CON1148_Gee2013年ORACLE全球大會資料ppt課件

1、Trisha Gee#GeeCONJava Driver Developer, 10gentrisha_geeWhat do you mean, backwards compatibility?Design: translate the requirements in a specification that describes the global architecture and the functionality of the system.homepages.cwi.nl/paulk/patents/isnot/node4.htmlManaging the Development of

2、 Large Software Systems - Dr Winston R/class/spring2003/cmsc838p/Process/waterfall.pdfAgile DesignDesign is a Process, not a DocumentDesign is a journey, enjoy the rideThere will be MonstersThere will be Safe HousesThere might not even be a destination.What are you saying?Best Job Evar

3、!Were off!Backward CompatibilityLots of unknownsDesign GoalsYes, its a documentDesign GoalsConsistencyCleaner designIntuitive APISane Exception handlingTest friendlyBackwards compatibleLack of consistencyCoding StandardsZero Analysis ErrorsNo more argumentsDesign GoalsConsistencyCleaner designIntuit

4、ive APISane Exception handlingTest friendlyBackwards compatibleUsersIdentify Our UsersJava DevelopersODMs / other drivers / third partiesContributorsThree Types Of UsersJava DevelopersConsistencyCleaner designIntuitive APISane Exception handlingTest friendlyBackwards compatibleThird Party LibrariesC

5、onsistencyCleaner designIntuitive APISane Exception handlingTest friendlyBackwards compatibleContributorsConsistencyCleaner designIntuitive APISane Exception handlingTest friendlyBackwards compatibleUsers are our friendsBackward CompatibilityArchitectureUML, yuk!High Level ArchitectureScala DriverDe

6、sign GoalsConsistencyCleaner designIntuitive APISane Exception handlingTest friendlyBackwards compatibleDesign GoalsConsistencyCleaner designIntuitive APISane Exception handlingTest friendlyBackwards compatibleHigh Level ArchitectureOption 1: WrappingOption 2: ConnectingBackward Compatibility?Tests

7、PassWe win!Design GoalsConsistencyCleaner designIntuitive APISane Exception handlingTest friendlyBackwards compatibleNot Dead Yet.The Public APIDesign GoalsConsistencyCleaner designIntuitive APISane Exception handlingTest friendlyBackwards compatibleCaveatsIt wont look like thisHavent decided consis

8、tent names yetNeed something that suits all driversFindcollection.find(query).skip(1000).limit(100);collection.find(query).skip(1000).limit(100);Findcollection.find(query).skip(1000).limit(100);collection.find(query).skip(1000).limit(100);collection.find(query, fields);Which One?Findcollection.find(

9、query).skip(1000).limit(100);collection.find(query).skip(1000).limit(100);collection.find(query, fields);collection.find(query).fields(fieldsToSelect);Fewer Decisions“Cmd + space friendlyFindcollection.find(query).skip(1000).limit(100);collection.find(query).skip(1000).limit(100);collection.find(que

10、ry, fields);collection.find(query).select(fields);Removecollection.remove(query);collection.find(query).remove();Find and Modifycollection.findAndModify(query, update);collection.find(query).updateOneAndGet(update);They hate me!Find and Modifycollection.findAndModify(query, update);collection.find(q

11、uery) .updateOneAndGet(update);collection.findAndModify(query, fields, sort, false, update, true, false);collection.find(query) .sort(sort) .updateOneAndGet(update);Find and Modifycollection.findAndModify(query, update);collection.find(query) .updateOneAndGet(update);collection.findAndModify(query,

12、fields, sort, false, update, true, false);collection.find(query) .sort(sort) .updateOneAndGet(update);collection.find(query) .sort(sort) .getOneAndUpdate(update);Lack of consistencyConsistency at lastcollection.find(query).limit(10);collection.find(query).limit(10).remove();collection.find(query).so

13、rt(sortCriteria).getOne();collection.find(query).sort(sortCriteria).remove();collection.find(query).sort(sortCriteria).count();Muerto del todoConsistencyCleaner designIntuitive APISane Exception handlingTest friendlyBackwards compatibleDesign GoalsConsistencyCleaner designIntuitive API.Sane Exception handlingTest friendlyBackwards compatibleNot Dead Yet!Tutorial/hack sessionThis t