org.eclipse.emf.edapt.spi.migration.impl

Class MigrationPackageImpl

java.lang.Object

org.eclipse.emf.common.notify.impl.BasicNotifierImpl

org.eclipse.emf.ecore.impl.BasicEObjectImpl

org.eclipse.emf.ecore.impl.MinimalEObjectImpl

org.eclipse.emf.ecore.impl.MinimalEObjectImpl.Container

org.eclipse.emf.ecore.impl.EModelElementImpl

org.eclipse.emf.ecore.impl.ENamedElementImpl

org.eclipse.emf.ecore.impl.EPackageImpl

org.eclipse.emf.edapt.spi.migration.impl.MigrationPackageImpl

All Implemented Interfaces:

org.eclipse.emf.common.notify.Notifier, org.eclipse.emf.ecore.EModelElement, org.eclipse.emf.ecore.ENamedElement, org.eclipse.emf.ecore.EObject, org.eclipse.emf.ecore.EPackage, org.eclipse.emf.ecore.EStructuralFeature.Internal.DynamicValueHolder, org.eclipse.emf.ecore.InternalEObject, org.eclipse.emf.ecore.util.BasicExtendedMetaData.EPackageExtendedMetaData.Holder, MigrationPackage

public class MigrationPackageImpl
extends org.eclipse.emf.ecore.impl.EPackageImpl
implements MigrationPackage

An implementation of the model Package.

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.emf.ecore.impl.MinimalEObjectImpl.Container

org.eclipse.emf.ecore.impl.MinimalEObjectImpl.Container.Dynamic

Nested classes/interfaces inherited from class org.eclipse.emf.ecore.impl.MinimalEObjectImpl

org.eclipse.emf.ecore.impl.MinimalEObjectImpl.Container

Nested classes/interfaces inherited from class org.eclipse.emf.common.notify.impl.BasicNotifierImpl

org.eclipse.emf.common.notify.impl.BasicNotifierImpl.EAdapterList<E extends Object & org.eclipse.emf.common.notify.Adapter>, org.eclipse.emf.common.notify.impl.BasicNotifierImpl.EObservableAdapterList

Nested classes/interfaces inherited from interface org.eclipse.emf.edapt.spi.migration.MigrationPackage

MigrationPackage.Literals

Nested classes/interfaces inherited from interface org.eclipse.emf.ecore.EPackage

org.eclipse.emf.ecore.EPackage.Descriptor, org.eclipse.emf.ecore.EPackage.Registry

Nested classes/interfaces inherited from interface org.eclipse.emf.ecore.InternalEObject

org.eclipse.emf.ecore.InternalEObject.EStore

Field Summary

Fields inherited from interface org.eclipse.emf.edapt.spi.migration.MigrationPackage

ABSTRACT_RESOURCE, ABSTRACT_RESOURCE__ENCODING, ABSTRACT_RESOURCE__URI, ABSTRACT_RESOURCE_FEATURE_COUNT, ATTRIBUTE_SLOT, ATTRIBUTE_SLOT__EATTRIBUTE, ATTRIBUTE_SLOT__INSTANCE, ATTRIBUTE_SLOT__VALUES, ATTRIBUTE_SLOT_FEATURE_COUNT, DIAGNOSTIC_CHAIN, DIAGNOSTIC_EXCEPTION, eINSTANCE, eNAME, eNS_PREFIX, eNS_URI, INSTANCE, INSTANCE__REFERENCES, INSTANCE__SLOTS, INSTANCE__TYPE, INSTANCE__URI, INSTANCE__UUID, INSTANCE_FEATURE_COUNT, METAMODEL, METAMODEL__DEFAULT_PACKAGE, METAMODEL__REPOSITORY, METAMODEL__RESOURCES, METAMODEL_FEATURE_COUNT, METAMODEL_RESOURCE, METAMODEL_RESOURCE__ENCODING, METAMODEL_RESOURCE__METAMODEL, METAMODEL_RESOURCE__ROOT_PACKAGES, METAMODEL_RESOURCE__URI, METAMODEL_RESOURCE_FEATURE_COUNT, MIGRATION_EXCEPTION, MODEL, MODEL__METAMODEL, MODEL__REFLECTION, MODEL__REPOSITORY, MODEL__RESOURCES, MODEL__TYPES, MODEL_FEATURE_COUNT, MODEL_RESOURCE, MODEL_RESOURCE__ENCODING, MODEL_RESOURCE__MODEL, MODEL_RESOURCE__ROOT_INSTANCES, MODEL_RESOURCE__URI, MODEL_RESOURCE_FEATURE_COUNT, REFERENCE_SLOT, REFERENCE_SLOT__EREFERENCE, REFERENCE_SLOT__INSTANCE, REFERENCE_SLOT__VALUES, REFERENCE_SLOT_FEATURE_COUNT, REPOSITORY, REPOSITORY__METAMODEL, REPOSITORY__MODEL, REPOSITORY_FEATURE_COUNT, SET, SLOT, SLOT__INSTANCE, SLOT_FEATURE_COUNT, TYPE, TYPE__ECLASS, TYPE__INSTANCES, TYPE__MODEL, TYPE_FEATURE_COUNT, URI

