org.eclipse.epsilon.emc.emf

Class AbstractEmfModel

java.lang.Object

org.eclipse.epsilon.eol.models.Model

org.eclipse.epsilon.eol.models.CachedModel<org.eclipse.emf.ecore.EObject>

org.eclipse.epsilon.emc.emf.AbstractEmfModel

All Implemented Interfaces:

AutoCloseable, IModel

Direct Known Subclasses:

EmfMetaModel, EmfModel, VirtualEmfModel

public abstract class AbstractEmfModel
extends CachedModel<org.eclipse.emf.ecore.EObject>

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	expand
protected org.eclipse.emf.ecore.resource.Resource	modelImpl
static String	PROPERTY_EXPAND One of the keys used to construct the first argument to Model.load(StringProperties, String).
static String	PROPERTY_PARALLELALLOF Whether to perform getAllOfKind and getAllOfType operations in parallel.
protected org.eclipse.emf.ecore.EPackage.Registry	registry
protected EmfModelTransactionSupport	transactionSupport

Fields inherited from class org.eclipse.epsilon.eol.models.CachedModel

allContentsCache, kindCache, PROPERTY_CACHED, PROPERTY_CONCURRENT, typeCache

Fields inherited from class org.eclipse.epsilon.eol.models.Model

aliases, ENV_PREFIX, name, PROPERTY_ALIASES, PROPERTY_NAME, PROPERTY_READONLOAD, PROPERTY_READONLY, PROPERTY_STOREONDISPOSAL, propertyGetter, propertySetter, readOnLoad, storeOnDisposal

Constructor Summary

Constructors

Constructor and Description
AbstractEmfModel()

Method Summary

Modifier and Type	Method and Description
void	addMetamodelUri(String nsUri)
protected Collection<org.eclipse.emf.ecore.EObject>	allContentsFromModel()
org.eclipse.emf.ecore.EClass	classForName(String name)
protected org.eclipse.emf.ecore.EClass	classForName(String name, boolean absolute, org.eclipse.emf.ecore.EPackage pkg)
protected org.eclipse.emf.ecore.EClass	classForName(String name, org.eclipse.emf.ecore.EPackage.Registry registry)
protected org.eclipse.emf.ecore.EObject	createInstanceInModel(String type)
protected boolean	deleteElementInModel(Object instance) Returns true iff the given instance was deleted from the model.
void	disposeModel()
protected Collection<org.eclipse.emf.ecore.EObject>	getAllOfKindFromModel(String kind)
protected Collection<org.eclipse.emf.ecore.EObject>	getAllOfTypeFromModel(String type)
Collection<String>	getAllTypeNamesOf(Object instance) Returns the fully qualified names of every type to which the given object conforms.
Object	getCacheKeyForType(String type) Returns an identity for the given type, which will be used by CachedModel as a key for the memoization of model elements by type.
Object	getContainerOf(Object object)
Object	getElementById(String id)
String	getElementId(Object instance)
Object	getEnumerationValue(String enumeration, String label)
protected String	getFullyQualifiedName(org.eclipse.emf.ecore.EClassifier eClassifier)
String	getFullyQualifiedTypeNameOf(Object instance) Returns a string representing the fully-qualified type of the instance object.
protected InputStream	getInputStream(String file)
org.eclipse.emf.ecore.resource.Resource	getModelImpl() Deprecated. Use getResource() instead
protected org.eclipse.emf.ecore.EPackage.Registry	getPackageRegistry() Get the (cached) package registry belonging to the model implementation, if no registry is available the global one is provided
org.eclipse.emf.ecore.resource.Resource	getResource()
protected List<org.eclipse.emf.ecore.resource.Resource>	getResources()
IModelTransactionSupport	getTransactionSupport()
String	getTypeNameOf(Object instance) Returns a string representing the type of the instance object.
Object	getTypeOf(Object instance)
protected boolean	hasAdapter(Class<? extends org.eclipse.emf.ecore.util.EContentAdapter> adapterType) Determines whether this model has an adapter matching the specified type.
boolean	hasType(String type)
protected void	initCaches() Sets the caches based on this model's properties.
boolean	isExpand()
boolean	isInstantiable(String type)
boolean	isLoaded() Convenience method for determining when a model has been loaded.
boolean	isModelElement(Object instance) Used to test whether a Java object can be contained by this model.
boolean	isOfKind(Object instance, String metaClass)
boolean	isOfType(Object instance, String metaClass)
boolean	isParallelAllOf()
boolean	isPropertySet(Object instance, String property) Returns true if this instance has an explicit value for this property.
protected boolean	knowsAboutProperty(org.eclipse.emf.ecore.EObject instance, String property)
boolean	knowsAboutProperty(Object instance, String property) Returns true if this instance could have this property at some point.
void	load(StringProperties properties, IRelativePathResolver resolver)
boolean	owns(Object instance) Used to test whether an object is contained in this model.
void	setElementId(Object instance, String newId)
void	setExpand(boolean expand)
void	setModelImpl(org.eclipse.emf.ecore.resource.Resource modelImpl) Deprecated. Use setResource(Resource) instead
void	setParallelAllOf(boolean parallel)
void	setResource(org.eclipse.emf.ecore.resource.Resource resource)
boolean	store(OutputStream os)
boolean	store(String fileName)
boolean	store(org.eclipse.emf.common.util.URI uri)

