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| <h1 id="apache-celix">Apache Celix</h1> |
| <p><a href="https://opensource.org/licenses/Apache-2.0"><img src="https://img.shields.io/badge/License-Apache%202.0-blue.svg" alt="License"></a> |
| <img src="https://github.com/apache/celix/workflows/Celix%20Ubuntu/badge.svg" alt="Celix Ubuntu"> |
| <img src="https://github.com/apache/celix/workflows/Celix%20MacOS/badge.svg" alt="Celix MacOS"> |
| <a href="https://codecov.io/gh/apache/celix"><img src="https://codecov.io/gh/apache/celix/branch/master/graph/badge.svg" alt="codecov"></a> |
| <a href="https://scan.coverity.com/projects/6685"><img src="https://scan.coverity.com/projects/6685/badge.svg" alt="Coverity Scan Build Status"></a></p> |
| <p>Apache Celix is an implementation of a dynamic service framework inspired by the OSGi specification and adapted to C |
| and C++ (C++17). |
| It is a framework to develop dynamic modular software applications using component and in-process service-oriented |
| programming.</p> |
| <h2 id="documentation">Documentation</h2> |
| <ul> |
| <li><a href="documents/building/README.html">Building Apache Celix</a></li> |
| <li><a href="documents/README.html">Apache Celix Intro</a></li> |
| </ul> |
| <h2 id="c-usage">C++ Usage</h2> |
| <h3 id="hello-world-bundle">Hello World Bundle</h3> |
| <p>Modularity in Celix is achieved by runtime installable bundles and dynamic - in process - services.<br> |
| A Celix bundle is set of resources packed in a zip containing at least a manifest and almost always |
| some shared library containing the bundle functionality. |
| A Celix bundle can be created using the Celix CMake function <code>add_celix_bundle</code>. |
| A Celix bundle is activated by executing the bundle entry points. For C++ bundles these bundle entry points are generated using the <code>CELIX_GEN_CXX_BUNDLE_ACTIVATOR</code> macro.</p> |
| <p>Celix applications (Celix containers) can be created with the Celix CMake function <code>add_celix_container</code>. |
| This function generates a C++ main function and is also used to configure default installed bundles. |
| This can be bundles provided by Celix, an other project or build by the project self.</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-C++" data-lang="C++"><span style="display:flex;"><span><span style="color:#080;font-style:italic">//src/MyBundleActivator.cc |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span><span style="color:#080">#include</span> <span style="color:#080"><iostream></span><span style="color:#080"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#080">#include</span> <span style="color:#080">"celix/BundleActivator.h"</span><span style="color:#080"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#080"></span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">class</span> <span style="color:#00f">MyBundleActivator</span> { |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">public</span><span style="color:#666">:</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">explicit</span> MyBundleActivator(<span style="color:#a2f;font-weight:bold">const</span> std<span style="color:#666">::</span>shared_ptr<span style="color:#666"><</span>celix<span style="color:#666">::</span>BundleContext<span style="color:#666">>&</span> ctx) { |
| </span></span><span style="display:flex;"><span> std<span style="color:#666">::</span>cout <span style="color:#666"><<</span> <span style="color:#b44">"Hello world from bundle with id "</span> <span style="color:#666"><<</span> ctx<span style="color:#666">-></span>getBundleId() <span style="color:#666"><<</span> std<span style="color:#666">::</span>endl; |
| </span></span><span style="display:flex;"><span> } |
| </span></span><span style="display:flex;"><span> |
| </span></span><span style="display:flex;"><span> <span style="color:#666">~</span>MyBundleActivator() <span style="color:#a2f;font-weight:bold">noexcept</span> { |
| </span></span><span style="display:flex;"><span> std<span style="color:#666">::</span>cout <span style="color:#666"><<</span> <span style="color:#b44">"Goodbye world"</span> <span style="color:#666"><<</span> std<span style="color:#666">::</span>endl; |
| </span></span><span style="display:flex;"><span> } |
| </span></span><span style="display:flex;"><span>}; |
| </span></span><span style="display:flex;"><span> |
| </span></span><span style="display:flex;"><span>CELIX_GEN_CXX_BUNDLE_ACTIVATOR(MyBundleActivator) |
| </span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-CMake" data-lang="CMake"><span style="display:flex;"><span><span style="color:#080;font-style:italic">#CMakeLists.txt |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span><span style="color:#a2f">find_package</span>(<span style="color:#b44">Celix</span> <span style="color:#b44">REQUIRED</span>)<span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">add_celix_bundle</span>(<span style="color:#b44">MyBundle</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">SOURCES</span> <span style="color:#b44">src/MyBundleActivator.cc</span> |
