use of eu.esdihumboldt.hale.common.schema.model.TypeDefinition in project hale by halestudio.
the class AbstractPropertyTransformationHandler method handleXmlElementAsGeometryType.
/**
* This method is invoked when the target property is a GML geometry type.
*
* <p>
* The target attribute is set to <code>gml:AbstractGeometry</code> and the
* concrete geometry type is specified in a
* <code><targetAttributeNode></code> tag.
* </p>
*
* @param featureType the target feature type
* @param mappingName the target feature type's mapping name (may be
* <code>null</code>)
* @param context the app-schema mapping context
*/
protected void handleXmlElementAsGeometryType(TypeDefinition featureType, String mappingName, AppSchemaMappingContext context) {
PropertyEntityDefinition geometry = targetProperty.getDefinition();
createGeometryAttributeMapping(featureType, mappingName, geometry, context);
// GeometryTypes require special handling
TypeDefinition geometryType = geometry.getDefinition().getPropertyType();
QName geomTypeName = geometryType.getName();
Namespace geomNS = context.getOrCreateNamespace(geomTypeName.getNamespaceURI(), geomTypeName.getPrefix());
attributeMapping.setTargetAttributeNode(geomNS.getPrefix() + ":" + geomTypeName.getLocalPart());
// set target attribute to parent (should be gml:AbstractGeometry)
// TODO: this is really ugly, but I don't see a better way to do it
// since HALE renames
// {http://www.opengis.net/gml/3.2}AbstractGeometry element
// to
// {http://www.opengis.net/gml/3.2/AbstractGeometry}choice
EntityDefinition parentEntityDef = AlignmentUtil.getParent(geometry);
Definition<?> parentDef = parentEntityDef.getDefinition();
String parentQName = geomNS.getPrefix() + ":" + parentDef.getDisplayName();
List<ChildContext> targetPropertyPath = parentEntityDef.getPropertyPath();
attributeMapping.setTargetAttribute(mapping.buildAttributeXPath(featureType, targetPropertyPath) + "/" + parentQName);
}
use of eu.esdihumboldt.hale.common.schema.model.TypeDefinition in project hale by halestudio.
the class AbstractPropertyTransformationHandler method handlePropertyTransformation.
/**
* @see eu.esdihumboldt.hale.io.appschema.writer.internal.PropertyTransformationHandler#handlePropertyTransformation(eu.esdihumboldt.hale.common.align.model.Cell,
* eu.esdihumboldt.hale.common.align.model.Cell,
* eu.esdihumboldt.hale.io.appschema.writer.internal.mapping.AppSchemaMappingContext)
*/
@Override
public AttributeMappingType handlePropertyTransformation(Cell typeCell, Cell propertyCell, AppSchemaMappingContext context) {
this.mapping = context.getMappingWrapper();
this.typeCell = typeCell;
this.propertyCell = propertyCell;
// TODO: does this hold for any transformation function?
this.targetProperty = getTargetProperty(propertyCell);
PropertyEntityDefinition targetPropertyEntityDef = targetProperty.getDefinition();
PropertyDefinition targetPropertyDef = targetPropertyEntityDef.getDefinition();
TypeDefinition featureType = null;
String mappingName = null;
if (AppSchemaMappingUtils.isJoin(typeCell)) {
if (context.getFeatureChaining() != null) {
ChainConfiguration chainConf = findChainConfiguration(context);
if (chainConf != null) {
featureType = chainConf.getNestedTypeTargetType();
mappingName = chainConf.getMappingName();
}
} else {
// this is just a best effort attempt to determine the target
// feature type, may result in incorrect mappings
featureType = findOwningType(targetPropertyEntityDef, context.getRelevantTargetTypes());
}
}
if (featureType == null) {
featureType = getTargetType(typeCell).getDefinition().getType();
}
// chaining configuration other than the current one
if (context.getFeatureChaining() != null) {
for (String joinId : context.getFeatureChaining().getJoins().keySet()) {
List<ChainConfiguration> chains = context.getFeatureChaining().getChains(joinId);
ChainConfiguration chainConf = findLongestNestedPath(targetPropertyEntityDef.getPropertyPath(), chains);
if (chainConf != null && !chainConf.getNestedTypeTargetType().equals(featureType)) {
// don't translate mapping, will do it (or have done it)
// elsewhere!
