fr.inria.atlanmod.neoemf.data.store

Class AbstractDirectWriteStore<P extends PersistenceBackend>

java.lang.Object

fr.inria.atlanmod.neoemf.data.store.AbstractPersistentStore

fr.inria.atlanmod.neoemf.data.store.AbstractDirectWriteStore<P>

Type Parameters:

P - the type of the supported PersistenceBackend

All Implemented Interfaces:

DirectWriteStore, PersistentStore, InternalEObject.EStore

Direct Known Subclasses:

DirectWriteBlueprintsStore, DirectWriteHBaseStore, DirectWriteMapDbStore

public abstract class AbstractDirectWriteStore<P extends PersistenceBackend>
extends AbstractPersistentStore
implements DirectWriteStore

An abstract DirectWriteStore that redirects certain methods according to the instance of the encountered EStructuralFeature. If the subclass does not re-implement the inherited methods of EMF, the call is automatically redirected to the associated method that begins with the same name.

Field Summary

Fields

Modifier and Type	Field and Description
protected P	backend The persistence back-end used to store the model.

Fields inherited from interface fr.inria.atlanmod.neoemf.data.store.PersistentStore

NO_INDEX

Constructor Summary

Constructors

Constructor and Description
AbstractDirectWriteStore(Resource.Internal resource, P backend) Constructs a new AbstractDirectWriteStore between the given resource and the backend.

Method Summary

Modifier and Type	Method and Description
void	add(InternalEObject internalObject, EStructuralFeature feature, int index, Object value) Adds the value at the index in the content of the object's feature.
protected void	addAttribute(PersistentEObject object, EAttribute attribute, int index, Object value) Adds the value at the index in the content of the attribute of the object.
protected void	addReference(PersistentEObject object, EReference reference, int index, PersistentEObject value) Adds the value at the index in the content of the reference of the object.
void	clear(InternalEObject internalObject, EStructuralFeature feature) Removes all values form the content of the object's feature
protected void	clearAttribute(PersistentEObject object, EAttribute attribute) Removes all values form the content of the attribute of the object.
protected void	clearReference(PersistentEObject object, EReference reference) Removes all values form the content of the reference of the object.
boolean	contains(InternalEObject internalObject, EStructuralFeature feature, Object value) Returns whether the content of the object's feature contains the given value.
protected boolean	containsAttribute(PersistentEObject object, EAttribute attribute, Object value) Returns whether the content of the attribute of the object contains the given value.
protected boolean	containsReference(PersistentEObject object, EReference reference, PersistentEObject value) Returns whether the content of the reference of the object contains the given value.
EObject	create(EClass eClass) Creates a new instance of the class.
Object	get(InternalEObject internalObject, EStructuralFeature feature, int index) Returns the value at the index in the content of the object's feature.
protected Object	getAttribute(PersistentEObject object, EAttribute attribute, int index) Returns the value at the index in the content of the attribute of the object.
protected Object	getReference(PersistentEObject object, EReference reference, int index) Returns the value at the index in the content of the reference of the object.
int	hashCode(InternalEObject internalObject, EStructuralFeature feature) Returns the hash code of the content of the object's feature.
int	indexOf(InternalEObject internalObject, EStructuralFeature feature, Object value) Returns the first index of the given value in the content of the object's feature.
protected int	indexOfAttribute(PersistentEObject object, EAttribute attribute, Object value) Returns the first index of the given value in the content of the attribute of the object.
protected int	indexOfReference(PersistentEObject object, EReference reference, PersistentEObject value) Returns the first index of the given value in the content of the reference of the object.
boolean	isEmpty(InternalEObject internalObject, EStructuralFeature feature) Returns whether the content of the object's feature is empty.
boolean	isSet(InternalEObject internalObject, EStructuralFeature feature) Returns whether the object's feature is considered set.
protected boolean	isSetAttribute(PersistentEObject object, EAttribute attribute) Returns whether the attribute of the object is considered set.
protected boolean	isSetReference(PersistentEObject object, EReference reference) Returns whether the reference of the object is considered set.
int	lastIndexOf(InternalEObject internalObject, EStructuralFeature feature, Object value) Returns the last index of the given value in the content of the object's feature.
protected int	lastIndexOfAttribute(PersistentEObject object, EAttribute attribute, Object value) Returns the last index of the given value in the content of the attribute of the object.
protected int	lastIndexOfReference(PersistentEObject object, EReference reference, PersistentEObject value) Returns the last index of the given value in the content of the reference of the object.
Object	move(InternalEObject internalObject, EStructuralFeature feature, int targetIndex, int sourceIndex) Moves the value at the source index in the content of the object's feature to the target index.
protected Object	parseProperty(EAttribute attribute, Object property) Creates an instance of the attribute.
Object	remove(InternalEObject internalObject, EStructuralFeature feature, int index) Removes the value at the index in the content of the object's feature.
protected Object	removeAttribute(PersistentEObject object, EAttribute attribute, int index) Removes the value at the index in the content of the attribute of the object.
protected Object	removeReference(PersistentEObject object, EReference reference, int index) Removes the value at the index in the content of the reference of the object.
Resource.Internal	resource() Returns the Resource to persist and access.
void	save() Saves the modifications of the owned EObjects in the persistence back-end.
protected Object	serializeToProperty(EAttribute attribute, Object value) Converts an instance of the attribute to a string literal representation.
Object	set(InternalEObject internalObject, EStructuralFeature feature, int index, Object value) Sets the value at the index in the content of the object's feature.
protected Object	setAttribute(PersistentEObject object, EAttribute attribute, int index, Object value) Sets the value at the index in the content of the attribute of the object.
protected Object	setReference(PersistentEObject object, EReference reference, int index, PersistentEObject value) Sets the value at the index in the content of the reference of the object.
Object[]	toArray(InternalEObject internalObject, EStructuralFeature feature) Returns a new array of the values in the content of the object's feature.
<T> T[]	toArray(InternalEObject internalObject, EStructuralFeature feature, T[] array) Returns an array of the values in the content of the object's feature.
void	unset(InternalEObject internalObject, EStructuralFeature feature) Unsets the feature of the object.
protected void	unsetAttribute(PersistentEObject object, EAttribute attribute) Unsets the attribute of the object.
protected void	unsetReference(PersistentEObject object, EReference reference) Unsets the reference of the object.