Fields inherited from interface org.eclipse.emf.ecore.EStructuralFeature.Internal.DynamicValueHolder

NIL

Fields inherited from interface org.eclipse.emf.ecore.InternalEObject

EOPPOSITE_FEATURE_BASE

Method Summary

Modifier and Type	Method and Description
void	createPackageContents() Creates the meta-model objects for the package.
org.eclipse.emf.ecore.EAttribute	getAbstractResource_Encoding()
org.eclipse.emf.ecore.EAttribute	getAbstractResource_Uri()
org.eclipse.emf.ecore.EClass	getAbstractResource()
org.eclipse.emf.ecore.EReference	getAttributeSlot_EAttribute()
org.eclipse.emf.ecore.EAttribute	getAttributeSlot_Values()
org.eclipse.emf.ecore.EClass	getAttributeSlot()
org.eclipse.emf.ecore.EDataType	getDiagnosticChain()
org.eclipse.emf.ecore.EDataType	getDiagnosticException()
org.eclipse.emf.ecore.EReference	getInstance_References()
org.eclipse.emf.ecore.EReference	getInstance_Slots()
org.eclipse.emf.ecore.EReference	getInstance_Type()
org.eclipse.emf.ecore.EAttribute	getInstance_Uri()
org.eclipse.emf.ecore.EAttribute	getInstance_Uuid()
org.eclipse.emf.ecore.EClass	getInstance()
org.eclipse.emf.ecore.EReference	getMetamodel_DefaultPackage()
org.eclipse.emf.ecore.EReference	getMetamodel_Repository()
org.eclipse.emf.ecore.EReference	getMetamodel_Resources()
org.eclipse.emf.ecore.EClass	getMetamodel()
org.eclipse.emf.ecore.EReference	getMetamodelResource_Metamodel()
org.eclipse.emf.ecore.EReference	getMetamodelResource_RootPackages()
org.eclipse.emf.ecore.EClass	getMetamodelResource()
org.eclipse.emf.ecore.EDataType	getMigrationException()
MigrationFactory	getMigrationFactory()
org.eclipse.emf.ecore.EReference	getModel_Metamodel()
org.eclipse.emf.ecore.EAttribute	getModel_Reflection()
org.eclipse.emf.ecore.EReference	getModel_Repository()
org.eclipse.emf.ecore.EReference	getModel_Resources()
org.eclipse.emf.ecore.EReference	getModel_Types()
org.eclipse.emf.ecore.EClass	getModel()
org.eclipse.emf.ecore.EReference	getModelResource_Model()
org.eclipse.emf.ecore.EReference	getModelResource_RootInstances()
org.eclipse.emf.ecore.EClass	getModelResource()
org.eclipse.emf.ecore.EReference	getReferenceSlot_EReference()
org.eclipse.emf.ecore.EReference	getReferenceSlot_Values()
org.eclipse.emf.ecore.EClass	getReferenceSlot()
org.eclipse.emf.ecore.EReference	getRepository_Metamodel()
org.eclipse.emf.ecore.EReference	getRepository_Model()
org.eclipse.emf.ecore.EClass	getRepository()
org.eclipse.emf.ecore.EDataType	getSet()
org.eclipse.emf.ecore.EReference	getSlot_Instance()
org.eclipse.emf.ecore.EClass	getSlot()
org.eclipse.emf.ecore.EReference	getType_EClass()
org.eclipse.emf.ecore.EReference	getType_Instances()
org.eclipse.emf.ecore.EReference	getType_Model()
org.eclipse.emf.ecore.EClass	getType()
org.eclipse.emf.ecore.EDataType	getURI()
static MigrationPackage	init() Creates, registers, and initializes the Package for this model, and for any others upon which it depends.
void	initializePackageContents() Complete the initialization of the package and its meta-model.