Methods inherited from class org.eclipse.epsilon.eol.models.CachedModel

addToCache, allContents, clearCache, createInstance, deleteElement, dispose, getAllOfKind, getAllOfKindOrType, getAllOfType, isCachingEnabled, isConcurrent, load, loadModel, removeFromCache, setCachingEnabled, setConcurrent, wrap

Methods inherited from class org.eclipse.epsilon.eol.models.Model

allInstances, createInstance, getAliases, getMetamodel, getName, getPropertyGetter, getPropertySetter, isReadOnLoad, isStoredOnDisposal, load, load, setName, setReadOnLoad, setStoredOnDisposal

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.eclipse.epsilon.eol.models.IModel

close, store

Field Detail

PROPERTY_EXPAND

public static final String PROPERTY_EXPAND

One of the keys used to construct the first argument to Model.load(StringProperties, String). When paired with "true", external references will be resolved during loading. Otherwise, external references are not resolved. Paired with "true" by default.

See Also:

Constant Field Values

PROPERTY_PARALLELALLOF

public static final String PROPERTY_PARALLELALLOF

Whether to perform getAllOfKind and getAllOfType operations in parallel. False by default.

See Also:

Constant Field Values

modelImpl

protected org.eclipse.emf.ecore.resource.Resource modelImpl

expand

protected boolean expand

registry

protected org.eclipse.emf.ecore.EPackage.Registry registry

transactionSupport

protected EmfModelTransactionSupport transactionSupport

Constructor Detail

AbstractEmfModel

public AbstractEmfModel()

Method Detail

initCaches

protected void initCaches()

Description copied from class: CachedModel

Sets the caches based on this model's properties. This method should only be called if there has been a change to the properties (CachedModel.cachingEnabled or CachedModel.concurrent) as the caches will be reset.

Overrides:

initCaches in class CachedModel<org.eclipse.emf.ecore.EObject>

getInputStream

protected InputStream getInputStream(String file)
                              throws IOException

Throws:

IOException

addMetamodelUri

public void addMetamodelUri(String nsUri)

getPackageRegistry

protected org.eclipse.emf.ecore.EPackage.Registry getPackageRegistry()

Get the (cached) package registry belonging to the model implementation, if no registry is available the global one is provided

Returns:

the (global) package registry

getEnumerationValue

public Object getEnumerationValue(String enumeration,
                                  String label)
                           throws EolEnumerationValueNotFoundException

Throws:

EolEnumerationValueNotFoundException

knowsAboutProperty

public boolean knowsAboutProperty(Object instance,
                                  String property)

Description copied from interface: IModel

Returns true if this instance could have this property at some point.

