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authorMaros Marsalek <mmarsale@cisco.com>2016-04-28 09:38:15 +0200
committerEd Warnicke <hagbard@gmail.com>2016-05-02 21:19:11 +0000
commit72c7a2eadbc55aa4944822fc0e6a958d3578512a (patch)
tree30052562da6ccab4889c146f545f5a11cd643bbe
parent21c33bb3078d323893834fe9897ea8ec1fbcbe59 (diff)
HONEYCOMB-10: Add specific methods for each request to Future facade
These specific methods remove the need for casting on client side code while using generic send method Change-Id: Ic0240359333831b676a7d205f63ac1c3f3f8af4c Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
-rw-r--r--vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py102
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVppInvoker.java (renamed from vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVpp.java)2
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVppInvokerFacade.java (renamed from vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVppFacade.java)13
-rw-r--r--vpp-api/java/jvpp/org/openvpp/jvpp/test/FutureApiTest.java20
4 files changed, 116 insertions, 21 deletions
diff --git a/vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py b/vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py
index 60010b1070d..4f63f9bcf4b 100644
--- a/vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py
+++ b/vpp-api/java/jvpp/gen/jvpp_future_facade_gen.py
@@ -13,10 +13,11 @@
# See the License for the specific language governing permissions and
# limitations under the License.
-import os, util
+import os
from string import Template
import dto_gen
+import util
jvpp_facade_callback_template = Template("""
package $base_package.$future_package;
@@ -128,6 +129,8 @@ def generate_jvpp(func_list, base_package, dto_package, callback_package, future
if not os.path.exists(future_facade_package):
raise Exception("%s folder is missing" % future_facade_package)
+ methods = []
+ methods_impl = []
callbacks = []
for func in func_list:
@@ -139,17 +142,48 @@ def generate_jvpp(func_list, base_package, dto_package, callback_package, future
if not util.is_reply(camel_case_name_with_suffix):
continue
+ camel_case_method_name = util.underscore_to_camelcase(func['name'])
+ camel_case_request_method_name = util.remove_reply_suffix(util.underscore_to_camelcase(func['name']))
if util.is_details(camel_case_name_with_suffix):
- camel_case_method_name = util.underscore_to_camelcase(func['name'])
- camel_case_request_name = get_standard_dump_reply_name(util.underscore_to_camelcase_upper(func['name']),
+ camel_case_reply_name = get_standard_dump_reply_name(util.underscore_to_camelcase_upper(func['name']),
func['name'])
callbacks.append(jvpp_facade_details_callback_method_template.substitute(base_package=base_package,
dto_package=dto_package,
callback_dto=camel_case_name_with_suffix,
callback_dto_field=camel_case_method_name,
- callback_dto_reply_dump=camel_case_request_name + dto_gen.dump_dto_suffix,
+ callback_dto_reply_dump=camel_case_reply_name + dto_gen.dump_dto_suffix,
future_package=future_facade_package))
+
+ methods.append(future_jvpp_method_template.substitute(base_package=base_package,
+ dto_package=dto_package,
+ method_name=camel_case_request_method_name +
+ util.underscore_to_camelcase_upper(util.dump_suffix),
+ reply_name=camel_case_reply_name + dto_gen.dump_dto_suffix,
+ request_name=util.remove_reply_suffix(camel_case_reply_name) +
+ util.underscore_to_camelcase_upper(util.dump_suffix)))
+ methods_impl.append(future_jvpp_method_impl_template.substitute(base_package=base_package,
+ dto_package=dto_package,
+ method_name=camel_case_request_method_name +
+ util.underscore_to_camelcase_upper(util.dump_suffix),
+ reply_name=camel_case_reply_name + dto_gen.dump_dto_suffix,
+ request_name=util.remove_reply_suffix(camel_case_reply_name) +
+ util.underscore_to_camelcase_upper(util.dump_suffix)))
else:
+ request_name = util.underscore_to_camelcase_upper(util.unconventional_naming_rep_req[func['name']]) \
+ if func['name'] in util.unconventional_naming_rep_req else util.remove_reply_suffix(camel_case_name_with_suffix)
+
+ methods.append(future_jvpp_method_template.substitute(base_package=base_package,
+ dto_package=dto_package,
+ method_name=camel_case_request_method_name,
+ reply_name=camel_case_name_with_suffix,
+ request_name=request_name))
+ methods_impl.append(future_jvpp_method_impl_template.substitute(base_package=base_package,
+ dto_package=dto_package,
+ method_name=camel_case_request_method_name,
+ reply_name=camel_case_name_with_suffix,
+ request_name=request_name))
+
+ # Callback handler is a bit special and a different template has to be used
if util.is_control_ping(camel_case_name_with_suffix):
callbacks.append(jvpp_facade_control_ping_method_template.substitute(base_package=base_package,