| </span></span><span style="display:flex;"><span>)<span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">add_celix_container</span>(<span style="color:#b44">MyContainer</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">BUNDLES</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">Celix::ShellCxx</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">Celix::shell_tui</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">MyBundle</span> |
| </span></span><span style="display:flex;"><span>)<span style=""> |
| </span></span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-sh" data-lang="sh"><span style="display:flex;"><span><span style="color:#080;font-style:italic">#bash</span> |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">#goto project dir</span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f">cd</span> cmake-build-debug <span style="color:#080;font-style:italic">#assuming clion cmake-build-debug dir</span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f">cd</span> deploy/MyContainer |
| </span></span><span style="display:flex;"><span>./MyContainer |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">#Celix shell</span> |
| </span></span><span style="display:flex;"><span>-> lb -a |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">#list of all installed bundles</span> |
| </span></span><span style="display:flex;"><span>-> <span style="color:#a2f">help</span> |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">#list of all available Celix shell commands</span> |
| </span></span><span style="display:flex;"><span>-> <span style="color:#a2f">help</span> celix::lb |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">#Help info about the shell command `celix::lb`</span> |
| </span></span><span style="display:flex;"><span>-> stop <span style="color:#666">3</span> |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">#stops MyBundle</span> |
| </span></span><span style="display:flex;"><span>-> start <span style="color:#666">3</span> |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">#starts MyBundle</span> |
| </span></span><span style="display:flex;"><span>-> stop <span style="color:#666">0</span> |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">#stops the Celix framework</span> |
| </span></span></code></pre></div><h3 id="register-a-service">Register a service</h3> |
| <p>In the Celix framework, a service is a C++ object or C struct registered in the Celix framework service registry under one interface together with properties (meta information). Services can be discovered and used by bundles.</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-C++" data-lang="C++"><span style="display:flex;"><span><span style="color:#080;font-style:italic">//include/ICalc.h |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span><span style="color:#080">#pragma once |
| </span></span></span><span style="display:flex;"><span><span style="color:#080"></span><span style="color:#a2f;font-weight:bold">class</span> <span style="color:#00f">ICalc</span> { |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">public</span><span style="color:#666">:</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">virtual</span> <span style="color:#666">~</span>ICalc() <span style="color:#a2f;font-weight:bold">noexcept</span> <span style="color:#666">=</span> <span style="color:#a2f;font-weight:bold">default</span>; |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">virtual</span> <span style="color:#0b0;font-weight:bold">int</span> <span style="color:#00a000">add</span>(<span style="color:#0b0;font-weight:bold">int</span> a, <span style="color:#0b0;font-weight:bold">int</span> b) <span style="color:#666">=</span> <span style="color:#666">0</span>; |
| </span></span><span style="display:flex;"><span>}; |
| </span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-C++" data-lang="C++"><span style="display:flex;"><span><span style="color:#080;font-style:italic">//src/CalcProviderBundleActivator.cc |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span><span style="color:#080">#include</span> <span style="color:#080">"ICalc.h"</span><span style="color:#080"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#080">#include</span> <span style="color:#080">"celix/BundleActivator.h"</span><span style="color:#080"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#080"></span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">class</span> <span style="color:#00f">CalcProvider</span> <span style="color:#666">:</span> <span style="color:#a2f;font-weight:bold">public</span> ICalc { |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">public</span><span style="color:#666">:</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#666">~</span>CalcProvider() <span style="color:#a2f;font-weight:bold">noexcept</span> <span style="color:#a2f;font-weight:bold">override</span> <span style="color:#666">=</span> <span style="color:#a2f;font-weight:bold">default</span>; |
