add realistic solver

4 files changed, 814 insertions, 0 deletions

diff --git a/Metrics/Metrics-Calculation/SocialNetwork_plugin/encore_gen/socialnetwork/impl/PersonImpl.java b/Metrics/Metrics-Calculation/SocialNetwork_plugin/encore_gen/socialnetwork/impl/PersonImpl.java
new file mode 100644
index 00000000..d8bab731
--- /dev/null
+++ b/Metrics/Metrics-Calculation/SocialNetwork_plugin/encore_gen/socialnetwork/impl/PersonImpl.java
@@ -0,0 +1,208 @@
+/**
+ */
+package socialnetwork.impl;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectResolvingEList;
+
+import socialnetwork.Person;
+import socialnetwork.SocialnetworkPackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Person</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link socialnetwork.impl.PersonImpl#getFriends <em>Friends</em>}</li>
+ *   <li>{@link socialnetwork.impl.PersonImpl#getName <em>Name</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class PersonImpl extends MinimalEObjectImpl.Container implements Person {
+        /**
+         * The cached value of the '{@link #getFriends() <em>Friends</em>}' reference list.
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @see #getFriends()
+         * @generated
+         * @ordered
+         */
+        protected EList<Person> friends;
+
+        /**
+         * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @see #getName()
+         * @generated
+         * @ordered
+         */
+        protected static final String NAME_EDEFAULT = "Name";
+
+        /**
+         * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @see #getName()
+         * @generated
+         * @ordered
+         */
+        protected String name = NAME_EDEFAULT;
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        protected PersonImpl() {
+                super();
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        protected EClass eStaticClass() {
+                return SocialnetworkPackage.Literals.PERSON;
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public EList<Person> getFriends() {
+                if (friends == null) {
+                        friends = new EObjectResolvingEList<Person>(Person.class, this, SocialnetworkPackage.PERSON__FRIENDS);
+                }
+                return friends;
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public String getName() {
+                return name;
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public void setName(String newName) {
+                String oldName = name;
+                name = newName;
+                if (eNotificationRequired())
+                        eNotify(new ENotificationImpl(this, Notification.SET, SocialnetworkPackage.PERSON__NAME, oldName, name));
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public Object eGet(int featureID, boolean resolve, boolean coreType) {
+                switch (featureID) {
+                case SocialnetworkPackage.PERSON__FRIENDS:
+                        return getFriends();
+                case SocialnetworkPackage.PERSON__NAME:
+                        return getName();
+                }
+                return super.eGet(featureID, resolve, coreType);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @SuppressWarnings("unchecked")
+        @Override
+        public void eSet(int featureID, Object newValue) {
+                switch (featureID) {
+                case SocialnetworkPackage.PERSON__FRIENDS:
+                        getFriends().clear();
+                        getFriends().addAll((Collection<? extends Person>) newValue);
+                        return;
+                case SocialnetworkPackage.PERSON__NAME:
+                        setName((String) newValue);
+                        return;
+                }
+                super.eSet(featureID, newValue);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public void eUnset(int featureID) {
+                switch (featureID) {
+                case SocialnetworkPackage.PERSON__FRIENDS:
+                        getFriends().clear();
+                        return;
+                case SocialnetworkPackage.PERSON__NAME:
+                        setName(NAME_EDEFAULT);
+                        return;
+                }
+                super.eUnset(featureID);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public boolean eIsSet(int featureID) {
+                switch (featureID) {
+                case SocialnetworkPackage.PERSON__FRIENDS:
+                        return friends != null && !friends.isEmpty();
+                case SocialnetworkPackage.PERSON__NAME:
+                        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+                }
+                return super.eIsSet(featureID);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public String toString() {
+                if (eIsProxy())
+                        return super.toString();
+
+                StringBuilder result = new StringBuilder(super.toString());
+                result.append(" (name: ");
+                result.append(name);
+                result.append(')');
+                return result.toString();
+        }
+
+} //PersonImpl
diff --git a/Metrics/Metrics-Calculation/SocialNetwork_plugin/encore_gen/socialnetwork/impl/SocialNetworkImpl.java b/Metrics/Metrics-Calculation/SocialNetwork_plugin/encore_gen/socialnetwork/impl/SocialNetworkImpl.java
new file mode 100644
index 00000000..cb28b749
--- /dev/null
+++ b/Metrics/Metrics-Calculation/SocialNetwork_plugin/encore_gen/socialnetwork/impl/SocialNetworkImpl.java
@@ -0,0 +1,228 @@
+/**
+ */
+package socialnetwork.impl;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+import socialnetwork.Person;
+import socialnetwork.SocialNetwork;
+import socialnetwork.SocialnetworkPackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Social Network</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link socialnetwork.impl.SocialNetworkImpl#getName <em>Name</em>}</li>
+ *   <li>{@link socialnetwork.impl.SocialNetworkImpl#getPersons <em>Persons</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class SocialNetworkImpl extends MinimalEObjectImpl.Container implements SocialNetwork {
+        /**
+         * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @see #getName()
+         * @generated
+         * @ordered
+         */
+        protected static final String NAME_EDEFAULT = "SocialNetwork";
+
+        /**
+         * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @see #getName()
+         * @generated
+         * @ordered
+         */
+        protected String name = NAME_EDEFAULT;
+
+        /**
+         * The cached value of the '{@link #getPersons() <em>Persons</em>}' containment reference list.
