Examples with DefaultCellMigrator eu.esdihumboldt.hale.common.align.migrate.impl.DefaultCellMigrator used on opensource projects

Example 1 with DefaultCellMigrator

use of eu.esdihumboldt.hale.common.align.migrate.impl.DefaultCellMigrator in project hale by halestudio.

the class JaxbToAlignment method createUnmigratedCell.

private static UnmigratedCell createUnmigratedCell(CellType cell, LoadAlignmentContext context, IOReporter reporter, EntityResolver resolver, ServiceProvider serviceProvider) {
    // The sourceCell represents the cell as it was imported from the
    // XML alignment. The conversion to the resolved cell must be performed
    // later by migrating the UnmigratedCell returned from this function.
    final DefaultCell sourceCell = new DefaultCell();
    sourceCell.setTransformationIdentifier(cell.getRelation());
    final FunctionDefinition<?> cellFunction = FunctionUtil.getFunction(sourceCell.getTransformationIdentifier(), serviceProvider);
    final CellMigrator migrator;
    if (cellFunction != null) {
        migrator = cellFunction.getCustomMigrator().orElse(new DefaultCellMigrator());
    } else {
        migrator = new DefaultCellMigrator();
    }
    Map<EntityDefinition, EntityDefinition> mappings = new HashMap<>();
    try {
        // The returned Entity pair consists of
        // (1st) a dummy entity representing the entity read from JAXB
        // (2nd) the resolved entity
        ListMultimap<String, Pair<Entity, Entity>> convertedSourceEntities = convertEntities(cell.getSource(), context.getSourceTypes(), SchemaSpaceID.SOURCE, resolver);
        if (convertedSourceEntities == null) {
            sourceCell.setSource(null);
        } else {
            sourceCell.setSource(Multimaps.transformValues(convertedSourceEntities, pair -> pair.getFirst()));
            for (Pair<Entity, Entity> pair : convertedSourceEntities.values()) {
                mappings.put(pair.getFirst().getDefinition(), pair.getSecond().getDefinition());
            }
        }
        ListMultimap<String, Pair<Entity, Entity>> convertedTargetEntities = convertEntities(cell.getTarget(), context.getTargetTypes(), SchemaSpaceID.TARGET, resolver);
        if (convertedTargetEntities == null) {
            sourceCell.setTarget(null);
        } else {
            sourceCell.setTarget(Multimaps.transformValues(convertedTargetEntities, pair -> pair.getFirst()));
            for (Pair<Entity, Entity> pair : convertedTargetEntities.values()) {
                mappings.put(pair.getFirst().getDefinition(), pair.getSecond().getDefinition());
            }
        }
        if (sourceCell.getTarget() == null || sourceCell.getTarget().isEmpty()) {
            // target is mandatory for cells!
            throw new IllegalStateException("Cannot create cell without target");
        }
    } catch (Exception e) {
        if (reporter != null) {
            reporter.error(new IOMessageImpl("Could not create cell", e));
        }
        return null;
    }
    if (!cell.getAbstractParameter().isEmpty()) {
        ListMultimap<String, ParameterValue> parameters = ArrayListMultimap.create();
        for (JAXBElement<? extends AbstractParameterType> param : cell.getAbstractParameter()) {
            AbstractParameterType apt = param.getValue();
            if (apt instanceof ParameterType) {
                // treat string parameters or null parameters
                ParameterType pt = (ParameterType) apt;
                ParameterValue pv = new ParameterValue(pt.getType(), Value.of(pt.getValue()));
                parameters.put(pt.getName(), pv);
            } else if (apt instanceof ComplexParameterType) {
                // complex parameters
                ComplexParameterType cpt = (ComplexParameterType) apt;
                parameters.put(cpt.getName(), new ParameterValue(new ElementValue(cpt.getAny(), context)));
            } else
                throw new IllegalStateException("Illegal parameter type");
        }
        sourceCell.setTransformationParameters(parameters);
    }
    // annotations & documentation
    for (Object element : cell.getDocumentationOrAnnotation()) {
        if (element instanceof AnnotationType) {
            // add annotation to the cell
            AnnotationType annot = (AnnotationType) element;
            // but first load it from the DOM
            AnnotationDescriptor<?> desc = AnnotationExtension.getInstance().get(annot.getType());
            if (desc != null) {
                try {
                    Object value = desc.fromDOM(annot.getAny(), null);
                    sourceCell.addAnnotation(annot.getType(), value);
                } catch (Exception e) {
                    if (reporter != null) {
                        reporter.error(new IOMessageImpl("Error loading cell annotation", e));
                    } else
                        throw new IllegalStateException("Error loading cell annotation", e);
                }
            } else
                reporter.error(new IOMessageImpl("Cell annotation of type {0} unknown, cannot load the annotation object", null, -1, -1, annot.getType()));
        } else if (element instanceof DocumentationType) {
            // add documentation to the cell
            DocumentationType doc = (DocumentationType) element;
            sourceCell.getDocumentation().put(doc.getType(), doc.getValue());
        }
    }
    sourceCell.setId(cell.getId());
    // a default value is assured for priority
    String priorityStr = cell.getPriority().value();
    Priority priority = Priority.fromValue(priorityStr);
    if (priority != null) {
        sourceCell.setPriority(priority);
    } else {
        // used.
        throw new IllegalArgumentException();
    }
    return new UnmigratedCell(sourceCell, migrator, mappings);
}