jvpp: object model for jvpp generator (VPP-1184)
[vpp.git] / src / vpp-api / java / jvpp / gen / jvppgen / jvpp_future_facade_gen.py
index c1a7f1c..47a9985 100644 (file)
@@ -1,6 +1,6 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 #
-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2016,2018 Cisco and/or its affiliates.
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at:
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
-import os
 from string import Template
 
-import dto_gen
-import util
+from jvpp_model import is_control_ping, is_control_ping_reply, is_dump, is_request, is_details, is_reply, is_event
+
+
+def generate_future_facade(work_dir, model, logger):
+    logger.debug("Generating JVpp future facade for %s" % model.json_api_files)
+    _generate_future_jvpp(work_dir, model),
+    _generate_future_jvpp_facade(work_dir, model)
+    _generate_future_jvpp_callback(work_dir, model)
+
+
+def _generate_future_jvpp(work_dir, model):
+    with open("%s/FutureJVpp%s.java" % (work_dir, model.plugin_java_name), "w") as f:
+        f.write(_FUTURE_JVPP_TEMPLATE.substitute(
+            plugin_package=model.plugin_package,
+            json_filename=model.json_api_files,
+            plugin_name=model.plugin_java_name,
+            methods=_generate_future_jvpp_methods(model)
+        ))
+
+_FUTURE_JVPP_TEMPLATE = Template('''
+package $plugin_package.future;
+
+/**
+ * <p>Async facade extension adding specific methods for each request invocation
+ * <br>It was generated by jvpp_future_facade_gen.py based on $json_filename.
+ */
+public interface FutureJVpp${plugin_name} extends io.fd.vpp.jvpp.future.FutureJVppInvoker {
+$methods
+
+    @Override
+    public $plugin_package.notification.${plugin_name}EventRegistry getEventRegistry();
+
+}
+''')
+
+
+def _generate_future_jvpp_methods(model):
+    methods = []
+    for msg in model.messages:
+        if is_control_ping(msg) or is_control_ping_reply(msg):
+            # Skip control_ping managed by jvpp registry.
+            continue
+        reply_name = None
+        if is_request(msg):
+            reply_name = msg.reply_java
+        elif is_dump(msg):
+            # use reply dump wrappers
+            reply_name = "%sReplyDump" % msg.reply_java
+        else:
+            continue
+
+        methods.append(_FUTURE_JVPP_METHOD_TEMPLATE.substitute(
+            plugin_package=model.plugin_package,
+            method_name=msg.java_name_lower,
+            reply_name=reply_name,
+            request_name=msg.java_name_upper
+        ))
+    return "".join(methods)
+
+_FUTURE_JVPP_METHOD_TEMPLATE = Template('''
+    java.util.concurrent.CompletionStage<${plugin_package}.dto.${reply_name}> ${method_name}(${plugin_package}.dto.${request_name} request);
+''')
+
+
+def _generate_future_jvpp_facade(work_dir, model):
+    with open("%s/FutureJVpp%sFacade.java" % (work_dir, model.plugin_java_name), "w") as f:
+        f.write(_FUTURE_JVPP_FACADE_TEMPLATE.substitute(
+            plugin_package=model.plugin_package,
+            json_filename=model.json_api_files,
+            plugin_name=model.plugin_java_name,
+            methods=_generate_future_jvpp_facade_methods(model)
+        ))
 
