protected DocumentType recomputeDocumentType(
String name, DocumentTypeDescriptor dtd, DocumentType parent) {
// find the facets and schemas names
Set<String> facetNames = new HashSet<>();
Set<String> schemaNames = SchemaDescriptor.getSchemaNames(dtd.schemas);
facetNames.addAll(Arrays.asList(dtd.facets));
// inherited
if (parent != null) {
facetNames.addAll(parent.getFacets());
schemaNames.addAll(Arrays.asList(parent.getSchemaNames()));
}
// add schemas names from facets
for (String facetName : facetNames) {
CompositeType ct = facets.get(facetName);
if (ct == null) {
log.warn("Undeclared facet: " + facetName + " used in document type: " + name);
// register it with no schemas
ct = registerFacet(facetName, Collections.<String>emptySet());
}
schemaNames.addAll(Arrays.asList(ct.getSchemaNames()));
}
// find the schemas
List<Schema> docTypeSchemas = new ArrayList<>();
for (String schemaName : schemaNames) {
Schema schema = schemas.get(schemaName);
if (schema == null) {
log.error("Document type: " + name + " uses unknown schema: " + schemaName);
continue;
}
docTypeSchemas.add(schema);
}
// create doctype
PrefetchInfo prefetch = dtd.prefetch == null ? prefetchInfo : new PrefetchInfo(dtd.prefetch);
DocumentTypeImpl docType =
new DocumentTypeImpl(name, parent, docTypeSchemas, facetNames, prefetch);
registerDocumentType(docType);
return docType;
}
/** Sets a value (may be complex/list) into the document at the given xpath. */
protected void setValueObject(T state, String xpath, Object value) throws PropertyException {
xpath = canonicalXPath(xpath);
String[] segments = xpath.split("/");
ComplexType parentType = getType();
for (int i = 0; i < segments.length; i++) {
String segment = segments[i];
Field field = parentType.getField(segment);
if (field == null && i == 0) {
// check facets
SchemaManager schemaManager = Framework.getService(SchemaManager.class);
for (String facet : getFacets()) {
CompositeType facetType = schemaManager.getFacet(facet);
field = facetType.getField(segment);
if (field != null) {
break;
}
}
}
if (field == null && i == 0 && getProxySchemas() != null) {
// check proxy schemas
for (Schema schema : getProxySchemas()) {
field = schema.getField(segment);
if (field != null) {
break;
}
}
}
if (field == null) {
throw new PropertyNotFoundException(xpath, i == 0 ? null : "Unknown segment: " + segment);
}
String name = field.getName().getPrefixedName(); // normalize from segment
Type type = field.getType();
// check if we have a complex list index in the next position
if (i < segments.length - 1 && StringUtils.isNumeric(segments[i + 1])) {
int index = Integer.parseInt(segments[i + 1]);
i++;
if (!type.isListType() || ((ListType) type).getFieldType().isSimpleType()) {
throw new PropertyNotFoundException(xpath, "Cannot use index after segment: " + segment);
}
List<T> list = getChildAsList(state, name);
if (index >= list.size()) {
throw new PropertyNotFoundException(xpath, "Index out of bounds: " + index);
}
// find complex list state
state = list.get(index);
field = ((ListType) type).getField();
if (i == segments.length - 1) {
// last segment
setValueComplex(state, field, value);
} else {
// not last segment
parentType = (ComplexType) field.getType();
}
continue;
}
if (i == segments.length - 1) {
// last segment
setValueField(state, field, value);
} else {
// not last segment
if (type.isSimpleType()) {
// scalar
throw new PropertyNotFoundException(xpath, "Segment must be last: " + segment);
} else if (type.isComplexType()) {
// complex property
state = getChildForWrite(state, name, type);
parentType = (ComplexType) type;
} else {
// list
ListType listType = (ListType) type;
if (listType.isArray()) {
// array of scalars
throw new PropertyNotFoundException(xpath, "Segment must be last: " + segment);
} else {
// complex list but next segment was not numeric
throw new PropertyNotFoundException(
xpath, "Missing list index after segment: " + segment);
}
}
}
}
}
/** Gets a value (may be complex/list) from the document at the given xpath. */
protected Object getValueObject(T state, String xpath) throws PropertyException {
xpath = canonicalXPath(xpath);
String[] segments = xpath.split("/");
/*
* During this loop state may become null if we read an uninitialized complex property (DBS), in that case the
* code must treat it as reading uninitialized values for its children.
*/
ComplexType parentType = getType();
for (int i = 0; i < segments.length; i++) {
String segment = segments[i];
Field field = parentType.getField(segment);
if (field == null && i == 0) {
// check facets
SchemaManager schemaManager = Framework.getService(SchemaManager.class);
for (String facet : getFacets()) {
CompositeType facetType = schemaManager.getFacet(facet);
field = facetType.getField(segment);
if (field != null) {
break;
}
}
}
if (field == null && i == 0 && getProxySchemas() != null) {
// check proxy schemas
for (Schema schema : getProxySchemas()) {
field = schema.getField(segment);
if (field != null) {
break;
}
}
}
if (field == null) {
throw new PropertyNotFoundException(xpath, i == 0 ? null : "Unknown segment: " + segment);
}
String name = field.getName().getPrefixedName(); // normalize from segment
Type type = field.getType();
// check if we have a complex list index in the next position
if (i < segments.length - 1 && StringUtils.isNumeric(segments[i + 1])) {
int index = Integer.parseInt(segments[i + 1]);
i++;
if (!type.isListType() || ((ListType) type).getFieldType().isSimpleType()) {
throw new PropertyNotFoundException(xpath, "Cannot use index after segment: " + segment);
}
List<T> list = state == null ? Collections.emptyList() : getChildAsList(state, name);
if (index >= list.size()) {
throw new PropertyNotFoundException(xpath, "Index out of bounds: " + index);
}
// find complex list state
state = list.get(index);
parentType = (ComplexType) ((ListType) type).getFieldType();
if (i == segments.length - 1) {
// last segment
return getValueComplex(state, parentType);
} else {
// not last segment
continue;
}
}
if (i == segments.length - 1) {
// last segment
return state == null ? null : getValueField(state, field);
} else {
// not last segment
if (type.isSimpleType()) {
// scalar
throw new PropertyNotFoundException(xpath, "Segment must be last: " + segment);
} else if (type.isComplexType()) {
// complex property
state = state == null ? null : getChild(state, name, type);
// here state can be null (DBS), continue loop with it, meaning uninitialized for read
parentType = (ComplexType) type;
} else {
// list
ListType listType = (ListType) type;
if (listType.isArray()) {
// array of scalars
throw new PropertyNotFoundException(xpath, "Segment must be last: " + segment);
} else {
// complex list but next segment was not numeric
throw new PropertyNotFoundException(
xpath, "Missing list index after segment: " + segment);
}
}
}
}
throw new AssertionError("not reached");
}
