Performacne improvements via adding a netty-based openflowj and openflow plugin;...

[controller.git] / third-party / openflowj_netty / src / main / java / org / openflow / protocol / factory / OFVendorActionRegistry.java

diff --git a/third-party/openflowj_netty/src/main/java/org/openflow/protocol/factory/OFVendorActionRegistry.java b/third-party/openflowj_netty/src/main/java/org/openflow/protocol/factory/OFVendorActionRegistry.java
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+++ b/third-party/openflowj_netty/src/main/java/org/openflow/protocol/factory/OFVendorActionRegistry.java
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+/**
+ *    Copyright 2013, Big Switch Networks, Inc.
+ *
+ *    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
+ *
+ *         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.
+ **/
+
+package org.openflow.protocol.factory;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+/** Singleton registry object that holds a mapping from vendor ids to vendor-specific
+ *  mapping factories. Threadsafe.
+ *
+ * @author Andreas Wundsam <andreas.wundsam@bigswitch.com>
+ */
+public class OFVendorActionRegistry {
+    private static class InstanceHolder {
+        private final static OFVendorActionRegistry instance = new OFVendorActionRegistry();
+    }
+
+    public static OFVendorActionRegistry getInstance() {
+        return InstanceHolder.instance;
+    }
+    private final Map <Integer, OFVendorActionFactory> vendorActionFactories;
+
+    public OFVendorActionRegistry() {
+        vendorActionFactories = new ConcurrentHashMap<Integer, OFVendorActionFactory>();
+    }
+
+    public OFVendorActionFactory register(int vendorId, OFVendorActionFactory factory) {
+        return vendorActionFactories.put(vendorId, factory);
+    }
+
+    public OFVendorActionFactory get(int vendorId) {
+        return vendorActionFactories.get(vendorId);
+    }
+
+
+}