private EdmFunctionImport.Builder parseEdmFunctionImport(
XMLEventReader2 reader, String schemaNamespace, StartElement2 functionImportElement) {
String name = functionImportElement.getAttributeByName("Name").getValue();
String entitySet = getAttributeValueIfExists(functionImportElement, "EntitySet");
Attribute2 returnTypeAttr = functionImportElement.getAttributeByName("ReturnType");
String returnType = returnTypeAttr != null ? returnTypeAttr.getValue() : null;
List<EdmAnnotation<?>> annotElements = new ArrayList<EdmAnnotation<?>>();
// strict parsing
boolean isCollection = returnType != null && returnType.matches("^Collection\\(.*\\)$");
if (isCollection) {
returnType = returnType.substring(11, returnType.length() - 1);
}
String httpMethod =
getAttributeValueIfExists(functionImportElement, new QName2(NS_METADATA, "HttpMethod"));
List<EdmFunctionParameter.Builder> parameters = new ArrayList<EdmFunctionParameter.Builder>();
while (reader.hasNext()) {
XMLEvent2 event = reader.nextEvent();
if (event.isStartElement()) {
if (isElement(
event,
EDM2006_PARAMETER,
EDM2007_PARAMETER,
EDM2008_1_PARAMETER,
EDM2008_9_PARAMETER,
EDM2009_8_PARAMETER,
EDM2009_11_PARAMETER)) {
StartElement2 paramStartElement = event.asStartElement();
EdmFunctionParameter.Builder functionParameter =
parseEdmFunctionParameter(reader, paramStartElement);
parameters.add(functionParameter);
} else {
EdmAnnotation<?> anElement = getAnnotationElements(event, reader);
if (anElement != null) {
annotElements.add(anElement);
}
}
}
if (isEndElement(event, functionImportElement.getName())) {
return EdmFunctionImport.newBuilder()
.setName(name)
.setEntitySetName(entitySet)
.setReturnTypeName(returnType)
.setIsCollection(isCollection)
.setHttpMethod(httpMethod)
.addParameters(parameters)
.setAnnotations(getAnnotations(functionImportElement))
.setAnnotationElements(annotElements);
}
}
throw new UnsupportedOperationException();
}
private static void buildFunctionImports(MetadataStore metadataStore, List<Builder> edmSchemas) {
for (Schema schema : metadataStore.getSchemaList()) {
EdmSchema.Builder odataSchema = findSchema(edmSchemas, schema.getName());
EdmEntityContainer.Builder entityContainer =
findEntityContainer(edmSchemas, schema.getName());
// procedures
for (Procedure proc : schema.getProcedures().values()) {
EdmFunctionImport.Builder edmProcedure = EdmFunctionImport.newBuilder();
edmProcedure.setName(proc.getName());
String httpMethod = "POST";
for (ProcedureParameter pp : proc.getParameters()) {
if (pp.getName().equals("return")) {
httpMethod = "GET";
edmProcedure.setReturnType(
ODataTypeManager.odataType(pp.getDatatype().getRuntimeTypeName()));
continue;
}
EdmFunctionParameter.Builder param = EdmFunctionParameter.newBuilder();
param.setName(pp.getName());
param.setType(ODataTypeManager.odataType(pp.getDatatype().getRuntimeTypeName()));
if (pp.getType() == ProcedureParameter.Type.In) {
param.setMode(Mode.In);
} else if (pp.getType() == ProcedureParameter.Type.InOut) {
param.setMode(Mode.InOut);
} else if (pp.getType() == ProcedureParameter.Type.Out) {
param.setMode(Mode.Out);
}
param.setNullable(pp.getNullType() == NullType.Nullable);
edmProcedure.addParameters(param);
}
// add a complex type for return resultset.
