First implementation for gridsuite-computation lib

.github/workflows/build.yml

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+name: CI
+
+on:
+  push:
+    branches:
+      - 'main'
+  pull_request:
+
+jobs:
+  build:
+    uses: powsybl/github-ci/.github/workflows/build-backend-lib-generic.yml@39565de6fd7d394ed76fa09e5197ffb1350ff1e6
+    with:
+      eventType: computation_updated
+    secrets:
+      sonar-token: ${{ secrets.SONAR_TOKEN }}
+      repo-token: ${{ secrets.REPO_ACCESS_TOKEN }}

.github/workflows/patch.yml

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+name: Patch
+
+on:
+  workflow_dispatch:
+    inputs:
+      branchRef:
+        description: 'Patch branch (format: release-vX.Y.Z)'
+        required: true
+        type: string
+
+jobs:
+  run-patch:
+    uses: powsybl/github-ci/.github/workflows/patch-backend-lib-generic.yml@39565de6fd7d394ed76fa09e5197ffb1350ff1e6
+    with:
+      githubappId: ${{ vars.GRIDSUITE_ACTIONS_APPID }}
+      branchRef: ${{ github.event.inputs.branchRef }}
+    secrets:
+      VERSIONBUMP_GHAPP_PRIVATE_KEY: ${{ secrets.VERSIONBUMP_GHAPP_PRIVATE_KEY }}

.github/workflows/release.yml

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+name: Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      versionType:
+        description: 'Version type increment (major | minor)'
+        required: true
+        type: choice
+        options:
+          - major
+          - minor
+
+jobs:
+  run-release:
+    uses: powsybl/github-ci/.github/workflows/release-backend-lib-generic.yml@39565de6fd7d394ed76fa09e5197ffb1350ff1e6
+    with:
+      githubappId: ${{ vars.GRIDSUITE_ACTIONS_APPID }}
+      versionType: ${{ github.event.inputs.versionType }}
+    secrets:
+      VERSIONBUMP_GHAPP_PRIVATE_KEY: ${{ secrets.VERSIONBUMP_GHAPP_PRIVATE_KEY }}

.gitignore

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+# VSCode
+/.vscode
+/.settings
+.classpath
+.factorypath
+.project
+
+target/
+
+# IntelliJ
+/.idea
+*.iml

README.md

@@ -1 +1,7 @@
-# computation
+# computation
+
+[![Actions Status](https://github.com/gridsuite/computation/workflows/CI/badge.svg)](https://github.com/gridsuite/computation/actions)
+[![Coverage Status](https://sonarcloud.io/api/project_badges/measure?project=org.gridsuite%computation&metric=coverage)](https://sonarcloud.io/component_measures?id=org.gridsuite%computation&metric=coverage)
+[![MPL-2.0 License](https://img.shields.io/badge/license-MPL_2.0-blue.svg)](https://www.mozilla.org/en-US/MPL/2.0/)
+
+Shared library for common computation and filter classes.

lombok.config

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+import target/configs/powsybl-build-tools.jar!powsybl-build-tools/lombok.config