Methods inherited from class java.lang.Object

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

Methods inherited from interface fr.inria.atlanmod.neoemf.data.store.PersistentStore

eObject, getAllInstances

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

getContainer, getContainingFeature, size

Field Detail

backend

protected final P extends PersistenceBackend backend

The persistence back-end used to store the model.

Constructor Detail

AbstractDirectWriteStore

public AbstractDirectWriteStore(Resource.Internal resource,
                                P backend)

Constructs a new AbstractDirectWriteStore between the given resource and the backend.

Parameters:

resource - the resource to persist and access

backend - the persistence back-end used to store the model

Method Detail

resource

public Resource.Internal resource()

Description copied from interface: PersistentStore

Returns the Resource to persist and access.

Specified by:

resource in interface PersistentStore

Returns:

the resource to persist and access

save

public void save()

Description copied from interface: PersistentStore

Saves the modifications of the owned EObjects in the persistence back-end.

Specified by:

save in interface PersistentStore

get

public Object get(InternalEObject internalObject,
                  EStructuralFeature feature,
                  int index)

Returns the value at the index in the content of the object's feature.

By default, calls the associated methods depending on the type of the feature.

Specified by:

get in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a feature of the object.

index - an index within the content or InternalEObject.EStore.NO_INDEX.

Returns:

the value at the index in the content of the object's feature.

See Also:

getAttribute(PersistentEObject, EAttribute, int), getReference(PersistentEObject, EReference, int)

set

public Object set(InternalEObject internalObject,
                  EStructuralFeature feature,
                  int index,
                  Object value)

Sets the value at the index in the content of the object's feature.

By default, calls the associated methods depending on the type of the feature.

Specified by:

set in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a feature of the object.

index - an index within the content or InternalEObject.EStore.NO_INDEX.

value - the new value.

Returns:

the previous value.

See Also:

setAttribute(PersistentEObject, EAttribute, int, Object), setReference(PersistentEObject, EReference, int, PersistentEObject)

isSet

public boolean isSet(InternalEObject internalObject,
                     EStructuralFeature feature)

Returns whether the object's feature is considered set.

By default, calls the associated methods depending on the type of the feature.

Specified by:

isSet in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a feature of the object.

Returns:

true if the object's feature is considered set.

See Also:

isSetAttribute(PersistentEObject, EAttribute), isSetReference(PersistentEObject, EReference)

unset

public void unset(InternalEObject internalObject,
                  EStructuralFeature feature)

Unsets the feature of the object.

