feature: Add a new endpoint for metamodels of view types.

p2wrappers/emfutils/pom.xml

@@ -61,5 +61,9 @@
         </exclusion>
       </exclusions>
     </dependency>
+      <dependency>
+        <groupId>sdq-demo-metamodels</groupId>
+        <artifactId>edu.kit.ipd.sdq.metamodels.families</artifactId>
+    </dependency>
   </dependencies>
 </project>

pom.xml

@@ -41,6 +41,8 @@
   </modules>
 
   <properties>
+    <repo.sdq-demo-metamodels.version>1.9.0</repo.sdq-demo-metamodels.version>
+    <repo.sdq-commons.version>2.2.0</repo.sdq-commons.version>
     <vitruv.version>3.2.4-SNAPSHOT</vitruv.version>
     <sonar.host.url>https://sonarcloud.io</sonar.host.url>
     <sonar.organization>vitruv-tools</sonar.organization>
@@ -119,6 +121,7 @@
         <version>1.16.0</version>
       </dependency>
 
+
       <!-- external test dependencies -->
       <dependency>
         <groupId>org.junit.jupiter</groupId>
@@ -145,12 +148,29 @@
         <artifactId>mockito-core</artifactId>
         <version>5.20.0</version>
       </dependency>
+      <dependency>
+        <groupId>sdq-demo-metamodels</groupId>
+        <artifactId>edu.kit.ipd.sdq.metamodels.families</artifactId>
+        <version>1.9.0.202311201524</version>
+      </dependency>
     </dependencies>
 
   </dependencyManagement>
 
   <repositories>
     <!-- allow snapshots -->
+    <repository>
+      <id>sdq-commons</id>
+      <name>SDQ Commons</name>
+      <url>https://kit-sdq.github.io/updatesite/release/commons/${repo.sdq-commons.version}</url>
+      <layout>p2</layout>
+    </repository>
+    <repository>
+      <id>sdq-demo-metamodels</id>
+      <name>SDQ Demo Metamodels</name>
+      <url>https://kit-sdq.github.io/updatesite/release/metamodels/demo/${repo.sdq-demo-metamodels.version}</url>
+      <layout>p2</layout>
+    </repository>
     <repository>
       <id>ossrh-snapshots</id>
       <name>OSSRH Snapshots</name>

remote/pom.xml

@@ -99,11 +99,20 @@
       <artifactId>mockito-core</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>tools.vitruv</groupId>
+      <artifactId>tools.vitruv.change.testutils.integration</artifactId>
+      <version>3.1.2</version>
+    </dependency>
     <!-- p2 compile dependencies -->
     <dependency>
       <groupId>${project.groupId}</groupId>
       <artifactId>tools.vitruv.server.p2wrappers.emfutils</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>sdq-demo-metamodels</groupId>
+      <artifactId>edu.kit.ipd.sdq.metamodels.families</artifactId>
+    </dependency>
   </dependencies>
 </project>

remote/src/main/java/tools/vitruv/framework/remote/client/impl/RemoteViewType.java

@@ -1,35 +1,60 @@
 package tools.vitruv.framework.remote.client.impl;
 
+import org.eclipse.emf.ecore.EPackage;
 import tools.vitruv.framework.views.ChangeableViewSource;
 import tools.vitruv.framework.views.ViewSelector;
 import tools.vitruv.framework.views.ViewType;
 
 /**
- * A Vitruvius view type representing actual types on the virtual model, but is still capable of providing a view selector and allows creating
+ * A Vitruvius view type representing actual types on the virtual model, 
+ * but is still capable of providing a view selector and allows creating
  * views by querying the Vitruvius server.
  */
 public class RemoteViewType implements ViewType<ViewSelector> {
-    private final String name;
-    private final VitruvRemoteConnection remoteConnection;
+  private final String name;
+  private final VitruvRemoteConnection remoteConnection;
+  private EPackage metamodel;
 
-    RemoteViewType(String name, VitruvRemoteConnection remoteConnection) {
-        this.name = name;
-        this.remoteConnection = remoteConnection;
-    }
+  /**
+   * Creates a new view type.
+   *
+   * @param name - String
+   * @param remoteConnection - {@link VitruvRemoteConnection}
+   */
+  RemoteViewType(String name, VitruvRemoteConnection remoteConnection) {
+    this.name = name;
+    this.remoteConnection = remoteConnection;
+  }
 
-    @Override
-    public String getName() {
-        return name;
-    }
+  @Override
+  public String getName() {
+    return name;
+  }
+
+  /**
+   * Returns the {@link ViewSelector} of the {@link ViewType}, 
+   * which allows configuring views by delegating the request to the Vitruvius server.
+   *
+   * @param viewSource Ignored, can be null.
+   * @return A view selector for the view type represented by this remote view type.
+   */
+  @Override
+  public ViewSelector createSelector(ChangeableViewSource viewSource) {
+    return remoteConnection.getSelector(name);
+  }
 
-    /**
-     * Returns the {@link ViewSelector} of the {@link ViewType}, which allows configuring views by delegating the request to the Vitruvius server.
-     * 
-     * @param viewSource Ignored, can be null.
-     * @return A view selector for the view type represented by this remote view type.
-     */
-    @Override
-    public ViewSelector createSelector(ChangeableViewSource viewSource) {
-        return remoteConnection.getSelector(name);
+  /**
+   * Returns the metamodel (i.e. actual view type) as {@link EPackage},
+   * by delegating the requrest to the Vitruvius server.
+   * When metamodel has already been loaded, returns it instead.
+   *
+   * @return {@link EPackage}
+   */
+  @Override
+  public EPackage getMetamodel() {
+    if (metamodel == null) {
+      metamodel = remoteConnection.getMetamodel(name);
     }
+    return metamodel;
+  }
 }