ColumnSet<Procedure> returnColumns = proc.getResultSet();
if (returnColumns != null) {
httpMethod = "GET";
EdmComplexType.Builder complexType = EdmComplexType.newBuilder();
complexType.setName(proc.getName() + "_" + returnColumns.getName());
complexType.setNamespace(schema.getName());
for (Column c : returnColumns.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);
}
complexType.addProperties(property);
}
odataSchema.addComplexTypes(complexType);
edmProcedure.setIsCollection(true);
edmProcedure.setReturnType(
EdmCollectionType.newBuilder()
.setCollectionType(complexType)
.setKind(CollectionKind.Collection));
}
edmProcedure.setHttpMethod(httpMethod);
entityContainer.addFunctionImports(edmProcedure);
}
}
}
private void resolve() {
final Map<String, EdmEntityType.Builder> allEetsByFQName =
Enumerable.create(dataServices.getEntityTypes())
.toMap(EdmEntityType.Builder.func1_getFullyQualifiedTypeName());
final Map<String, EdmEntityType.Builder> allEetsByFQAliasName =
Enumerable.create(dataServices.getEntityTypes())
.where(EdmEntityType.Builder.pred1_hasAlias())
.toMap(EdmEntityType.Builder.func1_getFQAliasName());
final Map<String, EdmAssociation.Builder> allEasByFQName =
Enumerable.create(dataServices.getAssociations())
.toMap(EdmAssociation.Builder.func1_getFQNamespaceName());
for (EdmSchema.Builder edmSchema : dataServices.getSchemas()) {
// resolve associations
for (int i = 0; i < edmSchema.getAssociations().size(); i++) {
EdmAssociation.Builder tmpAssociation = edmSchema.getAssociations().get(i);
tmpAssociation
.getEnd1()
.setType(allEetsByFQName.get(tmpAssociation.getEnd1().getTypeName()));
tmpAssociation
.getEnd2()
.setType(allEetsByFQName.get(tmpAssociation.getEnd2().getTypeName()));
}
// resolve navproperties
for (EdmEntityType.Builder eet : edmSchema.getEntityTypes()) {
List<EdmNavigationProperty.Builder> navProps = eet.getNavigationProperties();
for (int i = 0; i < navProps.size(); i++) {
final EdmNavigationProperty.Builder tmp = navProps.get(i);
final EdmAssociation.Builder ea = allEasByFQName.get(tmp.getRelationshipName());
if (ea == null)
throw new IllegalArgumentException(
"Invalid relationship name " + tmp.getRelationshipName());
List<EdmAssociationEnd.Builder> finalEnds =
Enumerable.create(tmp.getFromRoleName(), tmp.getToRoleName())
.select(
new Func1<String, EdmAssociationEnd.Builder>() {
public EdmAssociationEnd.Builder apply(String input) {
if (ea.getEnd1().getRole().equals(input)) return ea.getEnd1();
if (ea.getEnd2().getRole().equals(input)) return ea.getEnd2();
throw new IllegalArgumentException("Invalid role name " + input);
}
})
.toList();
tmp.setRelationship(ea).setFromTo(finalEnds.get(0), finalEnds.get(1));
}
}
// resolve entitysets
for (EdmEntityContainer.Builder edmEntityContainer : edmSchema.getEntityContainers()) {
for (int i = 0; i < edmEntityContainer.getEntitySets().size(); i++) {
final EdmEntitySet.Builder tmpEes = edmEntityContainer.getEntitySets().get(i);
EdmEntityType.Builder eet = allEetsByFQName.get(tmpEes.getEntityTypeName());
if (eet == null) eet = allEetsByFQAliasName.get(tmpEes.getEntityTypeName());
if (eet == null)
throw new IllegalArgumentException("Invalid entity type " + tmpEes.getEntityTypeName());
edmEntityContainer