By default, calls the associated methods depending on the type of the feature.

Specified by:

unset in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a feature of the object.

See Also:

unsetAttribute(PersistentEObject, EAttribute), unsetReference(PersistentEObject, EReference)

isEmpty

public boolean isEmpty(InternalEObject internalObject,
                       EStructuralFeature feature)

Description copied from interface: org.eclipse.emf.ecore.InternalEObject.EStore

Returns whether the content of the object's feature is empty.

Specified by:

isEmpty in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a many-valued feature of the object.

Returns:

true if the content of the object's feature is empty.

contains

public boolean contains(InternalEObject internalObject,
                        EStructuralFeature feature,
                        Object value)

Returns whether the content of the object's feature contains the given value.

By default, calls the associated methods depending on the type of the feature.

Specified by:

contains in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a many-valued feature of the object.

value - the value in question.

Returns:

true if the content of the object's feature contains the given value.

See Also:

containsAttribute(PersistentEObject, EAttribute, Object), containsReference(PersistentEObject, EReference, PersistentEObject)

indexOf

public int indexOf(InternalEObject internalObject,
                   EStructuralFeature feature,
                   Object value)

Returns the first index of the given value in the content of the object's feature.

By default, calls the associated methods depending on the type of the feature.

Specified by:

indexOf in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a many-valued feature of the object.

value - the value in question.

Returns:

the first index of the given value in the content of the object's feature.

See Also:

indexOfAttribute(PersistentEObject, EAttribute, Object), indexOfReference(PersistentEObject, EReference, PersistentEObject)

lastIndexOf

public int lastIndexOf(InternalEObject internalObject,
                       EStructuralFeature feature,
                       Object value)

Returns the last index of the given value in the content of the object's feature.

By default, calls the associated methods depending on the type of the feature.

Specified by:

lastIndexOf in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a many-valued feature of the object.

value - the value in question.

Returns:

the last index of the given value in the content of the object's feature.

See Also:

lastIndexOfAttribute(PersistentEObject, EAttribute, Object), lastIndexOfReference(PersistentEObject, EReference, PersistentEObject)

add

public void add(InternalEObject internalObject,
                EStructuralFeature feature,
                int index,
                Object value)

Adds the value at the index in the content of the object's feature.

By default, calls the associated methods depending on the type of the feature.

Specified by:

add in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a many-valued feature of the object.

index - an index within the content.

value - the value to add.

See Also:

addAttribute(PersistentEObject, EAttribute, int, Object), addReference(PersistentEObject, EReference, int, PersistentEObject)

remove

public Object remove(InternalEObject internalObject,
                     EStructuralFeature feature,
                     int index)

Removes the value at the index in the content of the object's feature.

By default, calls the associated methods depending on the type of the feature.

Specified by:

remove in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a many-valued feature of the object.

index - the index within the feature's content of the value to remove.

Returns:

the removed value.

See Also:

removeAttribute(PersistentEObject, EAttribute, int), removeReference(PersistentEObject, EReference, int)

move

public Object move(InternalEObject internalObject,
                   EStructuralFeature feature,
                   int targetIndex,
                   int sourceIndex)

Description copied from interface: org.eclipse.emf.ecore.InternalEObject.EStore

Moves the value at the source index in the content of the object's feature to the target index.

Specified by:

move in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a many-valued feature of the object.

targetIndex - the index within the feature's content to which to move the value.

sourceIndex - the index within the feature's content of the value to move.

Returns:

the moved value.

clear

public void clear(InternalEObject internalObject,
                  EStructuralFeature feature)

Removes all values form the content of the object's feature

By default, calls the associated methods depending on the type of the feature.

Specified by:

clear in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a many-valued feature of the object.

See Also:

clearAttribute(PersistentEObject, EAttribute), clearReference(PersistentEObject, EReference)

toArray

public Object[] toArray(InternalEObject internalObject,
                        EStructuralFeature feature)

Description copied from interface: org.eclipse.emf.ecore.InternalEObject.EStore

Returns a new array of the values in the content of the object's feature.

Specified by:

toArray in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a many-valued feature of the object.