| </span></span><span style="display:flex;"><span> <span style="color:#0b0;font-weight:bold">int</span> <span style="color:#00a000">add</span>(<span style="color:#0b0;font-weight:bold">int</span> a, <span style="color:#0b0;font-weight:bold">int</span> b) <span style="color:#a2f;font-weight:bold">override</span> { <span style="color:#a2f;font-weight:bold">return</span> a <span style="color:#666">+</span> b; } |
| </span></span><span style="display:flex;"><span>}; |
| </span></span><span style="display:flex;"><span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">class</span> <span style="color:#00f">CalcProviderBundleActivator</span> { |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">public</span><span style="color:#666">:</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">explicit</span> CalcProviderBundleActivator(<span style="color:#a2f;font-weight:bold">const</span> std<span style="color:#666">::</span>shared_ptr<span style="color:#666"><</span>celix<span style="color:#666">::</span>BundleContext<span style="color:#666">>&</span> ctx) { |
| </span></span><span style="display:flex;"><span> reg <span style="color:#666">=</span> ctx<span style="color:#666">-></span>registerService<span style="color:#666"><</span>ICalc<span style="color:#666">></span>(std<span style="color:#666">::</span>make_shared<span style="color:#666"><</span>CalcProvider<span style="color:#666">></span>()) |
| </span></span><span style="display:flex;"><span> .build(); |
| </span></span><span style="display:flex;"><span> } |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">private</span><span style="color:#666">:</span> |
| </span></span><span style="display:flex;"><span> std<span style="color:#666">::</span>shared_ptr<span style="color:#666"><</span>celix<span style="color:#666">::</span>ServiceRegistration<span style="color:#666">></span> reg{}; |
| </span></span><span style="display:flex;"><span>}; |
| </span></span><span style="display:flex;"><span> |
| </span></span><span style="display:flex;"><span>CELIX_GEN_CXX_BUNDLE_ACTIVATOR(CalcProviderBundleActivator) |
| </span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-CMake" data-lang="CMake"><span style="display:flex;"><span><span style="color:#080;font-style:italic">#CMakeLists.txt |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span><span style="color:#a2f">find_package</span>(<span style="color:#b44">Celix</span> <span style="color:#b44">REQUIRED</span>)<span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">add_celix_bundle</span>(<span style="color:#b44">CalcProviderBundle</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">SOURCES</span> <span style="color:#b44">src/CalcProviderBundleActivator.cc</span> |
| </span></span><span style="display:flex;"><span>)<span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">target_include_directories</span>(<span style="color:#b44">CalcProviderBundle</span> <span style="color:#b44">PRIVATE</span> <span style="color:#b44">include</span>)<span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">add_celix_container</span>(<span style="color:#b44">CalcProviderContainer</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">BUNDLES</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">Celix::ShellCxx</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">Celix::shell_tui</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">CalcProviderBundle</span> |
| </span></span><span style="display:flex;"><span>)<span style=""> |
| </span></span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#080;font-style:italic">#bash</span> |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">#goto project dir</span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f">cd</span> cmake-build-debug <span style="color:#080;font-style:italic">#assuming clion cmake-build-debug dir</span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f">cd</span> deploy/CalcProviderBundle |
| </span></span><span style="display:flex;"><span>./CalcProviderBundle |
| </span></span></code></pre></div><h3 id="use-a-service-ad-hoc">Use a service (ad hoc)</h3> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-C++" data-lang="C++"><span style="display:flex;"><span><span style="color:#080;font-style:italic">//include/ICalc.h |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span><span style="color:#080">#pragma once |
| </span></span></span><span style="display:flex;"><span><span style="color:#080"></span><span style="color:#a2f;font-weight:bold">class</span> <span style="color:#00f">ICalc</span> { |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">public</span><span style="color:#666">:</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">virtual</span> <span style="color:#666">~</span>ICalc() <span style="color:#a2f;font-weight:bold">noexcept</span> <span style="color:#666">=</span> <span style="color:#a2f;font-weight:bold">default</span>; |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">virtual</span> <span style="color:#0b0;font-weight:bold">int</span> <span style="color:#00a000">add</span>(<span style="color:#0b0;font-weight:bold">int</span> a, <span style="color:#0b0;font-weight:bold">int</span> b) <span style="color:#666">=</span> <span style="color:#666">0</span>; |
