public static void write(EdmDataServices services, Writer w) {
XMLWriter2 writer = XMLFactoryProvider2.getInstance().newXMLWriterFactory2().createXMLWriter(w);
writer.startDocument();
writer.startElement(new QName2(edmx, "Edmx", "edmx"));
writer.writeAttribute("Version", "1.0");
writer.writeNamespace("edmx", edmx);
writer.writeNamespace("d", d);
writer.writeNamespace("m", m);
writeExtensionNamespaces(services, writer);
writer.startElement(new QName2(edmx, "DataServices", "edmx"));
writer.writeAttribute(new QName2(m, "DataServiceVersion", "m"), "1.0");
// Schema
for (EdmSchema schema : services.getSchemas()) {
writer.startElement(new QName2("Schema"), edm);
writer.writeAttribute("Namespace", schema.getNamespace());
writeAnnotationAttributes(schema, writer);
writeDocumentation(schema, writer);
// ComplexType
for (EdmComplexType ect : schema.getComplexTypes()) {
writer.startElement(new QName2("ComplexType"));
writer.writeAttribute("Name", ect.getName());
if (null != ect.getIsAbstract()) {
writer.writeAttribute("Abstract", ect.getIsAbstract().toString());
}
writeAnnotationAttributes(ect, writer);
writeDocumentation(ect, writer);
writeProperties(ect.getProperties(), writer);
writeAnnotationElements(ect, writer);
writer.endElement("ComplexType");
}
// EntityType
for (EdmEntityType eet : schema.getEntityTypes()) {
writer.startElement(new QName2("EntityType"));
writer.writeAttribute("Name", eet.getName());
if (null != eet.getIsAbstract()) {
writer.writeAttribute("Abstract", eet.getIsAbstract().toString());
}
if (Boolean.TRUE.equals(eet.getHasStream())) {
writer.writeAttribute(new QName2(m, "HasStream", "m"), "true");
}
// keys only on base types
if (eet.isRootType()) {
writeAnnotationAttributes(eet, writer);
writeDocumentation(eet, writer);
writer.startElement(new QName2("Key"));
for (String key : eet.getKeys()) {
writer.startElement(new QName2("PropertyRef"));
writer.writeAttribute("Name", key);
writer.endElement("PropertyRef");
}
writer.endElement("Key");
} else {
writer.writeAttribute("BaseType", eet.getBaseType().getFullyQualifiedTypeName());
writeAnnotationAttributes(eet, writer);
writeDocumentation(eet, writer);
}
writeProperties(eet.getDeclaredProperties(), writer);
for (EdmNavigationProperty np : eet.getDeclaredNavigationProperties()) {
writer.startElement(new QName2("NavigationProperty"));
writer.writeAttribute("Name", np.getName());
writer.writeAttribute("Relationship", np.getRelationship().getFQNamespaceName());
writer.writeAttribute("FromRole", np.getFromRole().getRole());
writer.writeAttribute("ToRole", np.getToRole().getRole());
writeAnnotationAttributes(np, writer);
writeDocumentation(np, writer);
writeAnnotationElements(np, writer);
writer.endElement("NavigationProperty");
}
writeAnnotationElements(eet, writer);
writer.endElement("EntityType");
}
// Association
for (EdmAssociation assoc : schema.getAssociations()) {
writer.startElement(new QName2("Association"));
writer.writeAttribute("Name", assoc.getName());
writeAnnotationAttributes(assoc, writer);
writeDocumentation(assoc, writer);
writer.startElement(new QName2("End"));
writer.writeAttribute("Role", assoc.getEnd1().getRole());
writer.writeAttribute("Type", assoc.getEnd1().getType().getFullyQualifiedTypeName());
writer.writeAttribute("Multiplicity", assoc.getEnd1().getMultiplicity().getSymbolString());
writer.endElement("End");
writer.startElement(new QName2("End"));
writer.writeAttribute("Role", assoc.getEnd2().getRole());
writer.writeAttribute("Type", assoc.getEnd2().getType().getFullyQualifiedTypeName());
writer.writeAttribute("Multiplicity", assoc.getEnd2().getMultiplicity().getSymbolString());
writer.endElement("End");
writeAnnotationElements(assoc, writer);
writer.endElement("Association");
}
// EntityContainer
for (EdmEntityContainer container : schema.getEntityContainers()) {
writer.startElement(new QName2("EntityContainer"));
writer.writeAttribute("Name", container.getName());
writer.writeAttribute(
new QName2(m, "IsDefaultEntityContainer", "m"),
Boolean.toString(container.isDefault()));
writeAnnotationAttributes(container, writer);
writeDocumentation(container, writer);
for (EdmEntitySet ees : container.getEntitySets()) {
writer.startElement(new QName2("EntitySet"));
writer.writeAttribute("Name", ees.getName());
writer.writeAttribute("EntityType", ees.getType().getFullyQualifiedTypeName());
writeAnnotationAttributes(ees, writer);
writeDocumentation(ees, writer);
writeAnnotationElements(ees, writer);
writer.endElement("EntitySet");
}
for (EdmFunctionImport fi : container.getFunctionImports()) {
writer.startElement(new QName2("FunctionImport"));
writer.writeAttribute("Name", fi.getName());
if (null != fi.getEntitySet()) {
writer.writeAttribute("EntitySet", fi.getEntitySet().getName());
}
if (fi.getReturnType() != null) {
// TODO: how to differentiate inline ReturnType vs embedded ReturnType?