dto_package=dto_package,
@@ -170,6 +204,66 @@ def generate_jvpp(func_list, base_package, dto_package, callback_package, future
jvpp_file.flush()
jvpp_file.close()
+ jvpp_file = open(os.path.join(future_facade_package, "FutureJVpp.java"), 'w')
+ jvpp_file.write(future_jvpp_template.substitute(inputfile=inputfile,
+ base_package=base_package,
+ methods="".join(methods),
+ future_package=future_facade_package))
+ jvpp_file.flush()
+ jvpp_file.close()
+
+ jvpp_file = open(os.path.join(future_facade_package, "FutureJVppFacade.java"), 'w')
+ jvpp_file.write(future_jvpp_facade_template.substitute(inputfile=inputfile,
+ base_package=base_package,
+ dto_package=dto_package,
+ methods="".join(methods_impl),
+ future_package=future_facade_package))
+ jvpp_file.flush()
+ jvpp_file.close()
+
+
+future_jvpp_template = Template('''
+package $base_package.$future_package;
+
+/**
+ * <p>Async facade extension adding specific methods for each request invocation
+ * <br>It was generated by jvpp_future_facade_gen.py based on $inputfile
+ * <br>(python representation of vpe.api generated by vppapigen).
+ */
+public interface FutureJVpp extends FutureJVppInvoker {
+$methods
+}
+''')
+
+future_jvpp_method_template = Template('''
+ java.util.concurrent.CompletionStage<$base_package.$dto_package.$reply_name> $method_name($base_package.$dto_package.$request_name request);
+''')
+
+
+future_jvpp_facade_template = Template('''
+package $base_package.$future_package;
+
+/**
+ * <p>Implementation of FutureJVpp based on FutureJVppInvokerFacade
+ * <br>It was generated by jvpp_future_facade_gen.py based on $inputfile
+ * <br>(python representation of vpe.api generated by vppapigen).
+ */
+public class FutureJVppFacade extends FutureJVppInvokerFacade implements FutureJVpp {
+
+ public FutureJVppFacade(final $base_package.JVpp jvpp,
+ final java.util.Map<Integer, java.util.concurrent.CompletableFuture<? extends $base_package.$dto_package.JVppReply<?>>> requestMap) {
+ super(jvpp, requestMap);
+ }
+$methods
+}
+''')
+
+future_jvpp_method_impl_template = Template('''
+ @Override
+ public java.util.concurrent.CompletionStage<$base_package.$dto_package.$reply_name> $method_name($base_package.$dto_package.$request_name request) {
+ return send(request);
+ }
+''')
# Returns request name or special one from unconventional_naming_rep_req map
def get_standard_dump_reply_name(camel_case_dto_name, func_name):
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVpp.java b/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVppInvoker.java
index d860bc2d483..8dab7f5e42d 100644
--- a/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVpp.java
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVppInvoker.java
@@ -24,7 +24,7 @@ import org.openvpp.jvpp.dto.JVppRequest;
/**
* Future facade on top of JVpp
*/
-public interface FutureJVpp {
+public interface FutureJVppInvoker extends AutoCloseable {
/**
* Invoke asynchronous operation on VPP
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVppFacade.java b/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVppInvokerFacade.java
index 5b8222c4565..ef8b13c5b01 100644
--- a/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVppFacade.java
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/future/FutureJVppInvokerFacade.java
@@ -30,7 +30,7 @@ import org.openvpp.jvpp.dto.JVppRequest;
/**
* Future facade on top of JVpp
*/
-public final class FutureJVppFacade implements FutureJVpp {
+public class FutureJVppInvokerFacade implements FutureJVppInvoker {
private final JVpp jvpp;
@@ -39,7 +39,7 @@ public final class FutureJVppFacade implements FutureJVpp {
*/
private final Map<Integer, CompletableFuture<? extends JVppReply<?>>> requests;
- public FutureJVppFacade(final JVpp jvpp,
+ public FutureJVppInvokerFacade(final JVpp jvpp,
final Map<Integer, CompletableFuture<? extends JVppReply<?>>> requestMap) {
// TODO use guava's preconditions for nonNull and state checks
// However adding guava as a dependency requires better build system for Java in VPP project
@@ -81,12 +81,9 @@ public final class FutureJVppFacade implements FutureJVpp {
}
static final class CompletableDumpFuture<T extends JVppReplyDump<?, ?>> extends CompletableFuture<T> {
- // TODO make this final
// The reason why this is not final is the instantiation of ReplyDump DTOs
// Their instantiation must be generated, so currently the DTOs are created in callback and set when first dump reponses
- // is returned. Because in callback we have method per response, but here where requests are invoked there is only
- // a single generic send method that does not have enough information to create the DTO
- // This can be final as soon as we provide specific send methods here
+ // is handled in the callback.