-jvpp_facade_callback_template = Template("""
-package $plugin_package.$future_package;
+_FUTURE_JVPP_FACADE_TEMPLATE = Template('''
+package $plugin_package.future;
+
+/**
+ * <p>Implementation of FutureJVpp based on AbstractFutureJVppInvoker
+ * <br>It was generated by jvpp_future_facade_gen.py based on $json_filename.
+ */
+public class FutureJVpp${plugin_name}Facade extends io.fd.vpp.jvpp.future.AbstractFutureJVppInvoker implements FutureJVpp${plugin_name} {
+
+    private final $plugin_package.notification.${plugin_name}EventRegistryImpl eventRegistry = new $plugin_package.notification.${plugin_name}EventRegistryImpl();
+
+    /**
+     * <p>Create FutureJVpp${plugin_name}Facade object for provided JVpp instance.
+     * Constructor internally creates FutureJVppFacadeCallback class for processing callbacks
+     * and then connects to provided JVpp instance
+     *
+     * @param jvpp provided io.fd.vpp.jvpp.JVpp instance
+     *
+     * @throws java.io.IOException in case instance cannot connect to JVPP
+     */
+    public FutureJVpp${plugin_name}Facade(final io.fd.vpp.jvpp.JVppRegistry registry, final io.fd.vpp.jvpp.JVpp jvpp) throws java.io.IOException {
+        super(jvpp, registry, new java.util.HashMap<>());
+        java.util.Objects.requireNonNull(registry, "JVppRegistry should not be null");
+        registry.register(jvpp, new FutureJVpp${plugin_name}FacadeCallback(getRequests(), eventRegistry));
+    }
+
+    @Override
+    public $plugin_package.notification.${plugin_name}EventRegistry getEventRegistry() {
+        return eventRegistry;
+    }
+
+$methods
+}
+''')
+
+
+def _generate_future_jvpp_facade_methods(model):
+    methods = []
+    for msg in model.messages:
+        if is_control_ping(msg) or is_control_ping_reply(msg):
+            # Skip control_ping managed by jvpp registry.
+            continue
+        template = None
+        if is_request(msg):
+            template = _FUTURE_JVPP_FACADE_REQUEST_TEMPLATE
+        elif is_dump(msg):
+            template = _FUTURE_JVPP_FACADE_DUMP_TEMPLATE
+        else:
+            continue
+
+        methods.append(template.substitute(
+            plugin_package=model.plugin_package,
+            method_name=msg.java_name_lower,
+            reply_name=msg.reply_java,
+            request_name=msg.java_name_upper
+        ))
+    return "".join(methods)
+
+_FUTURE_JVPP_FACADE_REQUEST_TEMPLATE = Template('''
+    @Override
+    public java.util.concurrent.CompletionStage<${plugin_package}.dto.${reply_name}> ${method_name}(${plugin_package}.dto.${request_name} request) {
+        return send(request);
+    }
+''')
+
+_FUTURE_JVPP_FACADE_DUMP_TEMPLATE = Template('''
+    @Override
+    public java.util.concurrent.CompletionStage<${plugin_package}.dto.${reply_name}ReplyDump> ${method_name}(${plugin_package}.dto.${request_name} request) {
+        return send(request, new ${plugin_package}.dto.${reply_name}ReplyDump());
+    }
+''')
+
+
+def _generate_future_jvpp_callback(work_dir, model):
+    with open("%s/FutureJVpp%sFacadeCallback.java" % (work_dir, model.plugin_java_name), "w") as f:
+        f.write(_FUTURE_JVPP_CALLBACK_TEMPLATE.substitute(
+            plugin_package=model.plugin_package,
+            json_filename=model.json_api_files,
+            plugin_name=model.plugin_java_name,
+            methods=_generate_future_jvpp_callback_methods(model)
+        ))
+
+_FUTURE_JVPP_CALLBACK_TEMPLATE = Template("""
+package $plugin_package.future;
 
 /**
  * <p>Async facade callback setting values to future objects
- * <br>It was generated by jvpp_future_facade_gen.py based on $inputfile
- * <br>(python representation of api file generated by vppapigen).
+ * <br>It was generated by jvpp_future_facade_gen.py based on $json_filename.
  */
-public final class FutureJVpp${plugin_name}FacadeCallback implements $plugin_package.$callback_package.JVpp${plugin_name}GlobalCallback {
+public final class FutureJVpp${plugin_name}FacadeCallback implements $plugin_package.callback.JVpp${plugin_name}GlobalCallback {
 
-    private final java.util.Map<java.lang.Integer, java.util.concurrent.CompletableFuture<? extends $base_package.$dto_package.JVppReply<?>>> requests;
-    private final $plugin_package.$notification_package.Global${plugin_name}EventCallback notificationCallback;
+    private final java.util.Map<java.lang.Integer, java.util.concurrent.CompletableFuture<? extends io.fd.vpp.jvpp.dto.JVppReply<?>>> requests;
+    private final $plugin_package.notification.Global${plugin_name}EventCallback notificationCallback;
     private static final java.util.logging.Logger LOG = java.util.logging.Logger.getLogger(FutureJVpp${plugin_name}FacadeCallback.class.getName());
 
     public FutureJVpp${plugin_name}FacadeCallback(
-        final java.util.Map<java.lang.Integer, java.util.concurrent.CompletableFuture<? extends $base_package.$dto_package.JVppReply<?>>> requestMap,
-        final $plugin_package.$notification_package.Global${plugin_name}EventCallback notificationCallback) {
+        final java.util.Map<java.lang.Integer, java.util.concurrent.CompletableFuture<? extends io.fd.vpp.jvpp.dto.JVppReply<?>>> requestMap,
+        final $plugin_package.notification.Global${plugin_name}EventCallback notificationCallback) {
         this.requests = requestMap;
         this.notificationCallback = notificationCallback;
     }
 