| </span></span><span style="display:flex;"><span>}; |
| </span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-C++" data-lang="C++"><span style="display:flex;"><span><span style="color:#080;font-style:italic">//src/CalcUserBundleActivator.cc |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span><span style="color:#080">#include</span> <span style="color:#080"><iostream></span><span style="color:#080"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#080">#include</span> <span style="color:#080">"ICalc.h"</span><span style="color:#080"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#080">#include</span> <span style="color:#080">"celix/BundleActivator.h"</span><span style="color:#080"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#080"></span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">class</span> <span style="color:#00f">CalcUserBundleActivator</span> { |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">public</span><span style="color:#666">:</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">explicit</span> CalcUserBundleActivator(<span style="color:#a2f;font-weight:bold">const</span> std<span style="color:#666">::</span>shared_ptr<span style="color:#666"><</span>celix<span style="color:#666">::</span>BundleContext<span style="color:#666">>&</span> ctx) { |
| </span></span><span style="display:flex;"><span> ctx<span style="color:#666">-></span>useService<span style="color:#666"><</span>ICalc<span style="color:#666">></span>() |
| </span></span><span style="display:flex;"><span> .addUseCallback([](ICalc<span style="color:#666">&</span> calc) { |
| </span></span><span style="display:flex;"><span> std<span style="color:#666">::</span>cout <span style="color:#666"><<</span> <span style="color:#b44">"result is "</span> <span style="color:#666"><<</span> calc.add(<span style="color:#666">2</span>, <span style="color:#666">3</span>) <span style="color:#666"><<</span> std<span style="color:#666">::</span>endl; |
| </span></span><span style="display:flex;"><span> }) |
| </span></span><span style="display:flex;"><span> .setTimeout(std<span style="color:#666">::</span>chrono<span style="color:#666">::</span>seconds{<span style="color:#666">1</span>}) <span style="color:#080;font-style:italic">//wait for 1 second if a service is not directly found |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span> .build(); |
| </span></span><span style="display:flex;"><span> } |
| </span></span><span style="display:flex;"><span>}; |
| </span></span><span style="display:flex;"><span> |
| </span></span><span style="display:flex;"><span>CELIX_GEN_CXX_BUNDLE_ACTIVATOR(CalcUserBundleActivator) |
| </span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-CMake" data-lang="CMake"><span style="display:flex;"><span><span style="color:#080;font-style:italic">#CMakeLists.txt |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span><span style="color:#a2f">find_package</span>(<span style="color:#b44">Celix</span> <span style="color:#b44">REQUIRED</span>)<span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">add_celix_bundle</span>(<span style="color:#b44">CalcUserBundle</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">SOURCES</span> <span style="color:#b44">src/CalcUserBundleActivator.cc</span> |
| </span></span><span style="display:flex;"><span>)<span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">target_include_directories</span>(<span style="color:#b44">CalcUserBundle</span> <span style="color:#b44">PRIVATE</span> <span style="color:#b44">include</span>)<span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">add_celix_container</span>(<span style="color:#b44">CalcUserContainer</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">BUNDLES</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">Celix::ShellCxx</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">Celix::shell_tui</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">CalcProviderBundle</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">CalcUserBundle</span> |
| </span></span><span style="display:flex;"><span>)<span style=""> |
| </span></span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#080;font-style:italic">#bash</span> |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">#goto project dir</span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f">cd</span> cmake-build-debug <span style="color:#080;font-style:italic">#assuming clion cmake-build-debug dir</span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f">cd</span> deploy/CalcUserContainer |
| </span></span><span style="display:flex;"><span>./CalcUserContainer |
| </span></span></code></pre></div><h3 id="track-services">Track services</h3> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-C++" data-lang="C++"><span style="display:flex;"><span><span style="color:#080;font-style:italic">//include/ICalc.h |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span><span style="color:#080">#pragma once |
