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<li class="toctree-l1"><a class="reference internal" href="azure-vm.html">Working with the Corda Demo on Azure Marketplace</a></li>
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<div class="section" id="cli-vs-ide">
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<h1>CLI vs IDE<a class="headerlink" href="#cli-vs-ide" title="Permalink to this headline">¶</a></h1>
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<p>We have tried to make every demo, example, tutorial and sample usable via both the command line and the IntelliJ IDE.
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Most developers will find writing, editing and debugging code more easy with tools such as an IDE. But when a production node
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is deployed, it will be controlled via the command line - no organisation allows their systems to be running via
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a developer environment.</p>
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<div class="section" id="ide-intellij">
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<h2>IDE - IntelliJ<a class="headerlink" href="#ide-intellij" title="Permalink to this headline">¶</a></h2>
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<p>IntelliJ (R3’s preferred IDE) integrates well with gradle (our chosen build, deployment and CLI tool). IntelliJ understands gradle
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tasks and dependencies, automatically loading them in the background when a project is first opened or the gradle
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project changes. Occasionally, however, you may need to refresh the gradle project manually - but this is hinted to you
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by the IDE. It’s a good idea to do this before carrying on with other work (and in fact you may find it is essential to pick
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up new libraries, etc.).</p>
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<p>There are some great resources about how to get started using IntelliJ. As opposed to trying to repeat them here, we advise
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you to go to the <a class="reference external" href="https://www.jetbrains.com/idea/documentation/">IntelliJ docs here</a>.</p>
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</div>
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<div class="section" id="command-line">
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<h2>Command Line<a class="headerlink" href="#command-line" title="Permalink to this headline">¶</a></h2>
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<div class="section" id="windows-vs-mac-unix">
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<h3>Windows vs Mac / Unix<a class="headerlink" href="#windows-vs-mac-unix" title="Permalink to this headline">¶</a></h3>
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<p>Due to the nature of their respective command interfaces, gradle is typically ran in windows with the command <code class="docutils literal"><span class="pre">gradle.bat</span></code>
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(or <code class="docutils literal"><span class="pre">gradlew.bat</span></code> if using the wrapper) and in Mac / Unix environments it is ran via <code class="docutils literal"><span class="pre">./gradlew</span></code>. For brevity, the
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simple windows syntax <code class="docutils literal"><span class="pre">gradle</span></code> is used for the majority of the documentation.</p>
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<p>As well as including the most significant run and build configurations in the IDE, we also provide gradle tasks to build, install
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and run significant parts of Corda demos and tools. Gradle is highly extensible and we use it for downloading required resources,
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building components, installing those built components into shared areas, configuring the scripts that run nodes, starting
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up demonstration API calls amongst other things. It is exceptionally good at deriving dependency maps and therefore performing
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the preceding tasks required in order to do the requested task. However, when confusing build errors manifest, then sometimes
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a <code class="docutils literal"><span class="pre">gradle</span> <span class="pre">clean</span></code> may be required in order to clear out any build areas that have an inconsistent state. The total build time
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from downloading / cloning the repo to a complete build should be only a few minutes, obviously slightly longer if the
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unit tests are run.</p>
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</div>
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<div class="section" id="frequently-used-gradle-tasks">
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<h3>Frequently Used Gradle Tasks<a class="headerlink" href="#frequently-used-gradle-tasks" title="Permalink to this headline">¶</a></h3>
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<p>Note that the list of tasks can be ran for any gradle project can be displayed by running the task <code class="docutils literal"><span class="pre">tasks</span></code>. Also, note that
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gradle is hierarchical and therefore tasks in child directories can be run using a colon separator. For example, if you want to run
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the sample attachment demo run configuration <code class="docutils literal"><span class="pre">runSender</span></code>, you would use the command <code class="docutils literal"><span class="pre">gradle</span> <span class="pre">samples:attachment-demo:runSender</span></code></p>
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<p>The most frequent gradle tasks you will probably be running are <code class="docutils literal"><span class="pre">build</span></code> and <code class="docutils literal"><span class="pre">install</span></code>. The <code class="docutils literal"><span class="pre">build</span></code> command also executes the
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unit tests as well. If you want to build without this level of verification, then use the <code class="docutils literal"><span class="pre">assemble</span></code> command - but we do
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not recommend this. After running build, the <code class="docutils literal"><span class="pre">install</span></code> tasks copies over the built jars into the local maven repository
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which will then make these available for either the sample code or use with the CorDapp template.</p>
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</div>
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</div>
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<div class="section" id="debugging">
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<h2>Debugging<a class="headerlink" href="#debugging" title="Permalink to this headline">¶</a></h2>
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<p>Tasks and processes that are run directly via the IDE (including via the usage of the <code class="docutils literal"><span class="pre">driver</span></code> DSL) can be remotely debugged.
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We do not have java debugging currently enabled in the <code class="docutils literal"><span class="pre">runnodes</span></code> scripts generated by a process we refer to as ‘cordformation’
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but we will be implementing that shortly.</p>
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<div class="section" id="via-the-ide">
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<h3>Via the IDE<a class="headerlink" href="#via-the-ide" title="Permalink to this headline">¶</a></h3>
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<p>To debug: From the IDE, configure the debug connectivity option by the “Edit Configurations” and choosing “+” and then “Remote”.
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The debug port start at 5005 and increments for each additional node that starts, the order given by the list in the main
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driver configuration (which is primarily listed in the <code class="docutils literal"><span class="pre">main</span></code> function of <code class="docutils literal"><span class="pre">Main.kt</span></code> for each sample. Look for the string
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<code class="docutils literal"><span class="pre">Listening</span> <span class="pre">for</span> <span class="pre">transport</span> <span class="pre">dt_socket</span> <span class="pre">at</span> <span class="pre">address:5xxx</span></code> in the log output to determine the exact port for that node. If the log
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messages are mixed from several nodes to the same console, then (as earlier stated), the port numbers increment in the order
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they are listed in the driver DSL configuration.</p>
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