public ITupleReference getTupleFromMetadataEntity()

in asterix-graphix/src/main/java/org/apache/asterix/graphix/metadata/entitytupletranslators/GraphTupleTranslator.java [238:290]
40 lines of code
3 McCabe index (conditional complexity)

    public ITupleReference getTupleFromMetadataEntity(Graph graph) throws HyracksDataException {
        // Write our primary key (dataverse name, graph name).
        String dataverseCanonicalName = graph.getDataverseName().getCanonicalForm();
        tupleBuilder.reset();
        aString.setValue(dataverseCanonicalName);
        stringSerde.serialize(aString, tupleBuilder.getDataOutput());
        tupleBuilder.addFieldEndOffset();
        aString.setValue(graph.getGraphName());
        stringSerde.serialize(aString, tupleBuilder.getDataOutput());
        tupleBuilder.addFieldEndOffset();

        // Write the payload in the third field of the tuple.
        recordBuilder.reset(GRAPH_RECORD_DETAIL.getRecordType());

        // Write the dataverse name.
        fieldValue.reset();
        aString.setValue(dataverseCanonicalName);
        stringSerde.serialize(aString, fieldValue.getDataOutput());
        recordBuilder.addField(GRAPH_RECORD_DETAIL.getIndexForField(FIELD_NAME_DATAVERSE_NAME), fieldValue);

        // Write the graph name.
        fieldValue.reset();
        aString.setValue(graph.getGraphName());
        stringSerde.serialize(aString, fieldValue.getDataOutput());
        recordBuilder.addField(GRAPH_RECORD_DETAIL.getIndexForField(FIELD_NAME_GRAPH_NAME), fieldValue);

        // Write our vertex set.
        ArrayBackedValueStorage itemValue = new ArrayBackedValueStorage();
        listBuilder.reset((AOrderedListType) GRAPH_RECORD_DETAIL.getTypeForField(FIELD_NAME_VERTICES));
        for (Vertex vertex : graph.getGraphSchema().getVertices()) {
            writeVertexRecord(vertex, itemValue);
            listBuilder.addItem(itemValue);
        }
        fieldValue.reset();
        listBuilder.write(fieldValue.getDataOutput(), true);
        recordBuilder.addField(GRAPH_RECORD_DETAIL.getIndexForField(FIELD_NAME_VERTICES), fieldValue);

        // Write our edge set.
        listBuilder.reset((AOrderedListType) GRAPH_RECORD_DETAIL.getTypeForField(FIELD_NAME_EDGES));
        for (Edge edge : graph.getGraphSchema().getEdges()) {
            writeEdgeRecord(edge, itemValue);
            listBuilder.addItem(itemValue);
        }
        fieldValue.reset();
        listBuilder.write(fieldValue.getDataOutput(), true);
        recordBuilder.addField(GRAPH_RECORD_DETAIL.getIndexForField(FIELD_NAME_EDGES), fieldValue);

        // Finally, write our record.
        recordBuilder.write(tupleBuilder.getDataOutput(), true);
        tupleBuilder.addFieldEndOffset();
        tuple.reset(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray());
        return tuple;
    }