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @see #getPersons()
+         * @generated
+         * @ordered
+         */
+        protected EList<Person> persons;
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        protected SocialNetworkImpl() {
+                super();
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        protected EClass eStaticClass() {
+                return SocialnetworkPackage.Literals.SOCIAL_NETWORK;
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public String getName() {
+                return name;
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public void setName(String newName) {
+                String oldName = name;
+                name = newName;
+                if (eNotificationRequired())
+                        eNotify(new ENotificationImpl(this, Notification.SET, SocialnetworkPackage.SOCIAL_NETWORK__NAME, oldName,
+                                        name));
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public EList<Person> getPersons() {
+                if (persons == null) {
+                        persons = new EObjectContainmentEList<Person>(Person.class, this,
+                                        SocialnetworkPackage.SOCIAL_NETWORK__PERSONS);
+                }
+                return persons;
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+                switch (featureID) {
+                case SocialnetworkPackage.SOCIAL_NETWORK__PERSONS:
+                        return ((InternalEList<?>) getPersons()).basicRemove(otherEnd, msgs);
+                }
+                return super.eInverseRemove(otherEnd, featureID, msgs);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public Object eGet(int featureID, boolean resolve, boolean coreType) {
+                switch (featureID) {
+                case SocialnetworkPackage.SOCIAL_NETWORK__NAME:
+                        return getName();
+                case SocialnetworkPackage.SOCIAL_NETWORK__PERSONS:
+                        return getPersons();
+                }
+                return super.eGet(featureID, resolve, coreType);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @SuppressWarnings("unchecked")
+        @Override
+        public void eSet(int featureID, Object newValue) {
+                switch (featureID) {
+                case SocialnetworkPackage.SOCIAL_NETWORK__NAME:
+                        setName((String) newValue);
+                        return;
+                case SocialnetworkPackage.SOCIAL_NETWORK__PERSONS:
+                        getPersons().clear();
+                        getPersons().addAll((Collection<? extends Person>) newValue);
+                        return;
+                }
+                super.eSet(featureID, newValue);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public void eUnset(int featureID) {
+                switch (featureID) {
+                case SocialnetworkPackage.SOCIAL_NETWORK__NAME:
+                        setName(NAME_EDEFAULT);
+                        return;
+                case SocialnetworkPackage.SOCIAL_NETWORK__PERSONS:
+                        getPersons().clear();
+                        return;
+                }
+                super.eUnset(featureID);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public boolean eIsSet(int featureID) {
+                switch (featureID) {
+                case SocialnetworkPackage.SOCIAL_NETWORK__NAME:
+                        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+                case SocialnetworkPackage.SOCIAL_NETWORK__PERSONS:
+                        return persons != null && !persons.isEmpty();
+                }
+                return super.eIsSet(featureID);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public String toString() {
+                if (eIsProxy())
+                        return super.toString();
+
+                StringBuilder result = new StringBuilder(super.toString());
+                result.append(" (name: ");
+                result.append(name);
+                result.append(')');
+                return result.toString();
+        }
+
+} //SocialNetworkImpl
diff --git a/Metrics/Metrics-Calculation/SocialNetwork_plugin/encore_gen/socialnetwork/impl/SocialnetworkFactoryImpl.java b/Metrics/Metrics-Calculation/SocialNetwork_plugin/encore_gen/socialnetwork/impl/SocialnetworkFactoryImpl.java
new file mode 100644
index 00000000..87fa3a87
--- /dev/null
+++ b/Metrics/Metrics-Calculation/SocialNetwork_plugin/encore_gen/socialnetwork/impl/SocialnetworkFactoryImpl.java
@@ -0,0 +1,111 @@
+/**
+ */
+package socialnetwork.impl;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+
+import socialnetwork.*;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Factory</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class SocialnetworkFactoryImpl extends EFactoryImpl implements SocialnetworkFactory {
+        /**
+         * Creates the default factory implementation.
