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();
}