Returns:

a new array of the values in the content of the object's feature.

toArray

public <T> T[] toArray(InternalEObject internalObject,
                       EStructuralFeature feature,
                       T[] array)

Description copied from interface: org.eclipse.emf.ecore.InternalEObject.EStore

Returns an array of the values in the content of the object's feature. The given array will be used, unless it's too small, in which case a new array of the same type is allocated instead.

Specified by:

toArray in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a many-valued feature of the object.

array - the array to fill.

Returns:

an array of the values in the content of the object's feature.

hashCode

public int hashCode(InternalEObject internalObject,
                    EStructuralFeature feature)

Description copied from interface: org.eclipse.emf.ecore.InternalEObject.EStore

Returns the hash code of the content of the object's feature.

Specified by:

hashCode in interface InternalEObject.EStore

Parameters:

internalObject - the object in question.

feature - a many-valued feature of the object.

Returns:

the hash code of the content of the object's feature.

create

public EObject create(EClass eClass)

Description copied from interface: org.eclipse.emf.ecore.InternalEObject.EStore

Creates a new instance of the class.

Specified by:

create in interface InternalEObject.EStore

Parameters:

eClass - the class to instantiate.

Returns:

a new instance of the class.

getAttribute

protected Object getAttribute(PersistentEObject object,
                              EAttribute attribute,
                              int index)

Returns the value at the index in the content of the attribute of the object.

Parameters:

object - the object

attribute - an attribute of the object

index - an index within the content or PersistentStore.NO_INDEX

Returns:

the value

See Also:

get(InternalEObject, EStructuralFeature, int)

getReference

protected Object getReference(PersistentEObject object,
                              EReference reference,
                              int index)

Returns the value at the index in the content of the reference of the object.

Parameters:

object - the object

reference - a reference of the object

index - an index within the content or PersistentStore.NO_INDEX

Returns:

the value

See Also:

get(InternalEObject, EStructuralFeature, int)

setAttribute

protected Object setAttribute(PersistentEObject object,
                              EAttribute attribute,
                              int index,
                              Object value)

Sets the value at the index in the content of the attribute of the object.

Parameters:

object - the object

attribute - an attribute of the object

index - an index within the content or PersistentStore.NO_INDEX

value - the new value

Returns:

the previous value

See Also:

set(InternalEObject, EStructuralFeature, int, Object)

setReference

protected Object setReference(PersistentEObject object,
                              EReference reference,
                              int index,
                              PersistentEObject value)

Sets the value at the index in the content of the reference of the object.

Parameters:

object - the object

reference - a reference of the object

index - an index within the content or PersistentStore.NO_INDEX

value - the new value

Returns:

the previous value

See Also:

set(InternalEObject, EStructuralFeature, int, Object)

isSetAttribute

protected boolean isSetAttribute(PersistentEObject object,
                                 EAttribute attribute)

Returns whether the attribute of the object is considered set.

Parameters:

object - the object

attribute - an attribute of the object

Returns:

true if the attribute is considered set

See Also:

isSet(InternalEObject, EStructuralFeature)

isSetReference

protected boolean isSetReference(PersistentEObject object,
                                 EReference reference)

Returns whether the reference of the object is considered set.

Parameters:

object - the object

reference - a reference of the object

Returns:

true if the reference is considered set

See Also:

isSet(InternalEObject, EStructuralFeature)

unsetAttribute

protected void unsetAttribute(PersistentEObject object,
                              EAttribute attribute)

Unsets the attribute of the object.

Parameters:

object - the object

attribute - an attribute of the object

See Also:

unset(InternalEObject, EStructuralFeature)

unsetReference

protected void unsetReference(PersistentEObject object,
                              EReference reference)

Unsets the reference of the object.

Parameters:

object - the object

reference - a reference of the object

See Also:

unset(InternalEObject, EStructuralFeature)

containsAttribute

protected boolean containsAttribute(PersistentEObject object,
                                    EAttribute attribute,
                                    Object value)

Returns whether the content of the attribute of the object contains the given value.

Parameters:

object - the object

attribute - a many-valued attribute of the object

value - the value to look for

Returns:

true if the attribute contains the given value

See Also:

contains(InternalEObject, EStructuralFeature, Object)

containsReference

protected boolean containsReference(PersistentEObject object,
                                    EReference reference,
                                    PersistentEObject value)

Returns whether the content of the reference of the object contains the given value.