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        public static SocialnetworkFactory init() {
+                try {
+                        SocialnetworkFactory theSocialnetworkFactory = (SocialnetworkFactory) EPackage.Registry.INSTANCE
+                                        .getEFactory(SocialnetworkPackage.eNS_URI);
+                        if (theSocialnetworkFactory != null) {
+                                return theSocialnetworkFactory;
+                        }
+                } catch (Exception exception) {
+                        EcorePlugin.INSTANCE.log(exception);
+                }
+                return new SocialnetworkFactoryImpl();
+        }
+
+        /**
+         * Creates an instance of the factory.
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        public SocialnetworkFactoryImpl() {
+                super();
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public EObject create(EClass eClass) {
+                switch (eClass.getClassifierID()) {
+                case SocialnetworkPackage.SOCIAL_NETWORK:
+                        return createSocialNetwork();
+                case SocialnetworkPackage.PERSON:
+                        return createPerson();
+                default:
+                        throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+                }
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public SocialNetwork createSocialNetwork() {
+                SocialNetworkImpl socialNetwork = new SocialNetworkImpl();
+                return socialNetwork;
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public Person createPerson() {
+                PersonImpl person = new PersonImpl();
+                return person;
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public SocialnetworkPackage getSocialnetworkPackage() {
+                return (SocialnetworkPackage) getEPackage();
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @deprecated
+         * @generated
+         */
+        @Deprecated
+        public static SocialnetworkPackage getPackage() {
+                return SocialnetworkPackage.eINSTANCE;
+        }
+
+} //SocialnetworkFactoryImpl
diff --git a/Metrics/Metrics-Calculation/SocialNetwork_plugin/encore_gen/socialnetwork/impl/SocialnetworkPackageImpl.java b/Metrics/Metrics-Calculation/SocialNetwork_plugin/encore_gen/socialnetwork/impl/SocialnetworkPackageImpl.java
new file mode 100644
index 00000000..7588df50
--- /dev/null
+++ b/Metrics/Metrics-Calculation/SocialNetwork_plugin/encore_gen/socialnetwork/impl/SocialnetworkPackageImpl.java
@@ -0,0 +1,267 @@
+/**
+ */
+package socialnetwork.impl;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+
+import socialnetwork.Person;
+import socialnetwork.SocialNetwork;
+import socialnetwork.SocialnetworkFactory;
+import socialnetwork.SocialnetworkPackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Package</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class SocialnetworkPackageImpl extends EPackageImpl implements SocialnetworkPackage {
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        private EClass socialNetworkEClass = null;
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        private EClass personEClass = null;
+
+        /**
+         * Creates an instance of the model <b>Package</b>, registered with
+         * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+         * package URI value.
+         * <p>Note: the correct way to create the package is via the static
+         * factory method {@link #init init()}, which also performs
+         * initialization of the package, or returns the registered package,
+         * if one already exists.
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @see org.eclipse.emf.ecore.EPackage.Registry
+         * @see socialnetwork.SocialnetworkPackage#eNS_URI
+         * @see #init()
+         * @generated
+         */
+        private SocialnetworkPackageImpl() {
+                super(eNS_URI, SocialnetworkFactory.eINSTANCE);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        private static boolean isInited = false;
+
+        /**
+         * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
+         *
+         * <p>This method is used to initialize {@link SocialnetworkPackage#eINSTANCE} when that field is accessed.