featureType = null;
break;
}
}
}
if (featureType != null) {
// fetch FeatureTypeMapping from mapping configuration
this.featureTypeMapping = context.getOrCreateFeatureTypeMapping(featureType, mappingName);
// fetch AttributeMappingType from mapping
if (isXmlAttribute(targetPropertyDef)) {
// gml:id attribute requires special handling, i.e. an
// <idExpression> tag must be added to the attribute mapping for
// target feature types and geometry types
TypeDefinition parentType = targetPropertyDef.getParentType();
if (isGmlId(targetPropertyDef)) {
// TODO: handle gml:id for geometry types
if (featureType.equals(parentType)) {
handleAsFeatureGmlId(featureType, mappingName, context);
} else if (isGeometryType(parentType)) {
handleAsGeometryGmlId(featureType, mappingName, context);
} else {
handleAsXmlAttribute(featureType, mappingName, context);
}
} else {
handleAsXmlAttribute(featureType, mappingName, context);
}
} else {
handleAsXmlElement(featureType, mappingName, context);
}
}
return attributeMapping;
}
use of eu.esdihumboldt.hale.common.schema.model.TypeDefinition in project hale by halestudio.
the class AbstractPropertyTransformationHandler method handleAsXmlElement.
/**
* This method is invoked when the target property is a regular XML element.
*
* @param featureType the target feature type
* @param mappingName the target feature type's mapping name (may be
* <code>null</code>)
* @param context the app-schema mapping context
*/
protected void handleAsXmlElement(TypeDefinition featureType, String mappingName, AppSchemaMappingContext context) {
PropertyEntityDefinition targetPropertyEntityDef = targetProperty.getDefinition();
PropertyDefinition targetPropertyDef = targetPropertyEntityDef.getDefinition();
TypeDefinition targetPropertyType = targetPropertyDef.getPropertyType();
if (isGeometryType(targetPropertyType)) {
handleXmlElementAsGeometryType(featureType, mappingName, context);
} else {
attributeMapping = context.getOrCreateAttributeMapping(featureType, mappingName, targetPropertyEntityDef.getPropertyPath());
List<ChildContext> targetPropertyPath = targetPropertyEntityDef.getPropertyPath();
// set target attribute
attributeMapping.setTargetAttribute(mapping.buildAttributeXPath(featureType, targetPropertyPath));
}
// set source expression
AttributeExpressionMappingType sourceExpression = new AttributeExpressionMappingType();
// TODO: is this general enough?
sourceExpression.setOCQL(getSourceExpressionAsCQL());
attributeMapping.setSourceExpression(sourceExpression);
if (AppSchemaMappingUtils.isMultiple(targetPropertyDef)) {
attributeMapping.setIsMultiple(true);
}
// (i.e. null if source expression is NOT null, and viceversa)
if (isNillable(targetPropertyDef)) {
addOrReplaceXsiNilAttribute(attributeMapping.getSourceExpression().getOCQL(), false, context);
}
// TODO: isList?
// TODO: targetAttributeNode?
// TODO: encodeIfEmpty?
}
use of eu.esdihumboldt.hale.common.schema.model.TypeDefinition in project hale by halestudio.
the class FunctionExecutor method processValue.
/**
* Processes the given value. Does not handle {@link MultiValue}!