Parameters:

object - the object

reference - a many-valued reference of the object

value - the value to look for

Returns:

true if the reference contains the given value

See Also:

contains(InternalEObject, EStructuralFeature, Object)

indexOfAttribute

protected int indexOfAttribute(PersistentEObject object,
                               EAttribute attribute,
                               Object value)

Returns the first index of the given value in the content of the attribute of the object.

Parameters:

object - the object

attribute - a many-valued attribute of the object

value - the value to look for

Returns:

the first index of the given value, or PersistentStore.NO_INDEX if it is not found

See Also:

indexOf(InternalEObject, EStructuralFeature, Object)

indexOfReference

protected int indexOfReference(PersistentEObject object,
                               EReference reference,
                               PersistentEObject value)

Returns the first index of the given value in the content of the reference of the object.

Parameters:

object - the object

reference - a many-valued reference of the object

value - the value to look for

Returns:

the first index of the given value, or PersistentStore.NO_INDEX if it is not found

See Also:

indexOf(InternalEObject, EStructuralFeature, Object)

lastIndexOfAttribute

protected int lastIndexOfAttribute(PersistentEObject object,
                                   EAttribute attribute,
                                   Object value)

Returns the last index of the given value in the content of the attribute of the object.

Parameters:

object - the object

attribute - a many-valued attribute of the object

value - the value to look for

Returns:

the last index of the given value, or PersistentStore.NO_INDEX if it is not found

See Also:

lastIndexOf(InternalEObject, EStructuralFeature, Object)

lastIndexOfReference

protected int lastIndexOfReference(PersistentEObject object,
                                   EReference reference,
                                   PersistentEObject value)

Returns the last index of the given value in the content of the reference of the object.

Parameters:

object - the object

reference - a many-valued reference of the object

value - the value to look for

Returns:

the last index of the given value, or PersistentStore.NO_INDEX if it is not

See Also:

lastIndexOf(InternalEObject, EStructuralFeature, Object)

addAttribute

protected void addAttribute(PersistentEObject object,
                            EAttribute attribute,
                            int index,
                            Object value)

Adds the value at the index in the content of the attribute of the object.

Parameters:

object - the object

attribute - a many-valued attribute of the object

index - an index within the content

value - the value to add

See Also:

add(InternalEObject, EStructuralFeature, int, Object)

addReference

protected void addReference(PersistentEObject object,
                            EReference reference,
                            int index,
                            PersistentEObject value)

Adds the value at the index in the content of the reference of the object.

Parameters:

object - the object

reference - a many-valued reference of the object

index - an index within the content

value - the value to add

See Also:

add(InternalEObject, EStructuralFeature, int, Object)

removeAttribute

protected Object removeAttribute(PersistentEObject object,
                                 EAttribute attribute,
                                 int index)

Removes the value at the index in the content of the attribute of the object.

Parameters:

object - the object

attribute - a many-valued attribute of the object

index - the index within the content of the value to remove

Returns:

the removed value

See Also:

remove(InternalEObject, EStructuralFeature, int)

removeReference

protected Object removeReference(PersistentEObject object,
                                 EReference reference,
                                 int index)

Removes the value at the index in the content of the reference of the object.

Parameters:

object - the object

reference - a many-valued reference of the object

index - the index within the content of the value to remove

Returns:

the removed value

See Also:

remove(InternalEObject, EStructuralFeature, int)

clearAttribute

protected void clearAttribute(PersistentEObject object,
                              EAttribute attribute)

Removes all values form the content of the attribute of the object.

Parameters:

object - the object

attribute - a many-valued attribute of the object

See Also:

clear(InternalEObject, EStructuralFeature)

clearReference

protected void clearReference(PersistentEObject object,
                              EReference reference)

Removes all values form the content of the reference of the object.

Parameters:

object - the object

reference - a many-valued reference of the object

See Also:

clear(InternalEObject, EStructuralFeature)

parseProperty

protected Object parseProperty(EAttribute attribute,
                               Object property)

Creates an instance of the attribute.

Parameters:

attribute - the attribute to instantiate

property - the string value of the attribute

Returns:

an instance of the attribute

See Also:

EcoreUtil.createFromString(EDataType, String)

serializeToProperty

protected Object serializeToProperty(EAttribute attribute,
                                     Object value)

Converts an instance of the attribute to a string literal representation.

Parameters:

attribute - the attribute to instantiate

value - a value of the attribute

Returns:

the string literal representation of the value

See Also:

EcoreUtil.convertToString(EDataType, Object)