Methods inherited from class org.eclipse.emf.ecore.impl.EPackageImpl

basicGetESuperPackage, basicSetEFactoryInstance, eBasicRemoveFromContainerFeature, eGet, eInverseAdd, eInverseRemove, eInvoke, eIsSet, eObjectForURIFragmentSegment, eSet, eSetProxyURI, eUnset, freeze, getEClassifier, getEClassifierGen, getEClassifiers, getEFactoryInstance, getESubpackages, getESuperPackage, getExtendedMetaData, getNsPrefix, getNsURI, setEFactoryInstance, setExtendedMetaData, setNamespaceURI, setNsPrefix, setNsURI, toString

Methods inherited from class org.eclipse.emf.ecore.impl.ENamedElementImpl

eContents, eCrossReferences, getName, getNameGen, setName

Methods inherited from class org.eclipse.emf.ecore.impl.EModelElementImpl

eURIFragmentSegment, getEAnnotation, getEAnnotations

Methods inherited from class org.eclipse.emf.ecore.impl.MinimalEObjectImpl.Container

eInternalContainer

Methods inherited from class org.eclipse.emf.ecore.impl.MinimalEObjectImpl

dynamicGet, dynamicSet, dynamicUnset, eAdapters, eClass, eContainerFeatureID, eDeliver, eDirectResource, eIsProxy, eProxyURI, eSetClass, eSetDeliver

Methods inherited from class org.eclipse.emf.ecore.impl.BasicEObjectImpl

eAllContents, eBaseStructuralFeatureID, eBasicRemoveFromContainer, eBasicSetContainer, eContainer, eContainingFeature, eContainmentFeature, eContains, eDerivedOperationID, eDerivedOperationID, eDerivedStructuralFeatureID, eDerivedStructuralFeatureID, eDynamicBasicRemoveFromContainer, eDynamicGet, eDynamicGet, eDynamicInverseAdd, eDynamicInverseRemove, eDynamicInvoke, eDynamicIsSet, eDynamicIsSet, eDynamicSet, eDynamicSet, eDynamicUnset, eDynamicUnset, eGet, eGet, eGet, eInternalResource, eInverseAdd, eInverseRemove, eInvoke, eIsSet, eOpenGet, eOpenIsSet, eOpenSet, eOpenUnset, eResolveProxy, eResource, eSet, eSetResource, eSetStore, eSetting, eStore, eUnset, eVirtualGet, eVirtualGet, eVirtualIsSet, eVirtualSet, eVirtualUnset

Methods inherited from class org.eclipse.emf.common.notify.impl.BasicNotifierImpl

eNotificationRequired, eNotify

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.eclipse.emf.ecore.EPackage

getEClassifier, getEClassifiers, getEFactoryInstance, getESubpackages, getESuperPackage, getNsPrefix, getNsURI, setEFactoryInstance, setNsPrefix, setNsURI

Methods inherited from interface org.eclipse.emf.ecore.ENamedElement

getName, setName

Methods inherited from interface org.eclipse.emf.ecore.EModelElement

getEAnnotation, getEAnnotations

Methods inherited from interface org.eclipse.emf.ecore.EObject

eAllContents, eClass, eContainer, eContainingFeature, eContainmentFeature, eContents, eCrossReferences, eGet, eGet, eInvoke, eIsProxy, eIsSet, eResource, eSet, eUnset

Methods inherited from interface org.eclipse.emf.common.notify.Notifier

eAdapters, eDeliver, eNotify, eSetDeliver

Methods inherited from interface org.eclipse.emf.ecore.InternalEObject

eNotificationRequired

Method Detail

init

public static MigrationPackage init()

Creates, registers, and initializes the Package for this model, and for any others upon which it depends.

This method is used to initialize MigrationPackage.eINSTANCE when that field is accessed. Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.

