｈｎｏｌｏｇｉｃａｌ　

Ｐｒｏｇｒｅｓｓ　ｉｎ　Ｃｈｉｎｅｓｅ　Ｈｉｇｈ－ｔｅｃｈｎｏｌｏｇｙ　Ｉｎｄｕｓｔｒｉｅｓ　

ＧｕｏｑｉｎｇＺｈａｏ，ＺｈｏｎｇｙｕａｎＺｈａｎｇ　

Ｐａｔｅｎｔ　Ｐｒｏｐｅｎｓｉｔｙ　ｉｎ　Ｓｍａｌｌ　Ｔｅｃｈｎｏｌｏｇｙ－ｂａｓｅｄ　Ｆｉｒｍｓ：Ｅｖｉｄｅｎｃｅ　ｆｒ０ｍ　

Ｚｈｏｎｇｇｕａｎｃｕｎ　Ｓｃｉｅｎｃｅ　Ｐａｒｌ（　

ＤｅｌｉｎＹａｎｇ，ＸｉｂａｏＬＬｄｉａｇｕｉＣｈｅｎ　

Ｎｏ．２　ＲＭＢ　ＩｎｔｅｒｎａｔＩＯｎａＩｉｚａｔＩＯｎ　ａｎｄ　Ｉｔｓ　Ｉｍｐｌｉｃａｔｉｏｎｓ　ｆｏｒ　Ｆｉｎａｎｃｉａｌ　ａｎｄ　Ｍｏｎｅｔａｒｙ　

Ｃｏｏｐｅｒａｔｉｏｎ　ｉｎ　Ｅａｓｔ　Ａｓｉａ　

馏ＣｈｕｌＰａｒｋ　

Ｅｃｏｎｏｍｉｃ　Ｏｐｅｎｎｅｓｓ　ａｎｄ　Ｓｕｂｊｅｃｔｉｖｅ　Ｗｅｌｌ・ｂｅｉｎｇ　ｉｎ　Ｃｈｉｎａ　

Contents of Journal of Mechanical Engineering ISSN 0577-6686

Contents of Journal of Mechanical Engineering ISSN 0577-6686

ＣＨＩＮＥＳＥ　ＪｏＵＲＮＡＬ　０Ｆ　ＭＥＣＨＡＮＩＣＡＬ　ＥＮＧＩＮＥＥＲＩＮＧ　・Ａ１・　

Ｃｏｎｔｅｎｔｓ　ｏｆ　Ｊｏｕｒｎａｌ　ｏｆ　Ｍｅｃｈａｎｉｃａｌ　Ｅｎｇｉｎｅｅｒｉｎｇ　

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ｉｎ　Ｓｔｒｕｃｔｕｒｅ　Ｓｙｎｔｈｅｓｉｓ（ＤＯＩ：１０．３９０１／ＪＭＥ．２Ｏ１１．１５．ＯＯ１）…………………………………………………………一ＹＡＮＧ　Ｆｅｉ　ＴＡＯ　Ｊｉａｎｇｕｏ　ＤＥＮＧ　Ｚｏｎｇｑｕａｎ　ｆ１）　ｓｔｉｆｈｌｅｓｓＡｎａｌｙｓｉｓ　ｏｆａ４一ＤＯＦＨｙｂｒｉｄＲｏｂｏｔ（ＤＯＩ：ｌ０．３９０１／ＪＭＥ．２０１１．１５．００９）……………………　ⅥｒＡＮＧＭａｎｘｉｎ　ｗＡＮＧ　Ｐａｎｆｅｎｇ　ＳＯＮＧＹｉｍｉｎ　ｅｔ　ａｌｆ９１　

Ａｕｔｏｎｏｍｏｕｓ０ｎｌｉｎｅＩｄｅｎｔｉｆｉｃａｔｉｏｎ　ｏｆＣｏｎｆｉｇｕｒａｔｉｏｎｓｆｏｒＭｏｄｕｌａｒＲ０ｃｏｎ６ｇｕｒａｂｌｅＲｏｂｏｔ（ＤＯＥ　１０　３９０１／ＪＭＥ．２Ｏｌ１．１５．０１７１　

…………’…………………………………………………………………’…………………………………………儿ＡＮＧ　ＹｏｎｇⅥｒＡＮＧ　Ｈｏｎｇｇｕａｎｇ　ＰＡＮ　Ｘｉｎａｎ　ｅｔ　ａｌ　ｆ１７１　ＡＮｅｗＷａｌｋｉｎｇＲｏｂｏｔＢａｓｅｄｏｎ　３－ＲＰＣ　ＰａｒａｌｌｅｌＭｅｃｈａｎｉｓｍ（ＤＯＩ：１０．３９０１／ＪＭＥ．２Ｏｌ１．１５．０２５）…………………………　ｚＨＡＮＧＣｈｅｎ　ｕｎ　ＬＩＹａｎｗｅｎ（２５）　

ＣｏｍｐｅｎｓａｔｉｏｎｆｏｒＰｏｓｉｔｉｏｎｉｎｇＥｒｒｏｒｏｆＩｎｄｕｓｔｒｉａ１ＣｏｏｒｄｉｎａｔｅＭｅａｓｕｒｅｍｅｎｔＲｏｂｏｔ（ＤＯＩ：１０．３９０１／ＪＭＥ．２Ｏ１１．１５．Ｏ３１１　

contents in brief

contents in brief

STONE

(monthly

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2020

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CONTENTS IN BRIEF

1

Prevention

and

control

of

new

coronavirus

infection

pneumonia

in

stone

garden

.....................................................

Feng

Hui ( 6 )

2

Stone

industry

lag

behind

the

gap

compared

with

ceramic

industry .....

Liu

JiQying (11)

3

To

pay

attention

to

need

a

few

problems

in

mining

marble

mines * * ■

He

Lichun,

et

3l ( 15)

4

The

details

of

marble

large-plate

production

repair

process * • •

R

〇ng

Xisnmiao,

et

al ( 20 )

5

The

processing

technology

for

splicing

stone

products (

III ) .....

Yan

Hui，et

a/ ( 34 )

6

Talking

about

the

geology

exploration

report

name

of

facing

stones ...

/Wa

Wen/

ci/

r? ( 48 )

7 《

Green

product

evaluation -

stones》）Draft

of

China

National

Standards )

.................................................

Zhoi/

Junx/ng ( 51 )

8

An

introduction

A table of contents

A table of contents

A table of contents, usually headed simply "Contents" and abbreviated

informally as TOC, is a list of the parts of a book or document organized

in the order in which the parts appear. The contents usually includes the

titles or descriptions of the first-level headers, such as chapter titles

in longer works, and often includes second-level or section titles

(A-heads) within the chapters as well, and occasionally even third-level

titles (subsections or B-heads). The depth of detail in tables of contents

depends on the length of the work, with longer works having less. Formal

reports (ten or more pages and being too long to put into a memo or letter)

also have table Within an English-language book, the table of contents

usually appears after the title page, copyright notices, and, in technical

journals, the abstract; and before any lists of tables or figures, the