     @Override
     @SuppressWarnings("unchecked")
-    public void onError($base_package.VppCallbackException reply) {
-        final java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<?>> completableFuture;
+    public void onError(io.fd.vpp.jvpp.VppCallbackException reply) {
+        final java.util.concurrent.CompletableFuture<io.fd.vpp.jvpp.dto.JVppReply<?>> completableFuture;
 
         synchronized(requests) {
-            completableFuture = (java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<?>>) requests.get(reply.getCtxId());
+            completableFuture = (java.util.concurrent.CompletableFuture<io.fd.vpp.jvpp.dto.JVppReply<?>>) requests.get(reply.getCtxId());
         }
 
         if(completableFuture != null) {
@@ -60,19 +209,19 @@ public final class FutureJVpp${plugin_name}FacadeCallback implements $plugin_pac
 
     @Override
     @SuppressWarnings("unchecked")
-    public void onControlPingReply(final $base_package.$dto_package.ControlPingReply reply) {
-        java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<?>> completableFuture;
+    public void onControlPingReply(final io.fd.vpp.jvpp.dto.ControlPingReply reply) {
+        java.util.concurrent.CompletableFuture<io.fd.vpp.jvpp.dto.JVppReply<?>> completableFuture;
 
         final int replyId = reply.context;
         synchronized(requests) {
-            completableFuture = (java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<?>>) requests.get(replyId);
+            completableFuture = (java.util.concurrent.CompletableFuture<io.fd.vpp.jvpp.dto.JVppReply<?>>) requests.get(replyId);
 
             if(completableFuture != null) {
                 // Finish dump call
-                if (completableFuture instanceof $base_package.$future_package.AbstractFutureJVppInvoker.CompletableDumpFuture) {
-                    completableFuture.complete((($base_package.$future_package.AbstractFutureJVppInvoker.CompletableDumpFuture) completableFuture).getReplyDump());
+                if (completableFuture instanceof io.fd.vpp.jvpp.future.AbstractFutureJVppInvoker.CompletableDumpFuture) {
+                    completableFuture.complete(((io.fd.vpp.jvpp.future.AbstractFutureJVppInvoker.CompletableDumpFuture) completableFuture).getReplyDump());
                     // Remove future mapped to dump call context id
-                    requests.remove((($base_package.$future_package.AbstractFutureJVppInvoker.CompletableDumpFuture) completableFuture).getContextId());
+                    requests.remove(((io.fd.vpp.jvpp.future.AbstractFutureJVppInvoker.CompletableDumpFuture) completableFuture).getContextId());
                 } else {
                     // reply to regular control ping, complete the future
                     completableFuture.complete(reply);
@@ -91,269 +240,99 @@ $methods
 }
 """)
 
-jvpp_facade_callback_method_template = Template("""
+
+def _generate_future_jvpp_callback_methods(model):
+    methods = []
+    for msg in model.messages:
+        if is_control_ping(msg) or is_control_ping_reply(msg):
+            # Skip control_ping managed by jvpp registry.
+            continue
+        if is_dump(msg) or is_request(msg):
+            continue
+
+        # Generate callbacks for all messages except for dumps and requests (handled by vpp, not client).
+        template = None
+        request_dto = None
+        if is_details(msg):
+            template = _FUTURE_JVPP_FACADE_DETAILS_CALLBACK_TEMPLATE
+            request_dto = msg.request_java
+        elif is_reply(msg):
+            template = _FUTURE_JVPP_FACADE_REPLY_CALLBACK_TEMPLATE
+            request_dto = msg.request_java
+        elif is_event(msg):
+            template = _FUTURE_JVPP_FACADE_EVENT_CALLBACK_TEMPLATE
+        else:
+            raise TypeError("Unknown message type %s", msg)
+
+        methods.append(template.substitute(
+            plugin_package=model.plugin_package,
+            callback_dto=msg.java_name_upper,
+            request_dto=request_dto,
+            callback_dto_field=msg.java_name_lower,
+        ))
+    return "".join(methods)
+
+
+_FUTURE_JVPP_FACADE_DETAILS_CALLBACK_TEMPLATE = Template("""
     @Override
     @SuppressWarnings("unchecked")
-    public void on$callback_dto(final $plugin_package.$dto_package.$callback_dto reply) {
-        java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<$plugin_package.$dto_package.$request_dto>> completableFuture;
+    public void on$callback_dto(final $plugin_package.dto.$callback_dto reply) {
+        io.fd.vpp.jvpp.future.AbstractFutureJVppInvoker.CompletableDumpFuture<$plugin_package.dto.${callback_dto}ReplyDump> completableFuture;
         final int replyId = reply.context;
         if (LOG.isLoggable(java.util.logging.Level.FINE)) {
             LOG.fine(String.format("Received $callback_dto event message: %s", reply));
         }
         synchronized(requests) {
-            completableFuture =
-            (java.util.concurrent.CompletableFuture<$base_package.$dto_package.JVppReply<$plugin_package.$dto_package.$request_dto>>) requests.get(replyId);
+            completableFuture = (io.fd.vpp.jvpp.future.AbstractFutureJVppInvoker.CompletableDumpFuture<$plugin_package.dto.${callback_dto}ReplyDump>) requests.get(replyId);
 
