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fabiankesslerfabiankessler
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Initial commit (taking code from company-internal vcs)
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‎.gitattributes‎

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# Auto detect text files and perform LF normalization
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* text=auto
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# Custom for Visual Studio
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*.cs diff=csharp
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*.sln merge=union
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*.csproj merge=union
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*.vbproj merge=union
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*.fsproj merge=union
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*.dbproj merge=union
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# Standard to msysgit
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*.doc diff=astextplain
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*.DOC diff=astextplain
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*.docx diff=astextplain
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*.DOCX diff=astextplain
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*.dot diff=astextplain
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*.DOT diff=astextplain
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*.pdf diff=astextplain
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*.PDF diff=astextplain
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*.rtf diff=astextplain
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*.RTF diff=astextplain

‎.gitignore‎

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#################
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## Eclipse
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#################
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*.pydevproject
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.project
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.metadata
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bin/
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tmp/
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*.tmp
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*.bak
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*.swp
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*~.nib
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local.properties
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.classpath
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.settings/
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.loadpath
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# External tool builders
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.externalToolBuilders/
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# Locally stored "Eclipse launch configurations"
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*.launch
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# CDT-specific
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.cproject
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# PDT-specific
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.buildpath
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#################
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## Visual Studio
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#################
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## Ignore Visual Studio temporary files, build results, and
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## files generated by popular Visual Studio add-ons.
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# User-specific files
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*.suo
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*.user
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*.sln.docstates
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# Build results
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[Dd]ebug/
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[Rr]elease/
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x64/
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build/
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[Bb]in/
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[Oo]bj/
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# MSTest test Results
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[Tt]est[Rr]esult*/
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[Bb]uild[Ll]og.*
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*_i.c
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*_p.c
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*.ilk
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*.meta
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*.obj
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*.pch
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*.pdb
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*.pgc
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*.pgd
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*.rsp
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*.sbr
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*.tlb
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*.tli
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*.tlh
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*.tmp
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*.tmp_proj
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*.log
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*.vspscc
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*.vssscc
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.builds
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*.pidb
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*.log
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*.scc
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# Visual C++ cache files
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ipch/
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*.aps
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*.ncb
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*.opensdf
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*.sdf
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*.cachefile
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# Visual Studio profiler
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*.psess
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*.vsp
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*.vspx
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# Guidance Automation Toolkit
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*.gpState
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# ReSharper is a .NET coding add-in
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_ReSharper*/
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*.[Rr]e[Ss]harper
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# TeamCity is a build add-in
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_TeamCity*
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# DotCover is a Code Coverage Tool
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*.dotCover
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# NCrunch
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*.ncrunch*
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.*crunch*.local.xml
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# Installshield output folder
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[Ee]xpress/
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# DocProject is a documentation generator add-in
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DocProject/buildhelp/
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DocProject/Help/*.HxT
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DocProject/Help/*.HxC
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DocProject/Help/*.hhc
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DocProject/Help/*.hhk
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DocProject/Help/*.hhp
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DocProject/Help/Html2
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DocProject/Help/html
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# Click-Once directory
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publish/
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# Publish Web Output
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*.Publish.xml
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*.pubxml
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# NuGet Packages Directory
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## TODO: If you have NuGet Package Restore enabled, uncomment the next line
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#packages/
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# Windows Azure Build Output
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csx
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*.build.csdef
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# Windows Store app package directory
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AppPackages/
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# Others
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sql/
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*.Cache
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ClientBin/
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[Ss]tyle[Cc]op.*
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~$*
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*~
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*.dbmdl
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*.[Pp]ublish.xml
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*.pfx
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*.publishsettings
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# RIA/Silverlight projects
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Generated_Code/
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# Backup & report files from converting an old project file to a newer
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# Visual Studio version. Backup files are not needed, because we have git ;-)
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_UpgradeReport_Files/
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Backup*/
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UpgradeLog*.XML
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UpgradeLog*.htm
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# SQL Server files
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App_Data/*.mdf
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App_Data/*.ldf
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#############
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## Windows detritus
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#############
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# Windows image file caches
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Thumbs.db
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ehthumbs.db
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# Folder config file
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Desktop.ini
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# Recycle Bin used on file shares
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$RECYCLE.BIN/
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# Mac crap
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.DS_Store
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#############
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## Python
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#############
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*.py[co]
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# Packages
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*.egg
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*.egg-info
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dist/
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build/
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eggs/
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parts/
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var/
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sdist/
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develop-eggs/
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.installed.cfg
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# Installer logs
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pip-log.txt
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# Unit test / coverage reports
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.coverage
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.tox
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#Translations
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*.mo
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#Mr Developer
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.mr.developer.cfg

