public Observable < Page < TopicInner > > listByResourceGroupAsync ( String resourceGroupName ) { return listByResourceGroupWithServiceResponseAsync ( resourceGroupName ) . map ( new Func1 < ServiceResponse < List < TopicInner > > , Page < TopicInner > > ( ) { @ Override public Page < TopicInner > call ( ServiceResponse < List < TopicInner > > response ) { PageImpl < TopicInner > page = new PageImpl <> ( ) ; page . setItems ( response . body ( ) ) ; return page ; } } ) ; }
List topics under a resource group . List all the topics under a resource group .