-            if(completableFuture != null) {
-                // received reply on request, complete future created by sender and remove it from map
-                completableFuture.complete(reply);
-                requests.remove(replyId);
-            } else {
+            if(completableFuture == null) {
                 // reply received before writer created future,
-                // create new future, complete it and put into map to
-                // notify sender that reply is already received
-                completableFuture = new  java.util.concurrent.CompletableFuture<>();
-                completableFuture.complete(reply);
+                // create new future, and put into map to notify sender that reply is already received,
+                // following details replies will add information to this future
+                completableFuture = new io.fd.vpp.jvpp.future.AbstractFutureJVppInvoker.CompletableDumpFuture<>(replyId,
+                    new $plugin_package.dto.${callback_dto}ReplyDump());
                 requests.put(replyId, completableFuture);
             }
+            completableFuture.getReplyDump().$callback_dto_field.add(reply);
         }
     }
 """)
 
-jvpp_facade_callback_notification_method_template = Template("""
-    @Override
-    public void on$callback_dto($plugin_package.$dto_package.$callback_dto notification) {
-        if (LOG.isLoggable(java.util.logging.Level.FINE)) {
-            LOG.fine(String.format("Received $callback_dto event message: %s", notification));
-        }
-        notificationCallback.on$callback_dto(notification);
-    }
-""")
-
-jvpp_facade_details_callback_method_template = Template("""
+_FUTURE_JVPP_FACADE_REPLY_CALLBACK_TEMPLATE = Template("""
     @Override
     @SuppressWarnings("unchecked")
-    public void on$callback_dto(final $plugin_package.$dto_package.$callback_dto reply) {
-        $base_package.$future_package.AbstractFutureJVppInvoker.CompletableDumpFuture<$plugin_package.$dto_package.$callback_dto_reply_dump> completableFuture;
+    public void on$callback_dto(final $plugin_package.dto.$callback_dto reply) {
+        java.util.concurrent.CompletableFuture<io.fd.vpp.jvpp.dto.JVppReply<$plugin_package.dto.$request_dto>> completableFuture;
         final int replyId = reply.context;
         if (LOG.isLoggable(java.util.logging.Level.FINE)) {
             LOG.fine(String.format("Received $callback_dto event message: %s", reply));
         }
         synchronized(requests) {
-            completableFuture = ($base_package.$future_package.AbstractFutureJVppInvoker.CompletableDumpFuture<$plugin_package.$dto_package.$callback_dto_reply_dump>) requests.get(replyId);
+            completableFuture =
+            (java.util.concurrent.CompletableFuture<io.fd.vpp.jvpp.dto.JVppReply<$plugin_package.dto.$request_dto>>) requests.get(replyId);
 
-            if(completableFuture == null) {
+            if(completableFuture != null) {
+                // received reply on request, complete future created by sender and remove it from map
+                completableFuture.complete(reply);
+                requests.remove(replyId);
+            } else {
                 // reply received before writer created future,
-                // create new future, and put into map to notify sender that reply is already received,
-                // following details replies will add information to this future
-                completableFuture = new $base_package.$future_package.AbstractFutureJVppInvoker.CompletableDumpFuture<>(replyId,
-                    new $plugin_package.$dto_package.$callback_dto_reply_dump());
+                // create new future, complete it and put into map to
+                // notify sender that reply is already received
+                completableFuture = new  java.util.concurrent.CompletableFuture<>();
+                completableFuture.complete(reply);
                 requests.put(replyId, completableFuture);
             }
-            completableFuture.getReplyDump().$callback_dto_field.add(reply);
         }
     }
 """)
 