writer.writeAttribute("ReturnType", fi.getReturnType().getFullyQualifiedTypeName());
}
writer.writeAttribute(new QName2(m, "HttpMethod", "m"), fi.getHttpMethod());
writeAnnotationAttributes(fi, writer);
writeDocumentation(fi, writer);
for (EdmFunctionParameter param : fi.getParameters()) {
writer.startElement(new QName2("Parameter"));
writer.writeAttribute("Name", param.getName());
writer.writeAttribute("Type", param.getType().getFullyQualifiedTypeName());
if (param.getMode() != null) writer.writeAttribute("Mode", param.getMode().toString());
writeAnnotationAttributes(param, writer);
writeDocumentation(param, writer);
writeAnnotationElements(param, writer);
writer.endElement("Parameter");
}
writeAnnotationElements(fi, writer);
writer.endElement("FunctionImport");
}
for (EdmAssociationSet eas : container.getAssociationSets()) {
writer.startElement(new QName2("AssociationSet"));
writer.writeAttribute("Name", eas.getName());
writer.writeAttribute("Association", eas.getAssociation().getFQNamespaceName());
writeAnnotationAttributes(eas, writer);
writeDocumentation(eas, writer);
writer.startElement(new QName2("End"));
writer.writeAttribute("Role", eas.getEnd1().getRole().getRole());
writer.writeAttribute("EntitySet", eas.getEnd1().getEntitySet().getName());
writer.endElement("End");
writer.startElement(new QName2("End"));
writer.writeAttribute("Role", eas.getEnd2().getRole().getRole());
writer.writeAttribute("EntitySet", eas.getEnd2().getEntitySet().getName());
writer.endElement("End");
writeAnnotationElements(eas, writer);
writer.endElement("AssociationSet");
}
writeAnnotationElements(container, writer);
writer.endElement("EntityContainer");
}
writeAnnotationElements(schema, writer);
writer.endElement("Schema");
}
writer.endDocument();
}
private static void buildEntityTypes(
MetadataStore metadataStore, List<EdmSchema.Builder> edmSchemas) {
for (Schema schema : metadataStore.getSchemaList()) {
List<EdmEntitySet.Builder> entitySets = new ArrayList<EdmEntitySet.Builder>();
List<EdmEntityType.Builder> entityTypes = new ArrayList<EdmEntityType.Builder>();
for (Table table : schema.getTables().values()) {
KeyRecord primaryKey = table.getPrimaryKey();
List<KeyRecord> uniques = table.getUniqueKeys();
if (primaryKey == null && uniques.isEmpty()) {
LogManager.logDetail(
LogConstants.CTX_ODATA,
ODataPlugin.Util.gs(ODataPlugin.Event.TEIID16002, table.getFullName()));
continue;
}
EdmEntityType.Builder entityType =
EdmEntityType.newBuilder().setName(table.getName()).setNamespace(schema.getName());
// adding key
if (primaryKey != null) {
for (Column c : primaryKey.getColumns()) {
entityType.addKeys(c.getName());
}
} else {
for (Column c : uniques.get(0).getColumns()) {
entityType.addKeys(c.getName());
}
}
// adding properties
for (Column c : table.getColumns()) {
EdmProperty.Builder property =
EdmProperty.newBuilder(c.getName())
.setType(ODataTypeManager.odataType(c.getDatatype().getRuntimeTypeName()))
.setNullable(c.getNullType() == NullType.Nullable);
if (c.getDatatype()
.getRuntimeTypeName()
.equals(DataTypeManager.DefaultDataTypes.STRING)) {
property.setFixedLength(c.isFixedLength()).setMaxLength(c.getLength()).setUnicode(true);
}
entityType.addProperties(property);
}
// entity set one for one entity type
EdmEntitySet.Builder entitySet =
