Package org.qi4j.spi.entity

Examples of org.qi4j.spi.entity.EntityState

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                                    sender.sendTo( new Receiver<Reader, ReceiverThrowableType>()
                                    {
                                        public void receive( Reader item )
                                            throws ReceiverThrowableType
                                        {
                                            final EntityState entity = readEntityState( uow, item );
                                            if( entity.status() == EntityStatus.UPDATED )
                                            {
                                                migrated.add( entity );

                                                // Synch back 100 at a time
                                                if( migrated.size() > 100 )
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        String identity;

        // Figure out whether to use given or generated identity
        identity = (String) entityState.propertyValueOf( IDENTITY_STATE_NAME );
        EntityState newEntityState = model.model().newEntityState( store,
                                                                   EntityReference.parseEntityReference( identity ) );

        prototypeInstance.invokeCreate();

        // Check constraints
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        throws ConstraintViolationException, EntityStoreException
    {
        try
        {
            // New EntityState
            EntityState entityState = store.newEntityState( identity, this );

            // Set identity property
            PropertyDescriptor persistentPropertyDescriptor = state().propertyModelFor( IDENTITY_METHOD );
            entityState.setPropertyValue( persistentPropertyDescriptor.qualifiedName(), identity.identity() );

            return entityState;
        }
        catch( EntityAlreadyExistsException e )
        {
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        EntityInstance entityInstance = instanceCache.get( identity );
        if( entityInstance == null )
        {   // Not yet in cache

            // Check if this is a root UoW, or if no parent UoW knows about this entity
            EntityState entityState = null;
            EntityModel model = null;
            ModuleInstance module = null;
            // Figure out what EntityStore to use
            for( ModelModule<EntityModel> potentialModel : potentialModels )
            {
                EntityStore store = potentialModel.module().entityStore();
                EntityStoreUnitOfWork storeUow = getEntityStoreUnitOfWork( store, potentialModel.module() );
                try
                {
                    entityState = storeUow.entityStateOf( identity );
                }
                catch( EntityNotFoundException e )
                {
                    continue;
                }

                // Get the selected model
                model = (EntityModel) entityState.entityDescriptor();
                module = potentialModel.module();
            }

            // Check if model was found
            if( model == null )
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                insertToEntityTypeTablePS.getValue().executeBatch();
            }

            for( Map.Entry<Long, EntityState> entry : statesByPK.entrySet() )
            {
                EntityState eState = entry.getValue();
                Long pk = entry.getKey();
                this.insertAssoAndManyAssoQNames( qNameInsertPSs, insertToPropertyQNamesPS,
                                                  eState,
                                                  qNamePKs.get( pk ), pk );
            }
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                        try
                        {
                            String[] identities = root.childrenNames();
                            for( String identity : identities )
                            {
                                EntityState entityState = uow.entityStateOf( EntityReference.parseEntityReference( identity ) );
                                receiver.receive( entityState );
                            }
                        }
                        catch( BackingStoreException e )
                        {
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    }

    @Override
    public synchronized EntityState entityStateOf( EntityStoreUnitOfWork unitOfWork, EntityReference identity )
    {
        EntityState state = fetchCachedState( identity, (DefaultEntityStoreUnitOfWork) unitOfWork );
        if( state != null )
        {
            return state;
        }
        // Get state
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                                    {
                                        @Override
                                        public void receive( Reader item )
                                            throws ReceiverThrowableType
                                        {
                                            final EntityState entity = readEntityState( uow, item );
                                            if( entity.status() == EntityStatus.UPDATED )
                                            {
                                                migrated.add( entity );

                                                // Synch back 100 at a time
                                                if( migrated.size() > 100 )
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                                {
                                    value = new JSONObject( toJSON( newStates.get( associated.identity() ), newStates, uow ) );
                                }
                                else
                                {
                                    EntityState assocState = uow.entityStateOf( EntityReference.parseEntityReference( associated.identity() ) );
                                    value = new JSONObject( toJSON( assocState, newStates, uow ) );
                                }
                            }
                            else
                            {
                                value = new JSONObject( Collections.singletonMap( "identity", associated.identity() ) );
                            }
                        }
                        json.put( key, value );
                    }
                }

                // ManyAssociations
                for( AssociationDescriptor manyAssocDesc : entityType.state().manyAssociations() )
                {
                    if( manyAssocDesc.queryable() )
                    {
                        String key = manyAssocDesc.qualifiedName().name();
                        JSONArray array = new JSONArray();
                        ManyAssociationState associateds = state.manyAssociationValueOf( manyAssocDesc.qualifiedName() );
                        for( EntityReference associated : associateds )
                        {
                            if( manyAssocDesc.isAggregated() || support.indexNonAggregatedAssociations() )
                            {
                                if( newStates.containsKey( associated.identity() ) )
                                {
                                    array.put( new JSONObject( toJSON( newStates.get( associated.identity() ), newStates, uow ) ) );
                                }
                                else
                                {
                                    EntityState assocState = uow.entityStateOf( EntityReference.parseEntityReference( associated.identity() ) );
                                    array.put( new JSONObject( toJSON( assocState, newStates, uow ) ) );
                                }
                            }
                            else
                            {
                                array.put( new JSONObject( Collections.singletonMap( "identity", associated.identity() ) ) );
                            }
                        }
                        json.put( key, array );
                    }
                }

                // NamedAssociations
                for( AssociationDescriptor namedAssocDesc : entityType.state().namedAssociations() )
                {
                    if( namedAssocDesc.queryable() )
                    {
                        String key = namedAssocDesc.qualifiedName().name();
                        JSONArray array = new JSONArray();
                        NamedAssociationState associateds = state.namedAssociationValueOf( namedAssocDesc.qualifiedName() );
                        for( String name : associateds )
                        {
                            if( namedAssocDesc.isAggregated() || support.indexNonAggregatedAssociations() )
                            {
                                String identity = associateds.get( name ).identity();
                                if( newStates.containsKey( identity ) )
                                {
                                    JSONObject obj = new JSONObject( toJSON( newStates.get( identity ), newStates, uow ) );
                                    obj.put( "_named", name );
                                    array.put( obj );
                                }
                                else
                                {
                                    EntityState assocState = uow.entityStateOf( EntityReference.parseEntityReference( identity ) );
                                    JSONObject obj = new JSONObject( toJSON( assocState, newStates, uow ) );
                                    obj.put( "_named", name );
                                    array.put( obj );
                                }
                            }
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               @Override
               public <ReceiverThrowableType extends Throwable> void sendTo(Receiver<? super EntityState, ReceiverThrowableType> receiver) throws ReceiverThrowableType, EntityStoreException
               {
                  for (Entity entity : iterable)
                  {
                     EntityState entityState = new GaeEntityState( euow, valueSerialization, entity, module );
                     receiver.receive(entityState);
                  }
               }
            });
         }
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  • org.qi4j.library.rdf.entity.EntitySerializerTest
  • org.qi4j.library.rest.admin.EntityResource
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  • org.qi4j.runtime.entity.EntityModel
  • org.qi4j.runtime.structure.ModuleUnitOfWork
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