-
-def generate_jvpp(func_list, base_package, plugin_package, plugin_name, dto_package, callback_package,
-                  notification_package, future_facade_package, inputfile, logger):
-    """ Generates JVpp interface and JNI implementation """
-    logger.debug("Generating JVpp future facade for %s" % inputfile)
-
-    if not os.path.exists(future_facade_package):
-        os.mkdir(future_facade_package)
-
-    methods = []
-    methods_impl = []
-
-    # Generate methods for sending messages.
-    for func in func_list:
-        camel_case_name_with_suffix = util.underscore_to_camelcase_upper(func['name'])
-
-        if util.is_control_ping(camel_case_name_with_suffix):
-            # Skip control ping managed by jvpp registry.
-            continue
-
-        # Process replies instead of requests (optimization).
-        if not util.is_reply(camel_case_name_with_suffix):
-            # Do not generate send methods for messages that do not have replies.
-            continue
-
-        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_reply_name = util.underscore_to_camelcase_upper(func['name'])
-            methods.append(future_jvpp_method_template.substitute(plugin_package=plugin_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_dump_method_impl_template.substitute(plugin_package=plugin_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.remove_reply_suffix(camel_case_name_with_suffix)
-
-            methods.append(future_jvpp_method_template.substitute(plugin_package=plugin_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(plugin_package=plugin_package,
-                                                                            dto_package=dto_package,
-                                                                            method_name=camel_case_request_method_name,
-                                                                            reply_name=camel_case_name_with_suffix,
-                                                                            request_name=request_name))
-
-    jvpp_file = open(os.path.join(future_facade_package, "FutureJVpp%s.java" % plugin_name), 'w')
-    jvpp_file.write(future_jvpp_template.substitute(inputfile=inputfile,
-                                                    base_package=base_package,
-                                                    plugin_package=plugin_package,
-                                                    plugin_name=plugin_name,
-                                                    notification_package=notification_package,
-                                                    methods="".join(methods),
-                                                    future_package=future_facade_package))
-    jvpp_file.flush()
-    jvpp_file.close()
-
-    jvpp_file = open(os.path.join(future_facade_package, "FutureJVpp%sFacade.java" % plugin_name), 'w')
-    jvpp_file.write(future_jvpp_facade_template.substitute(inputfile=inputfile,
-                                                           base_package=base_package,
-                                                           plugin_package=plugin_package,
-                                                           plugin_name=plugin_name,
-                                                           dto_package=dto_package,
-                                                           notification_package=notification_package,
-                                                           methods="".join(methods_impl),
-                                                           future_package=future_facade_package))
-    jvpp_file.flush()
-    jvpp_file.close()
-
-    generate_callback(func_list, base_package, plugin_package, plugin_name, dto_package, callback_package, notification_package, future_facade_package, inputfile)
-
-
-future_jvpp_template = Template('''
-package $plugin_package.$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 $inputfile
- * <br>(python representation of api file generated by vppapigen).
- */
-public interface FutureJVpp${plugin_name} extends $base_package.$future_package.FutureJVppInvoker {
-$methods
-
-    @Override
-    public $plugin_package.$notification_package.${plugin_name}EventRegistry getEventRegistry();
-
-}
-''')
-
-future_jvpp_method_template = Template('''
-    java.util.concurrent.CompletionStage<$plugin_package.$dto_package.$reply_name> $method_name($plugin_package.$dto_package.$request_name request);
-''')
-
-
-future_jvpp_facade_template = Template('''
-package $plugin_package.$future_package;
-
-/**
- * <p>Implementation of FutureJVpp based on AbstractFutureJVppInvoker
- * <br>It was generated by jvpp_future_facade_gen.py based on $inputfile
- * <br>(python representation of api file generated by vppapigen).
- */
-public class FutureJVpp${plugin_name}Facade extends $base_package.$future_package.AbstractFutureJVppInvoker implements FutureJVpp${plugin_name} {
-
-    private final $plugin_package.$notification_package.${plugin_name}EventRegistryImpl eventRegistry = new $plugin_package.$notification_package.${plugin_name}EventRegistryImpl();
-
-    /**
-     * <p>Create FutureJVpp${plugin_name}Facade object for provided JVpp instance.
-     * Constructor internally creates FutureJVppFacadeCallback class for processing callbacks