private T replyDump;
private final long contextId;
@@ -107,4 +104,8 @@ public final class FutureJVppFacade implements FutureJVpp {
}
}
+ @Override
+ public void close() throws Exception {
+ // NOOP
+ }
}
diff --git a/vpp-api/java/jvpp/org/openvpp/jvpp/test/FutureApiTest.java b/vpp-api/java/jvpp/org/openvpp/jvpp/test/FutureApiTest.java
index b5b36d58015..eb28bbc2e4d 100644
--- a/vpp-api/java/jvpp/org/openvpp/jvpp/test/FutureApiTest.java
+++ b/vpp-api/java/jvpp/org/openvpp/jvpp/test/FutureApiTest.java
@@ -37,8 +37,8 @@ public class FutureApiTest {
private static void testShowVersion(final FutureJVppFacade jvpp) {
System.out.println("Sending ShowVersion request...");
try {
- final Future<JVppReply<ShowVersion>> replyFuture = jvpp.send(new ShowVersion()).toCompletableFuture();
- final ShowVersionReply reply = (ShowVersionReply) replyFuture.get(); // TODO can we get rid of that cast?
+ final Future<ShowVersionReply> replyFuture = jvpp.showVersion(new ShowVersion()).toCompletableFuture();
+ final ShowVersionReply reply = replyFuture.get();
System.out.printf("Received ShowVersionReply: context=%d, retval=%d, program=%s, " +
"version=%s, buildDate=%s, buildDirectory=%s\n",
reply.context, reply.retval, new String(reply.program), new String(reply.version),
@@ -58,8 +58,8 @@ public class FutureApiTest {
try {
final GetNodeIndex request = new GetNodeIndex();
request.nodeName = "node0".getBytes();
- final Future<JVppReply<GetNodeIndex>> replyFuture = jvpp.send(request).toCompletableFuture();
- final GetNodeIndexReply reply = (GetNodeIndexReply) replyFuture.get();
+ final Future<GetNodeIndexReply> replyFuture = jvpp.getNodeIndex(request).toCompletableFuture();
+ final GetNodeIndexReply reply = replyFuture.get();
System.out.printf("Received GetNodeIndexReply: context=%d, retval=%d, nodeIndex=%d\n",
reply.context, reply.retval, reply.nodeIndex);
} catch (Exception e) {
@@ -74,8 +74,8 @@ public class FutureApiTest {
final SwInterfaceDump request = new SwInterfaceDump();
request.nameFilterValid = 0;
request.nameFilter = "".getBytes();
- final Future<JVppReply<SwInterfaceDump>> replyFuture = jvpp.send(request).toCompletableFuture();
- final SwInterfaceDetailsReplyDump reply = (SwInterfaceDetailsReplyDump) replyFuture.get();
+ final Future<SwInterfaceDetailsReplyDump> replyFuture = jvpp.swInterfaceDump(request).toCompletableFuture();
+ final SwInterfaceDetailsReplyDump reply = replyFuture.get();
if (reply == null) {
throw new IllegalStateException("SwInterfaceDetailsReplyDump is null!");
@@ -106,12 +106,12 @@ public class FutureApiTest {
final Map<Integer, CompletableFuture<? extends JVppReply<?>>> map = new HashMap<>();
final org.openvpp.jvpp.JVppImpl impl =
new org.openvpp.jvpp.JVppImpl(VppJNIConnection.create("FutureApiTest", new FutureJVppFacadeCallback(map)));
- final FutureJVppFacade jvpp = new FutureJVppFacade(impl, map);
+ final FutureJVppFacade jvppFacade = new FutureJVppFacade(impl, map);
System.out.println("Successfully connected to VPP");
- testShowVersion(jvpp);
- testGetNodeIndex(jvpp);
- testSwInterfaceDump(jvpp);
+ testShowVersion(jvppFacade);
+ testGetNodeIndex(jvppFacade);
+ testSwInterfaceDump(jvppFacade);
System.out.println("Disconnecting...");
// TODO we should consider adding jvpp.close(); to the facade