1 files changed, 116 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/broker/ExchangeRegistry.cpp b/qpid/cpp/src/qpid/broker/ExchangeRegistry.cpp
new file mode 100644
index 0000000000..1c8d26c4f7
--- /dev/null
+++ b/qpid/cpp/src/qpid/broker/ExchangeRegistry.cpp
@@ -0,0 +1,116 @@
+/*
+ *
+ * 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 "qpid/broker/ExchangeRegistry.h"
+#include "qpid/broker/DirectExchange.h"
+#include "qpid/broker/FanOutExchange.h"
+#include "qpid/broker/HeadersExchange.h"
+#include "qpid/broker/TopicExchange.h"
+#include "qpid/management/ManagementDirectExchange.h"
+#include "qpid/management/ManagementTopicExchange.h"
+#include "qpid/framing/reply_exceptions.h"
+
+using namespace qpid::broker;
+using namespace qpid::sys;
+using std::pair;
+using std::string;
+using qpid::framing::FieldTable;
+
+pair<Exchange::shared_ptr, bool> ExchangeRegistry::declare(const string& name, const string& type){
+
+    return declare(name, type, false, FieldTable());
+}
+
+pair<Exchange::shared_ptr, bool> ExchangeRegistry::declare(const string& name, const string& type,
+                                                           bool durable, const FieldTable& args){
+    RWlock::ScopedWlock locker(lock);
+    ExchangeMap::iterator i =  exchanges.find(name);
+    if (i == exchanges.end()) {
+        Exchange::shared_ptr exchange;
+
+        if (type == TopicExchange::typeName){
+            exchange = Exchange::shared_ptr(new TopicExchange(name, durable, args, parent, broker));
+        }else if(type == DirectExchange::typeName){
+            exchange = Exchange::shared_ptr(new DirectExchange(name, durable, args, parent, broker));
+        }else if(type == FanOutExchange::typeName){
+            exchange = Exchange::shared_ptr(new FanOutExchange(name, durable, args, parent, broker));
+        }else if (type == HeadersExchange::typeName) {
+            exchange = Exchange::shared_ptr(new HeadersExchange(name, durable, args, parent, broker));
+        }else if (type == ManagementDirectExchange::typeName) {
+            exchange = Exchange::shared_ptr(new ManagementDirectExchange(name, durable, args, parent, broker));
+        }else if (type == ManagementTopicExchange::typeName) {
+            exchange = Exchange::shared_ptr(new ManagementTopicExchange(name, durable, args, parent, broker));
+        }else{
+            FunctionMap::iterator i =  factory.find(type);
+            if (i == factory.end()) {
+                throw UnknownExchangeTypeException();
+            } else {
+                exchange = i->second(name, durable, args, parent, broker);
+            }
+        }
+        exchanges[name] = exchange;
+        return std::pair<Exchange::shared_ptr, bool>(exchange, true);
+    } else {
+        return std::pair<Exchange::shared_ptr, bool>(i->second, false);
+    }
+}
+
+void ExchangeRegistry::destroy(const string& name){
+    if (name.empty() ||
+        (name.find("amq.") == 0 &&
+         (name == "amq.direct" || name == "amq.fanout" || name == "amq.topic" || name == "amq.match")) ||
+        name == "qpid.management")
+        throw framing::NotAllowedException(QPID_MSG("Cannot delete default exchange: '" << name << "'"));
+    RWlock::ScopedWlock locker(lock);
+    ExchangeMap::iterator i =  exchanges.find(name);
+    if (i != exchanges.end()) {
+        i->second->destroy();
+        exchanges.erase(i);
+    }
+}
+
+Exchange::shared_ptr ExchangeRegistry::get(const string& name){
+    RWlock::ScopedRlock locker(lock);
+    ExchangeMap::iterator i =  exchanges.find(name);
+    if (i == exchanges.end())
+        throw framing::NotFoundException(QPID_MSG("Exchange not found: " << name));
+    return i->second;
+}
+
+bool ExchangeRegistry::registerExchange(const Exchange::shared_ptr& ex) {
+    return exchanges.insert(ExchangeMap::value_type(ex->getName(), ex)).second;
+}
+
+void ExchangeRegistry::registerType(const std::string& type, FactoryFunction f)
+{
+    factory[type] = f;
+}
+
+
+namespace
+{
+const std::string empty;
+}
+
+Exchange::shared_ptr ExchangeRegistry::getDefault()
+{
+    return get(empty);
+}