Removed BodyHolder: minor performance improvement, opens the way for more efficient memory management.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@736783 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 58 insertions, 0 deletions

diff --git a/cpp/rubygen/framing.0-10/MethodBodyFactory.rb b/cpp/rubygen/framing.0-10/MethodBodyFactory.rb
new file mode 100644
index 0000000000..95c79fd1a4
--- /dev/null
+++ b/cpp/rubygen/framing.0-10/MethodBodyFactory.rb
@@ -0,0 +1,58 @@
+#!/usr/bin/env ruby
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, 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.
+#
+$: << ".."                      # Include .. in load path
+require 'cppgen'
+
+class MethodBodyFactoryGen < CppGen
+  
+  def initialize(outdir, amqp)
+    super(outdir, amqp)
+    @namespace="qpid::framing"
+    @classname="MethodBodyFactory"
+    @filename="qpid/framing/MethodBodyFactory"
+  end
+
+  def generate()
+    cpp_file(@filename) {
+      include @filename
+      include "qpid/framing/BodyFactory"
+      @amqp.methods_.each { |m| include "qpid/framing/#{m.body_name}" }
+      include "qpid/Exception.h"
+      genl
+      namespace(@namespace) {
+        scope("boost::intrusive_ptr<AMQMethodBody> #{@classname}::create(ClassId c, MethodId m) {") {
+          scope("switch (c) {") {
+            @amqp.classes.each { |c|
+              scope("case #{c.code}: switch(m) {") {
+                c.methods_.each { |m|
+                  genl "case #{m.code}: return BodyFactory::create<#{m.body_name}>();"
+                }
+                genl "default: throw Exception(QPID_MSG(\"Invalid method id \" << int(m) << \" for class #{c.name} \"));"
+              }
+              genl "break;"
+            }
+            genl "default: throw Exception(QPID_MSG(\"Invalid class id \" << int(c)));"
+          }
+        }
+      }}
+  end
+end
+
+MethodBodyFactoryGen.new($outdir, $amqp).generate();