+         * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @see #eNS_URI
+         * @see #createPackageContents()
+         * @see #initializePackageContents()
+         * @generated
+         */
+        public static SocialnetworkPackage init() {
+                if (isInited)
+                        return (SocialnetworkPackage) EPackage.Registry.INSTANCE.getEPackage(SocialnetworkPackage.eNS_URI);
+
+                // Obtain or create and register package
+                Object registeredSocialnetworkPackage = EPackage.Registry.INSTANCE.get(eNS_URI);
+                SocialnetworkPackageImpl theSocialnetworkPackage = registeredSocialnetworkPackage instanceof SocialnetworkPackageImpl
+                                ? (SocialnetworkPackageImpl) registeredSocialnetworkPackage
+                                : new SocialnetworkPackageImpl();
+
+                isInited = true;
+
+                // Create package meta-data objects
+                theSocialnetworkPackage.createPackageContents();
+
+                // Initialize created meta-data
+                theSocialnetworkPackage.initializePackageContents();
+
+                // Mark meta-data to indicate it can't be changed
+                theSocialnetworkPackage.freeze();
+
+                // Update the registry and return the package
+                EPackage.Registry.INSTANCE.put(SocialnetworkPackage.eNS_URI, theSocialnetworkPackage);
+                return theSocialnetworkPackage;
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public EClass getSocialNetwork() {
+                return socialNetworkEClass;
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public EAttribute getSocialNetwork_Name() {
+                return (EAttribute) socialNetworkEClass.getEStructuralFeatures().get(0);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public EReference getSocialNetwork_Persons() {
+                return (EReference) socialNetworkEClass.getEStructuralFeatures().get(1);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public EClass getPerson() {
+                return personEClass;
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public EReference getPerson_Friends() {
+                return (EReference) personEClass.getEStructuralFeatures().get(0);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public EAttribute getPerson_Name() {
+                return (EAttribute) personEClass.getEStructuralFeatures().get(1);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        @Override
+        public SocialnetworkFactory getSocialnetworkFactory() {
+                return (SocialnetworkFactory) getEFactoryInstance();
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        private boolean isCreated = false;
+
+        /**
+         * Creates the meta-model objects for the package.  This method is
+         * guarded to have no affect on any invocation but its first.
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        public void createPackageContents() {
+                if (isCreated)
+                        return;
+                isCreated = true;
+
+                // Create classes and their features
+                socialNetworkEClass = createEClass(SOCIAL_NETWORK);
+                createEAttribute(socialNetworkEClass, SOCIAL_NETWORK__NAME);
+                createEReference(socialNetworkEClass, SOCIAL_NETWORK__PERSONS);
+
+                personEClass = createEClass(PERSON);
+                createEReference(personEClass, PERSON__FRIENDS);
+                createEAttribute(personEClass, PERSON__NAME);
+        }
+
+        /**
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        private boolean isInitialized = false;
+
+        /**
+         * Complete the initialization of the package and its meta-model.  This
+         * method is guarded to have no affect on any invocation but its first.
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        public void initializePackageContents() {
+                if (isInitialized)
+                        return;
+                isInitialized = true;
+
+                // Initialize package
+                setName(eNAME);
+                setNsPrefix(eNS_PREFIX);
+                setNsURI(eNS_URI);
+
+                // Create type parameters
+
+                // Set bounds for type parameters
+
+                // Add supertypes to classes
+
+                // Initialize classes, features, and operations; add parameters
+                initEClass(socialNetworkEClass, SocialNetwork.class, "SocialNetwork", !IS_ABSTRACT, !IS_INTERFACE,
+                                IS_GENERATED_INSTANCE_CLASS);
+                initEAttribute(getSocialNetwork_Name(), ecorePackage.getEString(), "name", "SocialNetwork", 0, 1,
+                                SocialNetwork.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE,
+                                !IS_DERIVED, IS_ORDERED);
+                initEReference(getSocialNetwork_Persons(), this.getPerson(), null, "persons", null, 0, -1, SocialNetwork.class,
+                                !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE,
+                                IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+                initEClass(personEClass, Person.class, "Person", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+                initEReference(getPerson_Friends(), this.getPerson(), null, "friends", null, 0, -1, Person.class, !IS_TRANSIENT,
+                                !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED,
+                                IS_ORDERED);
+                initEAttribute(getPerson_Name(), ecorePackage.getEString(), "name", "Name", 0, 1, Person.class, !IS_TRANSIENT,
+                                !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+                // Create resource
+                createResource(eNS_URI);
+
+                // Create annotations
+                // http://www.eclipse.org/emf/2002/Ecore
+                createEcoreAnnotations();
+        }
+
+        /**
+         * Initializes the annotations for <b>http://www.eclipse.org/emf/2002/Ecore</b>.
+         * <!-- begin-user-doc -->
+         * <!-- end-user-doc -->
+         * @generated
+         */
+        protected void createEcoreAnnotations() {
+                String source = "http://www.eclipse.org/emf/2002/Ecore";
+                addAnnotation(this, source, new String[] {});
+        }
+
+} //SocialnetworkPackageImpl