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| h2(#Installation). Installing the Eclipse OCL Examples and Editors |
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| These instructions have been updated for Eclipse Luna; Eclipse 4.4, EMF 2.10, OCL 5.0. |
| * Some screenshots may be slightly out of date. |
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| The OCL User Interface (console, editors, debugger and validity view) |
| is not part of the core OCL functionality included in the |
| Eclipse Modeling Tools Package, so although you may have OCL installed and be able |
| to read this tutorial via the *Help->Help Contents->OCL Documentation*, you may |
| not have the OCL examples installed. |
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| An easy way to test whether you have the OCL Examples installed is |
| to right click on a *.ecore file and see whether |
| *OCLinEcore Editor* appears in the *Open With* submenu. |
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| If OCL is not installed at all, or if just the examples are not installed, |
| the following installation step will automatically install the OCL Examples |
| and all required projects such as *EMF*, *UML2*, *MWE2*, *Xpand* |
| and *Xtext*. |
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| Left-click on *Help* in the Eclipse menu-bar then left-click on *Install New Software...* |
| and select the *Luna - http://download.eclipse.org/releases/luna* update site |
| from the pull-down menu to *Work with* and be patient while the available updates |
| are identified. Then type *OCL* in the filter text, click on the expand item preceding |
| the *Modeling* category and then check *OCL Examples and Editors SDK*. |
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| !{width:60%}images/4900-install_software.png(Install Software)! |
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| Select *Next*. |
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| !{width:60%}images/4900-install_details.png(Install Details)! |
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| Select *Next* again and read the license agreement. Set to accept it. |
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| !{width:60%}images/4900-install_license.png(Install License)! |
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| Select *Finish* and be patient while the software is downloaded and installed. |
| Select *Restart Now* when prompted to do so. |
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| h3. Troubleshooting |
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| Eclipse Modeling Projects have a large number of classes and so require a |
| large amount of PermGen space on a Sun JVM. If you are using default Eclipse |
| startup settings you are liable to encounter OutOfMemoryExceptions. Therefore |
| follow the advice in "How do I start Eclipse":http://wiki.eclipse.org/IRC_FAQ#How_do_I_start_Eclipse.3F |
| and set XX:PermSize to at least 64M, either on your Eclipse command line, or your |
| Eclipse shortcut or in the *eclipse.ini* adjacent to *eclipse.exe*. If you are using a 64 bit machine |
| or plan to use graphical modeling tools such as Papyrus or Sirius, 128M is almost certainly necessary. |
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