‎pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.optimaize.command4j</groupId>
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<artifactId>command4j</artifactId>
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<name>command4j</name>
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<version>0.2-SNAPSHOT</version>
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<packaging>jar</packaging>
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<url>https://github.com/optimaize/command4j</url>
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<description>
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A general-purpose command framework for Java.
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</description>
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<organization>
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<name>Optimaize GmbH, Switzerland</name>
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<url>http://www.optimaize.com/</url>
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</organization>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>2.3.2</version>
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<configuration>
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<source>1.7</source>
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<target>1.7</target>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<dependencies>
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<dependency>
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<groupId>com.google.guava</groupId>
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<artifactId>guava</artifactId>
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<version>15.0</version>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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<version>1.6.6</version>
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</dependency>
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<dependency> <!-- Yes it's also in the parent, but soon this module will become its own project. -->
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<groupId>com.intellij</groupId>
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<artifactId>annotations</artifactId>
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<version>12.0</version>
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</dependency>
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<dependency> <!-- Yes it's also in the parent, but soon this module will become its own project. -->
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<groupId>org.testng</groupId>
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<artifactId>testng</artifactId>
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<version>6.8.7</version>
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<scope>test</scope>
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</dependency>
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<!-- DO NOT ADD DEPENDENCIES unless you can really justify them well.
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This project tries to depend on as little as possible. -->
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</dependencies>
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</project>

‎src/main/java/com/optimaize/command4j/Command.java‎

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package com.optimaize.command4j;
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import com.google.common.base.Optional;
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import com.optimaize.command4j.lang.Tuples;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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/**
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* The global contract of a command. They can get an optional argument A and
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* return some result R. The optional argument must aggregate all arguments
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* needed for the service call.
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*
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* <p>More "global" arguments like context information (such as an api-key
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* for a remote procedure call), are defined with the {@link Mode} class for
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* each execution. They are then also available to all nested tasks that may
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* be executed on behalf of another command.</p>
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*
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* <p>The argument/result specification allows for chaining commands.
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* Execute command 1, take the result, feed it to command 2, return (and such).</p>
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*
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* @param <A> the optional argument's data type
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* @param <R> the result's data type
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*
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* @author Eike Kettner
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* @author Fabian Kessler
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*/
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public interface Command<A, R> {
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/**
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* Runs the remote command.
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*
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* <p>This method always blocks until either the command finishes successfully, aborts by throwing an
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* exception, or is cancelled early. (The {@link CommandExecutorService} allows you to execute
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* commands in a non-blocking way.)</p>
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*
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* @param arg The {@link Optional} argument. If you need more than 1 argument then you may create a
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* request class as container, or maybe it's enough to just use {@link Tuples tuples}.
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* @param ec
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* @return Commands may return null, since null values are handled by the framework in that they're wrapped
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* into an {@link Optional}.
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* @throws Exception
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*
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* TODO Eike: The return value is nullable and the framework makes an Optional out of it.
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* Why not the same for the argument? We could make the interface more consistent.
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* Is there a reason against that?
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*/
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@Nullable
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R call(@NotNull Optional<A> arg, @NotNull ExecutionContext ec) throws Exception;
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}

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