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    Copyright (c) 2025, RTE (http://www.rte-france.com)
+    This Source Code Form is subject to the terms of the Mozilla Public
+    License, v. 2.0. If a copy of the MPL was not distributed with this
+    file, You can obtain one at http://mozilla.org/MPL/2.0/.
+-->
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+         xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>com.powsybl</groupId>
+        <artifactId>powsybl-parent</artifactId>
+        <version>23</version>
+        <relativePath/>
+    </parent>
+
+    <groupId>org.gridsuite</groupId>
+    <artifactId>gridsuite-computation</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+
+    <packaging>jar</packaging>
+    <name>Computation library</name>
+    <description>A shared library for common computation and filter classes</description>
+    <url>http://www.gridsuite.org/</url>
+
+    <scm>
+        <connection>scm:git:https://github.com/gridsuite/computation.git</connection>
+        <developerConnection>scm:git:https://github.com/gridsuite/computation.git</developerConnection>
+        <url>https://github.com/gridsuite/computation</url>
+    </scm>
+
+    <developers>
+        <developer>
+            <name>Rehili Ghazwa</name>
+            <email>[email protected]</email>
+            <organization>RTE</organization>
+            <organizationUrl>http://www.rte-france.com</organizationUrl>
+        </developer>
+    </developers>
+
+    <properties>
+        <spring-boot.version>3.3.3</spring-boot.version>
+        <spring-cloud.version>2023.0.1</spring-cloud.version>
+
+        <powsybl-dependencies.version>2025.0.2</powsybl-dependencies.version>
+        <powsybl-network-store-client.version>1.27.2</powsybl-network-store-client.version>
+
+        <lombok.version>1.18.34</lombok.version>
+        <org-apache-commons.version>4.4</org-apache-commons.version>
+        <org.hamcrest.version>2.2</org.hamcrest.version>
+
+        <gridsuite-filter.version>1.4.0</gridsuite-filter.version>
+
+        <sonar.organization>gridsuite</sonar.organization>
+        <sonar.projectKey>org.gridsuite:computation</sonar.projectKey>
+    </properties>
+
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-surefire-plugin</artifactId>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-failsafe-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencyManagement>
+        <dependencies>
+            <!-- Import -->
+            <dependency>
+                <groupId>com.powsybl</groupId>
+                <artifactId>powsybl-dependencies</artifactId>
+                <version>${powsybl-dependencies.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-dependencies</artifactId>
+                <version>${spring-boot.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-dependencies</artifactId>
+                <version>${spring-cloud.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+                <optional>true</optional>
+            </dependency>
+
+            <!-- Version overrides -->
+            <dependency>
+                <groupId>org.apache.commons</groupId>
+                <artifactId>commons-collections4</artifactId>
+                <version>${org-apache-commons.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.projectlombok</groupId>
+                <artifactId>lombok</artifactId>
+                <version>${lombok.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.junit.jupiter</groupId>
+                <artifactId>junit-jupiter-params</artifactId>
+            </dependency>
+            <dependency>
+                <groupId>org.hamcrest</groupId>
+                <artifactId>hamcrest</artifactId>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <!-- ============================================= -->
+        <!-- COMPILATION DEPENDENCIES                      -->
+        <!-- ============================================= -->
+        <!-- Apache Commons -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-collections4</artifactId>
+        </dependency>
+
+        <!-- Jackson -->
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+        </dependency>
+
+        <!-- Jakarta APIs -->
+        <dependency>
+            <groupId>jakarta.validation</groupId>
+            <artifactId>jakarta.validation-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>jakarta.persistence</groupId>
+            <artifactId>jakarta.persistence-api</artifactId>
+        </dependency>
+
+        <!-- Spring Framework -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-messaging</artifactId>
+        </dependency>
+
+        <!-- Spring Data -->
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-jpa</artifactId>
+        </dependency>
+
+        <!-- Spring Cloud -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-stream</artifactId>
+        </dependency>
+
+        <!-- AspectJ -->
+        <dependency>
+            <groupId>org.aspectj</groupId>
+            <artifactId>aspectjweaver</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <!-- Micrometer -->
+        <dependency>
+            <groupId>io.micrometer</groupId>
+            <artifactId>micrometer-core</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <!-- Powsybl -->
+        <dependency>
+            <groupId>com.powsybl</groupId>
+            <artifactId>powsybl-network-store-client</artifactId>
+            <version>${powsybl-network-store-client.version}</version>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>com.powsybl</groupId>
+            <artifactId>powsybl-security-analysis-api</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <!-- GridSuite -->
+        <dependency>
+            <groupId>org.gridsuite</groupId>
+            <artifactId>gridsuite-filter</artifactId>
+            <version>${gridsuite-filter.version}</version>
+        </dependency>
+
+        <!-- ============================================= -->
+        <!-- PROVIDED DEPENDENCIES                         -->
+        <!-- ============================================= -->
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <scope>provided</scope>
+        </dependency>
+
+        <!-- ============================================= -->
+        <!-- TEST DEPENDENCIES                             -->
+        <!-- ============================================= -->
+
+        <!-- JUnit -->
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- Mockito -->
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-junit-jupiter</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- AssertJ -->
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- Hamcrest -->
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest</artifactId>
+            <version>${org.hamcrest.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- JSON Assert -->
+        <dependency>
+            <groupId>org.skyscreamer</groupId>
+            <artifactId>jsonassert</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- Spring Boot Test -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-test-autoconfigure</artifactId>
+            <version>${spring-boot.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>

src/main/java/org/gridsuite/computation/ComputationConfig.java

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+/**
+ * Copyright (c) 2025, RTE (http://www.rte-france.com)
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+package org.gridsuite.computation;
+
+import com.fasterxml.jackson.databind.InjectableValues;
+import com.powsybl.commons.report.ReportNodeDeserializer;
+import com.powsybl.commons.report.ReportNodeJsonModule;
+import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class ComputationConfig {
+    @Bean
+    public Jackson2ObjectMapperBuilderCustomizer jsonCustomizer() {
+        return builder -> builder.modulesToInstall(new ReportNodeJsonModule())
+                .postConfigurer(objMapper -> objMapper.setInjectableValues(new InjectableValues.Std().addValue(ReportNodeDeserializer.DICTIONARY_VALUE_ID, null)));
+    }
+}