Package org.qi4j.api.entity

Examples of org.qi4j.api.entity.EntityReference

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        for( Relationship rel : underlyingNode.getRelationships( RelTypes.NAMED_ASSOCIATION, Direction.OUTGOING ) )
        {
            if( getRelationshipName( rel ).equals( name ) )
            {
                String id = (String) rel.getEndNode().getProperty( NeoEntityState.ENTITY_ID );
                return new EntityReference( id );
            }
        }
        return null;
    }
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            if( jsonValue == null )
            {
                return null;
            }

            EntityReference value = jsonValue == JSONObject.NULL
                                    ? null
                                    : EntityReference.parseEntityReference( (String) jsonValue );
            return value;
        }
        catch( JSONException e )
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            }

            JSONWriter associations = properties.endObject().key( JSONKeys.ASSOCIATIONS ).object();
            for( Map.Entry<QualifiedName, EntityReference> stateNameEntityReferenceEntry : state.associations().entrySet() )
            {
                EntityReference value = stateNameEntityReferenceEntry.getValue();
                associations.key( stateNameEntityReferenceEntry.getKey().name() ).
                    value( value != null ? value.identity() : null );
            }

            JSONWriter manyAssociations = associations.endObject().key( JSONKeys.MANY_ASSOCIATIONS ).object();
            for( Map.Entry<QualifiedName, List<EntityReference>> stateNameListEntry : state.manyAssociations().entrySet() )
            {
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            for( AssociationDescriptor associationType : entityDescriptor.state().associations() )
            {
                try
                {
                    Object jsonValue = assocs.get( associationType.qualifiedName().name() );
                    EntityReference value = jsonValue == JSONObject.NULL
                                            ? null
                                            : EntityReference.parseEntityReference( (String) jsonValue );
                    associations.put( associationType.qualifiedName(), value );
                }
                catch( JSONException e )
                {
                    // Association not found, default it to null
                    associations.put( associationType.qualifiedName(), null );
                    status = EntityStatus.UPDATED;
                }
            }

            JSONObject manyAssocs = jsonObject.getJSONObject( JSONKeys.MANY_ASSOCIATIONS );
            Map<QualifiedName, List<EntityReference>> manyAssociations = new HashMap<>();
            for( AssociationDescriptor manyAssociationType : entityDescriptor.state().manyAssociations() )
            {
                List<EntityReference> references = new ArrayList<>();
                try
                {
                    JSONArray jsonValues = manyAssocs.getJSONArray( manyAssociationType.qualifiedName().name() );
                    for( int i = 0; i < jsonValues.length(); i++ )
                    {
                        Object jsonValue = jsonValues.getString( i );
                        EntityReference value = jsonValue == JSONObject.NULL
                                                ? null
                                                : EntityReference.parseEntityReference( (String) jsonValue );
                        references.add( value );
                    }
                    manyAssociations.put( manyAssociationType.qualifiedName(), references );
                }
                catch( JSONException e )
                {
                    // ManyAssociation not found, default to empty one
                    manyAssociations.put( manyAssociationType.qualifiedName(), references );
                }
            }

            JSONObject namedAssocs = jsonObject.getJSONObject( JSONKeys.NAMED_ASSOCIATIONS );
            Map<QualifiedName, Map<String, EntityReference>> namedAssociations = new HashMap<>();
            for( AssociationDescriptor namedAssociationType : entityDescriptor.state().namedAssociations() )
            {
                Map<String, EntityReference> references = new LinkedHashMap<>();
                try
                {
                    JSONObject jsonValues = namedAssocs.getJSONObject( namedAssociationType.qualifiedName().name() );
                    JSONArray names = jsonValues.names();
                    if( names != null )
                    {
                        for( int idx = 0; idx < names.length(); idx++ )
                        {
                            String name = names.getString( idx );
                            Object value = jsonValues.get( name );
                            EntityReference ref = value == JSONObject.NULL
                                                  ? null
                                                  : EntityReference.parseEntityReference( (String) value );
                            references.put( name, ref );
                        }
                    }
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    @Override
    public EntityReference get( int i )
    {
        try
        {
            return new EntityReference( references.getString( i ) );
        }
        catch( JSONException e )
        {
            throw new EntityStoreException( e );
        }
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            @Override
            public EntityReference next()
            {
                try
                {
                    EntityReference ref = new EntityReference( references.getString( idx ) );
                    idx++;
                    return ref;
                }
                catch( JSONException e )
                {
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    @Override
    public EntityReference get( String name )
    {
        try
        {
            return new EntityReference( references.getString( name ) );
        }
        catch( JSONException ex )
        {
            throw new EntityStoreException( ex );
        }
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    public void serialize( final EntityState entityState,
                           final boolean includeNonQueryable,
                           final Graph graph )
    {
        ValueFactory values = graph.getValueFactory();
        EntityReference identity = entityState.identity();
        URI entityUri = createEntityURI( values, identity );

        graph.add( entityUri,
                   Rdfs.TYPE,
                   values.createURI( Classes.toURI( first( entityState.entityDescriptor().types() ) ) ) );
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            if( !( includeNonQueryable || associationType.queryable() ) )
            {
                continue; // Skip non-queryable
            }

            EntityReference associatedId = entityState.associationValueOf( associationType.qualifiedName() );
            if( associatedId != null )
            {
                URI assocURI = values.createURI( associationType.qualifiedName().toURI() );
                URI assocEntityURI = values.createURI( associatedId.toURI() );
                graph.add( entityUri, assocURI, assocEntityURI );
            }
        }
    }
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                            try
                            {
                                JSONTokener tokener = new JSONTokener( item );
                                JSONObject entity = (JSONObject) tokener.nextValue();
                                String id = entity.getString( JSONKeys.IDENTITY );
                                store.put( new EntityReference( id ), item );
                            }
                            catch( JSONException e )
                            {
                                throw new IOException( e );
                            }
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Related Classes of org.qi4j.api.entity.EntityReference

  • org.qi4j.api.json.JSONDeserializer
  • org.qi4j.entitystore.gae.GaeEntityState
  • org.qi4j.entitystore.gae.GaeEntityState$GaeManyAssociationState
  • org.qi4j.entitystore.gae.GaeEntityState$GaeNamedAssociationState
  • org.qi4j.entitystore.memory.MemoryMapEntityStoreMixin
  • org.qi4j.entitystore.neo4j.NeoEntityState
  • org.qi4j.entitystore.neo4j.NeoManyAssociationState
  • org.qi4j.entitystore.neo4j.NeoNamedAssociationState
  • org.qi4j.entitystore.prefs.PreferencesEntityStoreMixin
  • org.qi4j.entitystore.sql.SQLEntityStoreMixin
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