See Also:

MigrationPackage.eNS_URI, createPackageContents(), initializePackageContents()

getModel

public org.eclipse.emf.ecore.EClass getModel()

Specified by:

getModel in interface MigrationPackage

Returns:

the meta object for class 'Model'.

See Also:

Model

getModel_Metamodel

public org.eclipse.emf.ecore.EReference getModel_Metamodel()

Specified by:

getModel_Metamodel in interface MigrationPackage

Returns:

the meta object for the reference 'Metamodel'.

See Also:

Model.getMetamodel(), MigrationPackage.getModel()

getModel_Types

public org.eclipse.emf.ecore.EReference getModel_Types()

Specified by:

getModel_Types in interface MigrationPackage

Returns:

the meta object for the containment reference list 'Types'.

See Also:

Model.getTypes(), MigrationPackage.getModel()

getModel_Reflection

public org.eclipse.emf.ecore.EAttribute getModel_Reflection()

Specified by:

getModel_Reflection in interface MigrationPackage

Returns:

the meta object for the attribute 'Reflection'.

See Also:

Model.isReflection(), MigrationPackage.getModel()

getModel_Resources

public org.eclipse.emf.ecore.EReference getModel_Resources()

Specified by:

getModel_Resources in interface MigrationPackage

Returns:

the meta object for the containment reference list 'Resources'.

See Also:

Model.getResources(), MigrationPackage.getModel()

getModel_Repository

public org.eclipse.emf.ecore.EReference getModel_Repository()

Specified by:

getModel_Repository in interface MigrationPackage

Returns:

the meta object for the container reference 'Repository'.

See Also:

Model.getRepository(), MigrationPackage.getModel()

getMetamodel

public org.eclipse.emf.ecore.EClass getMetamodel()

Specified by:

getMetamodel in interface MigrationPackage

Returns:

the meta object for class 'Metamodel'.

See Also:

Metamodel

getMetamodel_Resources

public org.eclipse.emf.ecore.EReference getMetamodel_Resources()

Specified by:

getMetamodel_Resources in interface MigrationPackage

Returns:

the meta object for the containment reference list 'Resources'.

See Also:

Metamodel.getResources(), MigrationPackage.getMetamodel()

getMetamodel_Repository

public org.eclipse.emf.ecore.EReference getMetamodel_Repository()

Specified by:

getMetamodel_Repository in interface MigrationPackage

Returns:

the meta object for the container reference 'Repository'.

See Also:

Metamodel.getRepository(), MigrationPackage.getMetamodel()

getMetamodel_DefaultPackage

public org.eclipse.emf.ecore.EReference getMetamodel_DefaultPackage()

Specified by:

getMetamodel_DefaultPackage in interface MigrationPackage

Returns:

the meta object for the reference 'Default Package'.

See Also:

Metamodel.getDefaultPackage(), MigrationPackage.getMetamodel()

getType

public org.eclipse.emf.ecore.EClass getType()

Specified by:

getType in interface MigrationPackage

Returns:

the meta object for class 'Type'.

See Also:

Type

getType_EClass

public org.eclipse.emf.ecore.EReference getType_EClass()

Specified by:

getType_EClass in interface MigrationPackage

Returns:

the meta object for the reference 'EClass'.

See Also:

Type.getEClass(), MigrationPackage.getType()

getType_Instances

public org.eclipse.emf.ecore.EReference getType_Instances()

Specified by:

getType_Instances in interface MigrationPackage

Returns:

the meta object for the containment reference list 'Instances'.

See Also:

Type.getInstances(), MigrationPackage.getType()

getType_Model

public org.eclipse.emf.ecore.EReference getType_Model()

Specified by:

getType_Model in interface MigrationPackage

Returns:

the meta object for the container reference 'Model'.

See Also:

Type.getModel(), MigrationPackage.getType()

getInstance

public org.eclipse.emf.ecore.EClass getInstance()

Specified by:

getInstance in interface MigrationPackage

Returns:

the meta object for class 'Instance'.

See Also:

Instance

getInstance_Slots

public org.eclipse.emf.ecore.EReference getInstance_Slots()

Specified by:

getInstance_Slots in interface MigrationPackage

Returns:

the meta object for the containment reference list 'Slots'.

