Add synchronous GetLatestVersion method.

olp-cpp-sdk-dataservice-read/include/olp/dataservice/read/CatalogClient.h

@@ -159,6 +159,19 @@ class DATASERVICE_READ_API CatalogClient final {
   client::CancellableFuture<CatalogVersionResponse> GetLatestVersion(
       CatalogVersionRequest request);
 
+  /**
+   * @brief Gets the catalog version synchronously.
+   *
+   * @param request The `CatalogVersionRequest` instance that contains
+   * a complete set of request parameters.
+   * @param context The `CancellationContext` instance.
+   *
+   * @return `CatalogVersionResponse` instance with the catalog configuration or
+   * an error
+   */
+  CatalogVersionResponse GetLatestVersion(CatalogVersionRequest request,
+                                          client::CancellationContext context);
+
   /**
    * @brief Gets the catalog versions list.
    *

olp-cpp-sdk-dataservice-read/include/olp/dataservice/read/VersionsRequest.h

@@ -136,6 +136,31 @@ class DATASERVICE_READ_API VersionsRequest final {
     return *this;
   }
 
+  /**
+   * @brief Gets the fetch option that controls how requests are handled.
+   *
+   * The default option is `OnlineIfNotFound` that queries the network if
+   * the requested resource is not in the cache.
+   *
+   * @return The fetch option.
+   */
+  inline FetchOptions GetFetchOption() const { return fetch_option_; }
+
+  /**
+   * @brief Sets the fetch option that you can use to set the source from
+   * which data should be fetched.
+   *
+   * @see `GetFetchOption()` for information on usage and format.
+   *
+   * @param fetch_option The `FetchOption` enum.
+   *
+   * @return A reference to the updated `VersionsRequest` instance.
+   */
+  inline VersionsRequest& WithFetchOption(FetchOptions fetch_option) {
+    fetch_option_ = fetch_option;
+    return *this;
+  }
+
   /**
    * @brief Creates a readable format for the request.
    *
@@ -156,6 +181,7 @@ class DATASERVICE_READ_API VersionsRequest final {
   std::int64_t start_version_;
   std::int64_t end_version_;
   boost::optional<std::string> billing_tag_;
+  FetchOptions fetch_option_{OnlineIfNotFound};
 };
 
 }  // namespace read

olp-cpp-sdk-dataservice-read/src/CatalogClient.cpp

@@ -62,6 +62,11 @@ CatalogClient::GetLatestVersion(CatalogVersionRequest request) {
   return impl_->GetLatestVersion(std::move(request));
 }
 
+CatalogVersionResponse CatalogClient::GetLatestVersion(
+    CatalogVersionRequest request, client::CancellationContext context) {
+  return impl_->GetLatestVersion(std::move(request), std::move(context));
+}
+
 client::CancellationToken CatalogClient::ListVersions(
     VersionsRequest request, VersionsResponseCallback callback) {
   return impl_->ListVersions(std::move(request), std::move(callback));

olp-cpp-sdk-dataservice-read/src/CatalogClientImpl.cpp

@@ -121,6 +121,16 @@ CatalogClientImpl::GetLatestVersion(CatalogVersionRequest request) {
       std::move(cancel_token), std::move(promise));
 }
 
+CatalogVersionResponse CatalogClientImpl::GetLatestVersion(
+    CatalogVersionRequest request, client::CancellationContext context) {
+  auto catalog = catalog_;
+  auto settings = settings_;
+  auto lookup_client = lookup_client_;
+
+  repository::CatalogRepository repository(catalog, settings, lookup_client);
+  return repository.GetLatestVersion(request, std::move(context));
+}
+
 client::CancellationToken CatalogClientImpl::ListVersions(
     VersionsRequest request, VersionsResponseCallback callback) {
   auto catalog = catalog_;

olp-cpp-sdk-dataservice-read/src/CatalogClientImpl.h

@@ -64,6 +64,9 @@ class CatalogClientImpl final {
   client::CancellableFuture<CatalogVersionResponse> GetLatestVersion(
       CatalogVersionRequest request);
 
+  CatalogVersionResponse GetLatestVersion(CatalogVersionRequest request,
+                                          client::CancellationContext context);
+
   client::CancellationToken ListVersions(VersionsRequest request,
                                          VersionsResponseCallback callback);