| </span></span></span><span style="display:flex;"><span><span style="color:#080"></span><span style="color:#a2f;font-weight:bold">class</span> <span style="color:#00f">ICalc</span> { |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">public</span><span style="color:#666">:</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">virtual</span> <span style="color:#666">~</span>ICalc() <span style="color:#a2f;font-weight:bold">noexcept</span> <span style="color:#666">=</span> <span style="color:#a2f;font-weight:bold">default</span>; |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">virtual</span> <span style="color:#0b0;font-weight:bold">int</span> <span style="color:#00a000">add</span>(<span style="color:#0b0;font-weight:bold">int</span> a, <span style="color:#0b0;font-weight:bold">int</span> b) <span style="color:#666">=</span> <span style="color:#666">0</span>; |
| </span></span><span style="display:flex;"><span>}; |
| </span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-C++" data-lang="C++"><span style="display:flex;"><span><span style="color:#080;font-style:italic">//src/CalcTrackerBundleActivator.cc |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span><span style="color:#080">#include</span> <span style="color:#080"><mutex></span><span style="color:#080"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#080">#include</span> <span style="color:#080">"ICalc.h"</span><span style="color:#080"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#080">#include</span> <span style="color:#080">"celix/BundleActivator.h"</span><span style="color:#080"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#080"></span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">class</span> <span style="color:#00f">CalcTrackerBundleActivator</span> { |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">public</span><span style="color:#666">:</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">explicit</span> CalcTrackerBundleActivator(<span style="color:#a2f;font-weight:bold">const</span> std<span style="color:#666">::</span>shared_ptr<span style="color:#666"><</span>celix<span style="color:#666">::</span>BundleContext<span style="color:#666">>&</span> ctx) { |
| </span></span><span style="display:flex;"><span> tracker <span style="color:#666">=</span> ctx<span style="color:#666">-></span>trackServices<span style="color:#666"><</span>ICalc<span style="color:#666">></span>() |
| </span></span><span style="display:flex;"><span> .build(); |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">for</span> (<span style="color:#a2f;font-weight:bold">auto</span> <span style="color:#a0a000">calc</span> : tracker<span style="color:#666">-></span>getServices()) { |
| </span></span><span style="display:flex;"><span> std<span style="color:#666">::</span>cout <span style="color:#666"><<</span> <span style="color:#b44">"result is "</span> <span style="color:#666"><<</span> std<span style="color:#666">::</span>to_string(calc<span style="color:#666">-></span>add(<span style="color:#666">2</span>, <span style="color:#666">3</span>)) <span style="color:#666"><<</span> std<span style="color:#666">::</span>endl; |
| </span></span><span style="display:flex;"><span> } |
| </span></span><span style="display:flex;"><span> } |
| </span></span><span style="display:flex;"><span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">private</span><span style="color:#666">:</span> |
| </span></span><span style="display:flex;"><span> std<span style="color:#666">::</span>shared_ptr<span style="color:#666"><</span>celix<span style="color:#666">::</span>ServiceTracker<span style="color:#666"><</span>ICalc<span style="color:#666">>></span> tracker{}; |
| </span></span><span style="display:flex;"><span>}; |
| </span></span><span style="display:flex;"><span> |
| </span></span><span style="display:flex;"><span>CELIX_GEN_CXX_BUNDLE_ACTIVATOR(CalcTrackerBundleActivator) |
| </span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-CMake" data-lang="CMake"><span style="display:flex;"><span><span style="color:#a2f">find_package</span>(<span style="color:#b44">Celix</span> <span style="color:#b44">REQUIRED</span>)<span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">add_celix_bundle</span>(<span style="color:#b44">CalcTrackerBundle</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">SOURCES</span> <span style="color:#b44">src/CalcTrackerBundleActivator.cc</span> |
| </span></span><span style="display:flex;"><span>)<span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">target_include_directories</span>(<span style="color:#b44">CalcTrackerBundle</span> <span style="color:#b44">PRIVATE</span> <span style="color:#b44">include</span>)<span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">add_celix_container</span>(<span style="color:#b44">CalcTrackerContainer</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">BUNDLES</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">Celix::ShellCxx</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">Celix::shell_tui</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">CalcProviderBundle</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">CalcTrackerBundle</span> |
