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https://issues.apache.org/jira/browse/OLINGO-651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Bolz reassigned OLINGO-651:
-----------------------------------
Assignee: Michael Bolz
> Function Imports feture missing in olingo 2.0.3
> -----------------------------------------------
>
> Key: OLINGO-651
> URL: https://issues.apache.org/jira/browse/OLINGO-651
> Project: Olingo
> Issue Type: New Feature
> Components: odata2-core
> Affects Versions: V2 2.0.3
> Environment: olingo 2.0.3
> Reporter: Kiran Kumar Peramareddy
> Assignee: Michael Bolz
> Labels: FunctionImports
>
> Present we are implementing a project which uses Olingo 2.0.3 framework. In
> this version we found that Function Imports feature is missing.To make this
> feature available, we modified the AnnotationEdmProvider class which is
> available in the olingo-odata2-annotation-processor-core-2.0.3-sources.jar
> Olingo library.
> Here are the changes we made to implement the feature.
> 1) Created a new class which define the functions.
> @EdmEntityType(name="CasmFunctions", namespace="IncidentMgt")
> @EdmEntitySet(name="CasmFunctions")
> public class CasmFunctions {
> @EdmFunctionImport(name = "getIncidentName", returnType = @ReturnType(type =
> Type.SIMPLE, isCollection = false),httpMethod = HttpMethod.GET)
> public String getIncidentName() {
> return "Incident 100";
> }
> }
> 2) Add a new method in the container builder class
> public ContainerBuilder addFunctionImport(final FunctionImport
> functionImport) {
> functionImports.add(functionImport);
> return this;
> }
> 3) Modified the handleEntityContainer method in AnnotatinEdmProvider class as
> follows.
> private void handleEntityContainer(final Class<?> aClass) {
> String containerName = ANNOTATION_HELPER.extractContainerName(aClass);
> ContainerBuilder builder =
> containerName2ContainerBuilder.get(containerName);
> EdmEntityType entityType = aClass.getAnnotation(EdmEntityType.class);
> if (entityType != null) {
> FullQualifiedName typeName = createFqnForEntityType(aClass);
>
> if (builder == null) {
> builder = ContainerBuilder.init(typeName.getNamespace(),
> containerName);
> containerName2ContainerBuilder.put(containerName, builder);
> }
> EdmEntitySet entitySet = aClass.getAnnotation(EdmEntitySet.class);
> if (entitySet != null) {
> builder.addEntitySet(createEntitySet(typeName, aClass));
> }
>
> Method[] entityFunctions = aClass.getMethods();
> for (Method function : entityFunctions) {
> EdmFunctionImport funcImp =
> function.getAnnotation(EdmFunctionImport.class);
> if (funcImp != null)
> {
> FunctionImport fi = new FunctionImport();
>
> fi.setEntitySet(funcImp.entitySet());
> fi.setHttpMethod(funcImp.httpMethod().name());
> fi.setName(funcImp.name());
> builder.addFunctionImport(fi);
> }
> }
> }
> }
> After the above changes the functions are started available in the odata
> metadata document.
> Please validate code and suggest us for any improvements on this.
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