Specified by:

knowsAboutProperty in interface IModel

Overrides:

knowsAboutProperty in class Model

knowsAboutProperty

protected boolean knowsAboutProperty(org.eclipse.emf.ecore.EObject instance,
                                     String property)

isPropertySet

public boolean isPropertySet(Object instance,
                             String property)
                      throws EolRuntimeException

Description copied from interface: IModel

Returns true if this instance has an explicit value for this property. This would be equivalent to eIsSet in EMF.

Specified by:

isPropertySet in interface IModel

Overrides:

isPropertySet in class Model

Throws:

EolRuntimeException

getAllOfTypeFromModel

protected Collection<org.eclipse.emf.ecore.EObject> getAllOfTypeFromModel(String type)
                                                                   throws EolModelElementTypeNotFoundException

Specified by:

getAllOfTypeFromModel in class CachedModel<org.eclipse.emf.ecore.EObject>

Throws:

EolModelElementTypeNotFoundException

getAllOfKindFromModel

protected Collection<org.eclipse.emf.ecore.EObject> getAllOfKindFromModel(String kind)
                                                                   throws EolModelElementTypeNotFoundException

Specified by:

getAllOfKindFromModel in class CachedModel<org.eclipse.emf.ecore.EObject>

Throws:

EolModelElementTypeNotFoundException

getCacheKeyForType

public Object getCacheKeyForType(String type)
                          throws EolModelElementTypeNotFoundException

Description copied from class: CachedModel

Returns an identity for the given type, which will be used by CachedModel as a key for the memoization of model elements by type.

Specified by:

getCacheKeyForType in class CachedModel<org.eclipse.emf.ecore.EObject>

Throws:

EolModelElementTypeNotFoundException

classForName

public org.eclipse.emf.ecore.EClass classForName(String name)
                                          throws EolModelElementTypeNotFoundException

Throws:

EolModelElementTypeNotFoundException

classForName

protected org.eclipse.emf.ecore.EClass classForName(String name,
                                                    org.eclipse.emf.ecore.EPackage.Registry registry)

classForName

protected org.eclipse.emf.ecore.EClass classForName(String name,
                                                    boolean absolute,
                                                    org.eclipse.emf.ecore.EPackage pkg)

allContentsFromModel

protected Collection<org.eclipse.emf.ecore.EObject> allContentsFromModel()

Specified by:

allContentsFromModel in class CachedModel<org.eclipse.emf.ecore.EObject>

createInstanceInModel

protected org.eclipse.emf.ecore.EObject createInstanceInModel(String type)
                                                       throws EolModelElementTypeNotFoundException,
                                                              EolNotInstantiableModelElementTypeException

Specified by:

createInstanceInModel in class CachedModel<org.eclipse.emf.ecore.EObject>

Throws:

EolModelElementTypeNotFoundException

EolNotInstantiableModelElementTypeException

getTransactionSupport

public IModelTransactionSupport getTransactionSupport()

Specified by:

getTransactionSupport in interface IModel

Overrides:

getTransactionSupport in class Model

deleteElementInModel

protected boolean deleteElementInModel(Object instance)
                                throws EolRuntimeException

Description copied from class: CachedModel

Returns true iff the given instance was deleted from the model.

Specified by:

deleteElementInModel in class CachedModel<org.eclipse.emf.ecore.EObject>

Throws:

EolRuntimeException

owns

public boolean owns(Object instance)

Description copied from interface: IModel

Used to test whether an object is contained in this model.

Parameters:

instance - the Java object to test.

Returns:

true if and only if instance is contained by this model.

store

public boolean store(String fileName)

store

public boolean store(org.eclipse.emf.common.util.URI uri)

store

public boolean store(OutputStream os)

disposeModel

public void disposeModel()

Specified by:

disposeModel in class CachedModel<org.eclipse.emf.ecore.EObject>

getResource

public org.eclipse.emf.ecore.resource.Resource getResource()

setResource

public void setResource(org.eclipse.emf.ecore.resource.Resource resource)

getModelImpl

@Deprecated
public org.eclipse.emf.ecore.resource.Resource getModelImpl()

Deprecated. Use getResource() instead

setModelImpl

public void setModelImpl(org.eclipse.emf.ecore.resource.Resource modelImpl)