See Also:

Instance.getSlots(), MigrationPackage.getInstance()

getInstance_Type

public org.eclipse.emf.ecore.EReference getInstance_Type()

Specified by:

getInstance_Type in interface MigrationPackage

Returns:

the meta object for the container reference 'Type'.

See Also:

Instance.getType(), MigrationPackage.getInstance()

getInstance_References

public org.eclipse.emf.ecore.EReference getInstance_References()

Specified by:

getInstance_References in interface MigrationPackage

Returns:

the meta object for the reference list 'References'.

See Also:

Instance.getReferences(), MigrationPackage.getInstance()

getInstance_Uri

public org.eclipse.emf.ecore.EAttribute getInstance_Uri()

Specified by:

getInstance_Uri in interface MigrationPackage

Returns:

the meta object for the attribute 'Uri'.

See Also:

Instance.getUri(), MigrationPackage.getInstance()

getInstance_Uuid

public org.eclipse.emf.ecore.EAttribute getInstance_Uuid()

Specified by:

getInstance_Uuid in interface MigrationPackage

Returns:

the meta object for the attribute 'Uuid'.

See Also:

Instance.getUuid(), MigrationPackage.getInstance()

getSlot

public org.eclipse.emf.ecore.EClass getSlot()

Specified by:

getSlot in interface MigrationPackage

Returns:

the meta object for class 'Slot'.

See Also:

Slot

getSlot_Instance

public org.eclipse.emf.ecore.EReference getSlot_Instance()

Specified by:

getSlot_Instance in interface MigrationPackage

Returns:

the meta object for the container reference 'Instance'.

See Also:

Slot.getInstance(), MigrationPackage.getSlot()

getAttributeSlot

public org.eclipse.emf.ecore.EClass getAttributeSlot()

Specified by:

getAttributeSlot in interface MigrationPackage

Returns:

the meta object for class 'Attribute Slot'.

See Also:

AttributeSlot

getAttributeSlot_EAttribute

public org.eclipse.emf.ecore.EReference getAttributeSlot_EAttribute()

Specified by:

getAttributeSlot_EAttribute in interface MigrationPackage

Returns:

the meta object for the reference 'EAttribute'.

See Also:

AttributeSlot.getEAttribute(), MigrationPackage.getAttributeSlot()

getAttributeSlot_Values

public org.eclipse.emf.ecore.EAttribute getAttributeSlot_Values()

Specified by:

getAttributeSlot_Values in interface MigrationPackage

Returns:

the meta object for the attribute list 'Values'.

See Also:

AttributeSlot.getValues(), MigrationPackage.getAttributeSlot()

getReferenceSlot

public org.eclipse.emf.ecore.EClass getReferenceSlot()

Specified by:

getReferenceSlot in interface MigrationPackage

Returns:

the meta object for class 'Reference Slot'.

See Also:

ReferenceSlot

getReferenceSlot_EReference

public org.eclipse.emf.ecore.EReference getReferenceSlot_EReference()

Specified by:

getReferenceSlot_EReference in interface MigrationPackage

Returns:

the meta object for the reference 'EReference'.

See Also:

ReferenceSlot.getEReference(), MigrationPackage.getReferenceSlot()

getReferenceSlot_Values

public org.eclipse.emf.ecore.EReference getReferenceSlot_Values()

Specified by:

getReferenceSlot_Values in interface MigrationPackage

Returns:

the meta object for the reference list 'Values'.

See Also:

ReferenceSlot.getValues(), MigrationPackage.getReferenceSlot()

getRepository

public org.eclipse.emf.ecore.EClass getRepository()

Specified by:

getRepository in interface MigrationPackage

Returns:

the meta object for class 'Repository'.

See Also:

Repository

getRepository_Model

public org.eclipse.emf.ecore.EReference getRepository_Model()

Specified by:

getRepository_Model in interface MigrationPackage

Returns:

the meta object for the containment reference 'Model'.

See Also:

Repository.getModel(), MigrationPackage.getRepository()

getRepository_Metamodel

public org.eclipse.emf.ecore.EReference getRepository_Metamodel()

Specified by:

getRepository_Metamodel in interface MigrationPackage

Returns:

the meta object for the containment reference 'Metamodel'.