.getEntitySets()
.set(
i,
EdmEntitySet.newBuilder()
.setName(tmpEes.getName())
.setEntityType(eet)
.setAnnotationElements(tmpEes.getAnnotationElements())
.setAnnotations(tmpEes.getAnnotations()));
}
}
// resolve associationsets
for (final EdmEntityContainer.Builder edmEntityContainer : edmSchema.getEntityContainers()) {
for (int i = 0; i < edmEntityContainer.getAssociationSets().size(); i++) {
final EdmAssociationSet.Builder tmpEas = edmEntityContainer.getAssociationSets().get(i);
final EdmAssociation.Builder ea = allEasByFQName.get(tmpEas.getAssociationName());
List<EdmAssociationSetEnd.Builder> finalEnds =
Enumerable.create(tmpEas.getEnd1(), tmpEas.getEnd2())
.select(
new Func1<EdmAssociationSetEnd.Builder, EdmAssociationSetEnd.Builder>() {
public EdmAssociationSetEnd.Builder apply(
final EdmAssociationSetEnd.Builder input) {
EdmAssociationEnd.Builder eae =
ea.getEnd1().getRole().equals(input.getRoleName())
? ea.getEnd1()
: ea.getEnd2().getRole().equals(input.getRoleName())
? ea.getEnd2()
: null;
if (eae == null)
throw new IllegalArgumentException(
"Invalid role name " + input.getRoleName());
EdmEntitySet.Builder ees =
Enumerable.create(edmEntityContainer.getEntitySets())
.first(
OPredicates.nameEquals(
EdmEntitySet.Builder.class, input.getEntitySetName()));
return EdmAssociationSetEnd.newBuilder()
.setRole(eae)
.setEntitySet(ees)
.setAnnotationElements(input.getAnnotationElements())
.setAnnotations(input.getAnnotations());
}
})
.toList();
tmpEas.setAssociation(ea).setEnds(finalEnds.get(0), finalEnds.get(1));
}
}
// resolve functionimports
for (final EdmEntityContainer.Builder edmEntityContainer : edmSchema.getEntityContainers()) {
for (int i = 0; i < edmEntityContainer.getFunctionImports().size(); i++) {
final EdmFunctionImport.Builder tmpEfi = edmEntityContainer.getFunctionImports().get(i);
EdmEntitySet.Builder ees =
Enumerable.create(edmEntityContainer.getEntitySets())
.firstOrNull(
new Predicate1<EdmEntitySet.Builder>() {
public boolean apply(EdmEntitySet.Builder input) {
return input.getName().equals(tmpEfi.getEntitySetName());
}
});
EdmType.Builder<?, ?> typeBuilder = null;
if (tmpEfi.getReturnTypeName() != null) {
typeBuilder = dataServices.resolveType(tmpEfi.getReturnTypeName());
if (typeBuilder == null)
throw new RuntimeException("Edm-type not found: " + tmpEfi.getReturnTypeName());
if (tmpEfi.isCollection()) {
typeBuilder =
EdmCollectionType.newBuilder()
.setKind(CollectionKind.Collection)
.setCollectionType(typeBuilder);
}
}
edmEntityContainer
.getFunctionImports()
.set(
i,
EdmFunctionImport.newBuilder()
.setName(tmpEfi.getName())
.setEntitySet(ees)
.setReturnType(typeBuilder)
.setHttpMethod(tmpEfi.getHttpMethod())
.addParameters(tmpEfi.getParameters())
.setAnnotationElements(tmpEfi.getAnnotationElements())
.setAnnotations(tmpEfi.getAnnotations()));
}
}
// resolve type hierarchy
for (Entry<String, EdmEntityType.Builder> entry : allEetsByFQName.entrySet()) {
String baseTypeName = entry.getValue().getFQBaseTypeName();
if (baseTypeName != null) {
EdmEntityType.Builder baseType = allEetsByFQName.get(baseTypeName);
if (baseType == null) {
throw new IllegalArgumentException("Invalid baseType: " + baseTypeName);
}
entry.getValue().setBaseType(baseType);
}
}
}
}