Deprecated. Use setResource(Resource) instead

getResources

protected List<org.eclipse.emf.ecore.resource.Resource> getResources()

getElementById

public Object getElementById(String id)

getElementId

public String getElementId(Object instance)

setElementId

public void setElementId(Object instance,
                         String newId)

getTypeOf

public Object getTypeOf(Object instance)

Specified by:

getTypeOf in interface IModel

Overrides:

getTypeOf in class Model

getTypeNameOf

public String getTypeNameOf(Object instance)

Description copied from interface: IModel

Returns a string representing the type of the instance object. The value returned by this function can be passed to createInstance to instantiate another object of the same type as instance.

Parameters:

instance - The model object whose type is to be determined.

Returns:

the name of the type of the model object, instance.

getFullyQualifiedTypeNameOf

public String getFullyQualifiedTypeNameOf(Object instance)

Description copied from interface: IModel

Returns a string representing the fully-qualified type of the instance object. The value returned by this function can be passed to createInstance to instantiate another object of the same type as instance.

Specified by:

getFullyQualifiedTypeNameOf in interface IModel

Overrides:

getFullyQualifiedTypeNameOf in class Model

Parameters:

instance - The model object whose type is to be determined.

Returns:

the name of the type of the model object, instance.

getAllTypeNamesOf

public Collection<String> getAllTypeNamesOf(Object instance)

Description copied from class: CachedModel

Returns the fully qualified names of every type to which the given object conforms. The values are used by by CachedModel for the memoization of model elements by their kind (CachedModel.getAllOfKind(String)).

Specified by:

getAllTypeNamesOf in class CachedModel<org.eclipse.emf.ecore.EObject>

isInstantiable

public boolean isInstantiable(String type)

hasType

public boolean hasType(String type)

hasAdapter

protected boolean hasAdapter(Class<? extends org.eclipse.emf.ecore.util.EContentAdapter> adapterType)

Determines whether this model has an adapter matching the specified type.

Parameters:

adapterType - The adapter class.

Returns:

true if this model's adapters contains the specified adapter type.

Since:

1.6

getFullyQualifiedName

protected String getFullyQualifiedName(org.eclipse.emf.ecore.EClassifier eClassifier)

isModelElement

public boolean isModelElement(Object instance)

Description copied from interface: IModel

Used to test whether a Java object can be contained by this model. For example, EMF models can contain instances of EObject, but not instances of just Object.

Specified by:

isModelElement in interface IModel

Overrides:

isModelElement in class Model

Parameters:

instance - the Java object to test.

Returns:

true if and only if instance can be contained by this model.

isOfKind

public boolean isOfKind(Object instance,
                        String metaClass)
                 throws EolModelElementTypeNotFoundException

Specified by:

isOfKind in interface IModel

Overrides:

isOfKind in class Model

Throws:

EolModelElementTypeNotFoundException

isOfType

public boolean isOfType(Object instance,
                        String metaClass)
                 throws EolModelElementTypeNotFoundException

Specified by:

isOfType in interface IModel

Overrides:

isOfType in class Model

Throws:

EolModelElementTypeNotFoundException

getContainerOf

public Object getContainerOf(Object object)

isExpand

public boolean isExpand()

setExpand

public void setExpand(boolean expand)

setParallelAllOf

public void setParallelAllOf(boolean parallel)

Parameters:

parallel -

Since:

1.6

isParallelAllOf

public boolean isParallelAllOf()

Returns:

Since:

1.6

load

public void load(StringProperties properties,
                 IRelativePathResolver resolver)
          throws EolModelLoadingException

Specified by:

load in interface IModel

Overrides:

load in class CachedModel<org.eclipse.emf.ecore.EObject>

Throws:

EolModelLoadingException

isLoaded

public boolean isLoaded()

Description copied from class: CachedModel

Convenience method for determining when a model has been loaded.

Overrides:

isLoaded in class CachedModel<org.eclipse.emf.ecore.EObject>

Returns:

Whether the cache has been populated.

Since:

1.6