| </span></span><span style="display:flex;"><span>)<span style=""> |
| </span></span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#080;font-style:italic">#bash</span> |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">#goto project dir</span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f">cd</span> cmake-build-debug <span style="color:#080;font-style:italic">#assuming clion cmake-build-debug dir</span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f">cd</span> deploy/CalcTrackerContainer |
| </span></span><span style="display:flex;"><span>./CalcTrackerContainer |
| </span></span></code></pre></div><h3 id="service-properties-and-filters">Service properties and filters</h3> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-C++" data-lang="C++"><span style="display:flex;"><span><span style="color:#080;font-style:italic">//src/FilterExampleBundleActivator.cc |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span><span style="color:#080">#include</span> <span style="color:#080"><iostream></span><span style="color:#080"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#080">#include</span> <span style="color:#080">"celix/BundleActivator.h"</span><span style="color:#080"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#080">#include</span> <span style="color:#080">"celix/IShellCommand.h"</span><span style="color:#080"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#080"></span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">class</span> <span style="color:#00f">HelloWorldShellCommand</span> <span style="color:#666">:</span> <span style="color:#a2f;font-weight:bold">public</span> celix<span style="color:#666">::</span>IShellCommand { |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">public</span><span style="color:#666">:</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#0b0;font-weight:bold">void</span> executeCommand(<span style="color:#a2f;font-weight:bold">const</span> std<span style="color:#666">::</span>string<span style="color:#666">&</span> <span style="color:#080;font-style:italic">/*commandLine*/</span>, <span style="color:#a2f;font-weight:bold">const</span> std<span style="color:#666">::</span>vector<span style="color:#666"><</span>std<span style="color:#666">::</span>string<span style="color:#666">>&</span> <span style="color:#080;font-style:italic">/*commandArgs*/</span>, FILE<span style="color:#666">*</span> outStream, FILE<span style="color:#666">*</span> <span style="color:#080;font-style:italic">/*errorStream*/</span>) { |
| </span></span><span style="display:flex;"><span> fprintf(outStream, <span style="color:#b44">"Hello World</span><span style="color:#b62;font-weight:bold">\n</span><span style="color:#b44">"</span>); |
| </span></span><span style="display:flex;"><span> } |
| </span></span><span style="display:flex;"><span>}; |
| </span></span><span style="display:flex;"><span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">class</span> <span style="color:#00f">FilterExampleBundleActivator</span> { |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">public</span><span style="color:#666">:</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">explicit</span> FilterExampleBundleActivator(<span style="color:#a2f;font-weight:bold">const</span> std<span style="color:#666">::</span>shared_ptr<span style="color:#666"><</span>celix<span style="color:#666">::</span>BundleContext<span style="color:#666">>&</span> ctx) { |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">auto</span> reg1 <span style="color:#666">=</span> ctx<span style="color:#666">-></span>registerService<span style="color:#666"><</span>celix<span style="color:#666">::</span>IShellCommand<span style="color:#666">></span>(std<span style="color:#666">::</span>make_shared<span style="color:#666"><</span>HelloWorldShellCommand<span style="color:#666">></span>()) |
| </span></span><span style="display:flex;"><span> .addProperty(celix<span style="color:#666">::</span>IShellCommand<span style="color:#666">::</span>COMMAND_NAME, <span style="color:#b44">"command1"</span>) |
| </span></span><span style="display:flex;"><span> .build(); |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">auto</span> reg2 <span style="color:#666">=</span> ctx<span style="color:#666">-></span>registerService<span style="color:#666"><</span>celix<span style="color:#666">::</span>IShellCommand<span style="color:#666">></span>(std<span style="color:#666">::</span>make_shared<span style="color:#666"><</span>HelloWorldShellCommand<span style="color:#666">></span>()) |
| </span></span><span style="display:flex;"><span> .addProperty(celix<span style="color:#666">::</span>IShellCommand<span style="color:#666">::</span>COMMAND_NAME, <span style="color:#b44">"command2"</span>) |
| </span></span><span style="display:flex;"><span> .build(); |
| </span></span><span style="display:flex;"><span> regs.push_back(reg1); |
| </span></span><span style="display:flex;"><span> regs.push_back(reg2); |