-     * and then connects to provided JVpp instance
-     *
-     * @param jvpp provided $base_package.JVpp instance
-     *
-     * @throws java.io.IOException in case instance cannot connect to JVPP
-     */
-    public FutureJVpp${plugin_name}Facade(final $base_package.JVppRegistry registry, final $base_package.JVpp jvpp) throws java.io.IOException {
-        super(jvpp, registry, new java.util.HashMap<>());
-        java.util.Objects.requireNonNull(registry, "JVppRegistry should not be null");
-        registry.register(jvpp, new FutureJVpp${plugin_name}FacadeCallback(getRequests(), eventRegistry));
-    }
-
+_FUTURE_JVPP_FACADE_EVENT_CALLBACK_TEMPLATE = Template("""
     @Override
-    public $plugin_package.$notification_package.${plugin_name}EventRegistry getEventRegistry() {
-        return eventRegistry;
-    }
-
-$methods
-}
-''')
-
-future_jvpp_method_impl_template = Template('''
-    @Override
-    public java.util.concurrent.CompletionStage<$plugin_package.$dto_package.$reply_name> $method_name($plugin_package.$dto_package.$request_name request) {
-        return send(request);
-    }
-''')
-
-future_jvpp_dump_method_impl_template = Template('''
-    @Override
-    public java.util.concurrent.CompletionStage<$plugin_package.$dto_package.$reply_name> $method_name($plugin_package.$dto_package.$request_name request) {
-        return send(request, new $plugin_package.$dto_package.$reply_name());
+    public void on$callback_dto($plugin_package.dto.$callback_dto notification) {
+        if (LOG.isLoggable(java.util.logging.Level.FINE)) {
+            LOG.fine(String.format("Received $callback_dto event message: %s", notification));
+        }
+        notificationCallback.on$callback_dto(notification);
     }
-''')
-
-
-def generate_callback(func_list, base_package, plugin_package, plugin_name, dto_package, callback_package, notification_package, future_facade_package, inputfile):
-    callbacks = []
-    for func in func_list:
-        camel_case_name_with_suffix = util.underscore_to_camelcase_upper(func['name'])
-
-        if util.is_control_ping(camel_case_name_with_suffix):
-            # Skip control ping managed by jvpp registry.
-            continue
-        if util.is_dump(func['name']) or util.is_request(func['name'], func_list):
-            continue
-
-        # Generate callbacks for all messages except for dumps and requests (handled by vpp, not client).
-        if util.is_details(camel_case_name_with_suffix):
-            # Callbacks for detail messages that append replies to a list.
-            camel_case_method_name = util.underscore_to_camelcase(func['name'])
-            camel_case_reply_name = util.underscore_to_camelcase_upper(func['name'])
-            callbacks.append(jvpp_facade_details_callback_method_template.substitute(base_package=base_package,
-                                                                                     plugin_package=plugin_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_reply_name + dto_gen.dump_dto_suffix,
-                                                                                     future_package=future_facade_package))
-        elif util.is_reply(camel_case_name_with_suffix):
-            request_dto = util.remove_reply_suffix(util.underscore_to_camelcase_upper(func['name']))
-            callbacks.append(jvpp_facade_callback_method_template.substitute(base_package=base_package,
-                                                                             plugin_package=plugin_package,
-                                                                             dto_package=dto_package,
-                                                                             callback_dto=camel_case_name_with_suffix,
-                                                                             request_dto=request_dto))
-        else:
-            callbacks.append(jvpp_facade_callback_notification_method_template.substitute(plugin_package=plugin_package,
-                                                                                          dto_package=dto_package,
-                                                                                          callback_dto=camel_case_name_with_suffix))
-
-    jvpp_file = open(os.path.join(future_facade_package, "FutureJVpp%sFacadeCallback.java" % plugin_name), 'w')
-    jvpp_file.write(jvpp_facade_callback_template.substitute(inputfile=inputfile,
-                                                             base_package=base_package,
-                                                             plugin_package=plugin_package,
-                                                             plugin_name=plugin_name,
-                                                             dto_package=dto_package,
-                                                             notification_package=notification_package,
-                                                             callback_package=callback_package,
-                                                             methods="".join(callbacks),
-                                                             future_package=future_facade_package))
-    jvpp_file.flush()
-    jvpp_file.close()
+""")