Add utilities for persons

bundles/edu.kit.ipd.sdq.metamodels.persons/.classpath

@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src-gen"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="xtend-gen"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
 		<attributes>
 			<attribute name="module" value="true"/>

bundles/edu.kit.ipd.sdq.metamodels.persons/.project

@@ -5,6 +5,11 @@
 	<projects>
 	</projects>
 	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.xtext.ui.shared.xtextBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 		<buildCommand>
 			<name>org.eclipse.jdt.core.javabuilder</name>
 			<arguments>
@@ -25,5 +30,6 @@
 		<nature>org.eclipse.sirius.nature.modelingproject</nature>
 		<nature>org.eclipse.jdt.core.javanature</nature>
 		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.xtext.ui.shared.xtextNature</nature>
 	</natures>
 </projectDescription>

bundles/edu.kit.ipd.sdq.metamodels.persons/META-INF/MANIFEST.MF

@@ -11,6 +11,11 @@ Export-Package: edu.kit.ipd.sdq.metamodels.persons,
  edu.kit.ipd.sdq.metamodels.persons.impl,
  edu.kit.ipd.sdq.metamodels.persons.util
 Require-Bundle: org.eclipse.core.runtime,
- org.eclipse.emf.ecore;visibility:=reexport
+ org.eclipse.emf.ecore;visibility:=reexport,
+ edu.kit.ipd.sdq.activextendannotations,
+ com.google.guava,
+ org.eclipse.xtext.xbase.lib,
+ org.eclipse.xtend.lib,
+ org.eclipse.xtend.lib.macro
 Bundle-ActivationPolicy: lazy
 Automatic-Module-Name: edu.kit.ipd.sdq.metamodels.persons

bundles/edu.kit.ipd.sdq.metamodels.persons/build.properties

@@ -6,5 +6,7 @@ bin.includes = .,\
                plugin.xml,\
                plugin.properties
 jars.compile.order = .
-source.. = src-gen/
+source.. = src-gen/,\
+           src/,\
+           xtend-gen/
 output.. = target/classes/

bundles/edu.kit.ipd.sdq.metamodels.persons/src/edu/kit/ipd/sdq/metamodels/persons/PersonsUtil.xtend

@@ -0,0 +1,23 @@
+package edu.kit.ipd.sdq.metamodels.persons
+
+import edu.kit.ipd.sdq.activextendannotations.Utility
+
+@Utility
+class PersonsUtil {
+	/** Returns the {@linkplain PersonRegister} in which the person is contained.
+	 * 
+	 *  @param person the person to obtain the {@linkplain PersonRegister} from, must not be <code>null</code>
+	 *  @return <code>person.eContainer</code> as PersonRegister, if it actually is one
+	 *  @throws UnsupportedOperationException if the container is not a {@linkplain PersonRegister}  
+	 */
+	def static PersonRegister getPersonRegister(Person person) {
+		val container = person.eContainer
+
+		if (container instanceof PersonRegister) {
+			return container
+		}
+		throw new UnsupportedOperationException(
+			"Cannot retrieve register of a person if it is not its direct container")
+	}
+
+}