*
* @param cellLog the transformation log
* @param function the property function
* @param value the value to process
* @param node the target node
* @return the processed value
*/
private Object processValue(TransformationLog cellLog, PropertyTransformation<?> function, Object value, TargetNode node) {
if (function.allowAutomatedResultConversion()) {
if (!(value instanceof Group)) {
// convert value for target
try {
value = convert(value, toPropertyEntityDefinition(node.getEntityDefinition()));
} catch (Throwable e) {
// ignore, but create error
cellLog.error(cellLog.createMessage("Conversion according to target property failed, using value as is.", e));
}
} else {
// TODO any conversion necessary/possible
}
} else {
// unwrap value
if (value instanceof Value) {
value = ((Value) value).getValue();
}
}
/*
* If the value is no group, but it should be one, create an instance
* wrapping the value
*/
TypeDefinition propertyType = toPropertyEntityDefinition(node.getEntityDefinition()).getDefinition().getPropertyType();
if (!(value instanceof Group) && !propertyType.getChildren().isEmpty()) {
MutableInstance instance = new DefaultInstance(propertyType, null);
instance.setValue(value);
value = instance;
}
return value;
}
use of eu.esdihumboldt.hale.common.schema.model.TypeDefinition in project hale by halestudio.
the class CityGMLPropagate method generateMapping.
private void generateMapping() {
System.out.println("Indexing example cells...");
// index all cells based on the target property name
SetMultimap<String, Cell> bgisExamples = HashMultimap.create();
SetMultimap<QName, Cell> cityGMLExamples = HashMultimap.create();
for (Cell cell : examples.getCells()) {
if (cell.getTarget().size() == 1) {
// only supports cells with one target
EntityDefinition entityDef = CellUtil.getFirstEntity(cell.getTarget()).getDefinition();
// XXX check source?!
if (entityDef.getDefinition() instanceof PropertyDefinition) {
QName name = entityDef.getDefinition().getName();
if (ADE_NS.equals(name.getNamespaceURI())) {
bgisExamples.put(name.getLocalPart(), cell);
} else if (name.getNamespaceURI().startsWith(CITYGML_NAMESPACE_CORE)) {
// XXX only support level 1 properties?
cityGMLExamples.put(name, cell);
} else
System.out.println("WARNING: ignoring cell with target property neither from CityGML nor from BGIS ADE");
} else
System.out.println("WARNING: ignoring type cell");
} else
System.out.println("WARNING: ignoring cell with multiple or no targets");
}
// collect all ADE feature types
List<TypeDefinition> featureTypes = BGISAppUtil.getADEFeatureTypes(targetSchema);
// collect ADE display names
Set<String> adeTypeNames = new HashSet<String>();
for (TypeDefinition type : featureTypes) {
adeTypeNames.add(type.getDisplayName());
}
// collect possibly relevant target CityGML feature types
for (TypeDefinition type : targetSchema.getTypes()) {
if (type.getName().getNamespaceURI().startsWith(CITYGML_NAMESPACE_CORE) && BGISAppUtil.isFeatureType(type)) {
if (!adeTypeNames.contains(type.getDisplayName())) {
/*
* But ensure to only add those that do not share the
* display name with an ADE type, as in the feature map the
* type identification is only done on based on the display
* name, and ADE types take precedent.
*/
featureTypes.add(type);
}
}
}
// visit ADE properties and create cells
System.out.println("Generating mapping from example cells for");
String cellNote = MessageFormat.format("Generated through propagation of example cells on CityGML and BGIS ADE feature types.\n" + "{0,date,medium}", new Date());
CityGMLPropagateVisitor visitor = new CityGMLPropagateVisitor(cityGMLSource, bgisExamples, cityGMLExamples, config, cellNote);
for (TypeDefinition type : featureTypes) {
System.out.println(type.getDisplayName() + "...");
visitor.accept(new TypeEntityDefinition(type, SchemaSpaceID.TARGET, null));
}
if (visitor.getCells().isEmpty()) {
System.out.println("WARNING: no cells were created");
} else {
System.out.println(visitor.getCells().size() + " cells were created.");
}
// create alignment
MutableAlignment align = new DefaultAlignment();
for (MutableCell cell : visitor.getCells()) {
align.addCell(cell);
}
this.alignment = align;
}
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