| </span></span><span style="display:flex;"><span> |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">auto</span> serviceIdsNoFilter <span style="color:#666">=</span> ctx<span style="color:#666">-></span>findServices<span style="color:#666"><</span>celix<span style="color:#666">::</span>IShellCommand<span style="color:#666">></span>(); |
| </span></span><span style="display:flex;"><span> <span style="color:#a2f;font-weight:bold">auto</span> serviceIdsWithFilter <span style="color:#666">=</span> ctx<span style="color:#666">-></span>findServices<span style="color:#666"><</span>celix<span style="color:#666">::</span>IShellCommand<span style="color:#666">></span>(std<span style="color:#666">::</span>string{<span style="color:#b44">"("</span>} <span style="color:#666">+</span> celix<span style="color:#666">::</span>IShellCommand<span style="color:#666">::</span>COMMAND_NAME <span style="color:#666">+</span> <span style="color:#b44">"="</span> <span style="color:#666">+</span> <span style="color:#b44">"command1)"</span>); |
| </span></span><span style="display:flex;"><span> std<span style="color:#666">::</span>cout <span style="color:#666"><<</span> <span style="color:#b44">"Found "</span> <span style="color:#666"><<</span> std<span style="color:#666">::</span>to_string(serviceIdsNoFilter.size()) <span style="color:#666"><<</span> <span style="color:#b44">" IShelLCommand services and found "</span>; |
| </span></span><span style="display:flex;"><span> std<span style="color:#666">::</span>cout <span style="color:#666"><<</span> std<span style="color:#666">::</span>to_string(serviceIdsWithFilter.size()) <span style="color:#666"><<</span> <span style="color:#b44">" IShellCommand service with name command1"</span> <span style="color:#666"><<</span> std<span style="color:#666">::</span>endl; |
| </span></span><span style="display:flex;"><span> } |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">private</span><span style="color:#666">:</span> |
| </span></span><span style="display:flex;"><span> std<span style="color:#666">::</span>vector<span style="color:#666"><</span>std<span style="color:#666">::</span>shared_ptr<span style="color:#666"><</span>celix<span style="color:#666">::</span>ServiceRegistration<span style="color:#666">>></span> regs{}; |
| </span></span><span style="display:flex;"><span>}; |
| </span></span><span style="display:flex;"><span> |
| </span></span><span style="display:flex;"><span>CELIX_GEN_CXX_BUNDLE_ACTIVATOR(FilterExampleBundleActivator) |
| </span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-CMake" data-lang="CMake"><span style="display:flex;"><span><span style="color:#080;font-style:italic">#CMakeLists.txt |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span><span style="color:#a2f">find_package</span>(<span style="color:#b44">Celix</span> <span style="color:#b44">REQUIRED</span>)<span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">add_celix_bundle</span>(<span style="color:#b44">FilterExampleBundle</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">SOURCES</span> <span style="color:#b44">src/FilterExampleBundleActivator.cc</span> |
| </span></span><span style="display:flex;"><span>)<span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">target_link_libraries</span>(<span style="color:#b44">FilterExampleBundle</span> <span style="color:#b44">PRIVATE</span> <span style="color:#b44">Celix::shell_api</span>) <span style="color:#080;font-style:italic">#adds celix/IShellCommand.h to the include path |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span><span style=""> |
| </span></span></span><span style="display:flex;"><span><span style=""></span><span style="color:#a2f">add_celix_container</span>(<span style="color:#b44">FilterExampleContainer</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">BUNDLES</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">Celix::ShellCxx</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">Celix::shell_tui</span> |
| </span></span><span style="display:flex;"><span> <span style="color:#b44">FilterExampleBundle</span> |
| </span></span><span style="display:flex;"><span>)<span style=""> |
| </span></span></span></code></pre></div><div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#080;font-style:italic">#bash</span> |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">#goto project dir</span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f">cd</span> cmake-build-debug <span style="color:#080;font-style:italic">#assuming clion cmake-build-debug dir</span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f">cd</span> deploy/FilterExampleContainer |
| </span></span><span style="display:flex;"><span>./FilterExampleContainer |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">#Celix shell</span> |
| </span></span><span style="display:flex;"><span>-> command1 |
| </span></span><span style="display:flex;"><span>-> command2 |
| </span></span><span style="display:flex;"><span>-> <span style="color:#a2f">help</span> |
| </span></span></code></pre></div> |
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