See Also:

Repository.getMetamodel(), MigrationPackage.getRepository()

getModelResource

public org.eclipse.emf.ecore.EClass getModelResource()

Specified by:

getModelResource in interface MigrationPackage

Returns:

the meta object for class 'Model Resource'.

See Also:

ModelResource

getModelResource_RootInstances

public org.eclipse.emf.ecore.EReference getModelResource_RootInstances()

Specified by:

getModelResource_RootInstances in interface MigrationPackage

Returns:

the meta object for the reference list 'Root Instances'.

See Also:

ModelResource.getRootInstances(), MigrationPackage.getModelResource()

getModelResource_Model

public org.eclipse.emf.ecore.EReference getModelResource_Model()

Specified by:

getModelResource_Model in interface MigrationPackage

Returns:

the meta object for the container reference 'Model'.

See Also:

ModelResource.getModel(), MigrationPackage.getModelResource()

getAbstractResource

public org.eclipse.emf.ecore.EClass getAbstractResource()

Specified by:

getAbstractResource in interface MigrationPackage

Returns:

the meta object for class 'Abstract Resource'.

See Also:

AbstractResource

getAbstractResource_Uri

public org.eclipse.emf.ecore.EAttribute getAbstractResource_Uri()

Specified by:

getAbstractResource_Uri in interface MigrationPackage

Returns:

the meta object for the attribute 'Uri'.

See Also:

AbstractResource.getUri(), MigrationPackage.getAbstractResource()

getAbstractResource_Encoding

public org.eclipse.emf.ecore.EAttribute getAbstractResource_Encoding()

Specified by:

getAbstractResource_Encoding in interface MigrationPackage

Returns:

the meta object for the attribute 'Encoding'.

See Also:

AbstractResource.getEncoding(), MigrationPackage.getAbstractResource()

getMetamodelResource

public org.eclipse.emf.ecore.EClass getMetamodelResource()

Specified by:

getMetamodelResource in interface MigrationPackage

Returns:

the meta object for class 'Metamodel Resource'.

See Also:

MetamodelResource

getMetamodelResource_RootPackages

public org.eclipse.emf.ecore.EReference getMetamodelResource_RootPackages()

Specified by:

getMetamodelResource_RootPackages in interface MigrationPackage

Returns:

the meta object for the reference list 'Root Packages'.

See Also:

MetamodelResource.getRootPackages(), MigrationPackage.getMetamodelResource()

getMetamodelResource_Metamodel

public org.eclipse.emf.ecore.EReference getMetamodelResource_Metamodel()

Specified by:

getMetamodelResource_Metamodel in interface MigrationPackage

Returns:

the meta object for the container reference 'Metamodel'.

See Also:

MetamodelResource.getMetamodel(), MigrationPackage.getMetamodelResource()

getSet

public org.eclipse.emf.ecore.EDataType getSet()

Specified by:

getSet in interface MigrationPackage

Returns:

the meta object for data type 'Set'.

See Also:

Set

getDiagnosticChain

public org.eclipse.emf.ecore.EDataType getDiagnosticChain()

Specified by:

getDiagnosticChain in interface MigrationPackage

Returns:

the meta object for data type 'Diagnostic Chain'.

See Also:

DiagnosticChain

getURI

public org.eclipse.emf.ecore.EDataType getURI()

Specified by:

getURI in interface MigrationPackage

Returns:

the meta object for data type 'URI'.

See Also:

URI

getDiagnosticException

public org.eclipse.emf.ecore.EDataType getDiagnosticException()

Specified by:

getDiagnosticException in interface MigrationPackage

Returns:

the meta object for data type 'Diagnostic Exception'.

See Also:

DiagnosticException

getMigrationException

public org.eclipse.emf.ecore.EDataType getMigrationException()

Specified by:

getMigrationException in interface MigrationPackage

Returns:

the meta object for data type 'Exception'.

See Also:

MigrationException

getMigrationFactory

public MigrationFactory getMigrationFactory()

Specified by:

getMigrationFactory in interface MigrationPackage

Returns:

the factory that creates the instances of the model.

createPackageContents

public void createPackageContents()

Creates the meta-model objects for the package. This method is guarded to have no affect on any invocation but its first.

initializePackageContents

public void initializePackageContents()

Complete the initialization of the package and its meta-model. This method is guarded to have no affect on any invocation but its first.