EdmEntitySet.newBuilder().setName(table.getName()).setEntityType(entityType);
entityType.setNamespace(schema.getName());
entitySets.add(entitySet);
// add enitity types for entity schema
entityTypes.add(entityType);
}
// entity container is holder entity sets, association sets, function imports
EdmEntityContainer.Builder entityContainer =
EdmEntityContainer.newBuilder()
.setName(schema.getName())
.setIsDefault(false)
.addEntitySets(entitySets);
// build entity schema
EdmSchema.Builder modelSchema =
EdmSchema.newBuilder()
.setNamespace(schema.getName())
.addEntityTypes(entityTypes)
.addEntityContainers(entityContainer);
edmSchemas.add(modelSchema);
}
}
private EdmSchema.Builder parseEdmSchema(XMLEventReader2 reader, StartElement2 schemaElement) {
String schemaNamespace = schemaElement.getAttributeByName(new QName2("Namespace")).getValue();
String schemaAlias = getAttributeValueIfExists(schemaElement, new QName2("Alias"));
final List<EdmEntityType.Builder> edmEntityTypes = new ArrayList<EdmEntityType.Builder>();
List<EdmComplexType.Builder> edmComplexTypes = new ArrayList<EdmComplexType.Builder>();
List<EdmAssociation.Builder> edmAssociations = new ArrayList<EdmAssociation.Builder>();
List<EdmEntityContainer.Builder> edmEntityContainers =
new ArrayList<EdmEntityContainer.Builder>();
List<EdmAnnotation<?>> annotElements = new ArrayList<EdmAnnotation<?>>();
while (reader.hasNext()) {
XMLEvent2 event = reader.nextEvent();
if (event.isStartElement()) {
if (isElement(
event,
EDM2006_ENTITYTYPE,
EDM2007_ENTITYTYPE,
EDM2008_1_ENTITYTYPE,
EDM2008_9_ENTITYTYPE,
EDM2009_8_ENTITYTYPE,
EDM2009_11_ENTITYTYPE)) {
EdmEntityType.Builder edmEntityType =
parseEdmEntityType(reader, schemaNamespace, schemaAlias, event.asStartElement());
edmEntityTypes.add(edmEntityType);
} else if (isElement(
event,
EDM2006_ASSOCIATION,
EDM2007_ASSOCIATION,
EDM2008_1_ASSOCIATION,
EDM2008_9_ASSOCIATION,
EDM2009_8_ASSOCIATION,
EDM2009_11_ASSOCIATION)) {
EdmAssociation.Builder edmAssociation =
parseEdmAssociation(reader, schemaNamespace, schemaAlias, event.asStartElement());
edmAssociations.add(edmAssociation);
} else if (isElement(
event,
EDM2006_COMPLEXTYPE,
EDM2007_COMPLEXTYPE,
EDM2008_1_COMPLEXTYPE,
EDM2008_9_COMPLEXTYPE,
EDM2009_8_COMPLEXTYPE,
EDM2009_11_COMPLEXTYPE)) {
EdmComplexType.Builder edmComplexType =
parseEdmComplexType(reader, schemaNamespace, event.asStartElement());
edmComplexTypes.add(edmComplexType);
} else if (isElement(
event,
EDM2006_ENTITYCONTAINER,
EDM2007_ENTITYCONTAINER,
EDM2008_1_ENTITYCONTAINER,
EDM2008_9_ENTITYCONTAINER,
EDM2009_8_ENTITYCONTAINER,
EDM2009_11_ENTITYCONTAINER)) {
EdmEntityContainer.Builder edmEntityContainer =
parseEdmEntityContainer(reader, schemaNamespace, event.asStartElement());
edmEntityContainers.add(edmEntityContainer);
} else {
EdmAnnotation<?> anElement = getAnnotationElements(event, reader);
if (anElement != null) {
annotElements.add(anElement);
}
}
}
if (isEndElement(event, schemaElement.getName())) {
return EdmSchema.newBuilder()
.setNamespace(schemaNamespace)
.setAlias(schemaAlias)
.addEntityTypes(edmEntityTypes)
.addComplexTypes(edmComplexTypes)
.addAssociations(edmAssociations)
.addEntityContainers(edmEntityContainers)
.setAnnotations(getAnnotations(schemaElement))
.setAnnotationElements(annotElements);
}
}
throw new UnsupportedOperationException();
}
