decoupling extension types from of protocol
numbers renaming extension instruction to
extension treatment
Change-Id: Ie949d6235c2a5a984f7c7867262f8336721f1ee7
diff --git a/core/api/src/main/java/org/onosproject/net/flow/instructions/ExtensionTreatment.java b/core/api/src/main/java/org/onosproject/net/flow/instructions/ExtensionTreatment.java
new file mode 100644
index 0000000..0e8885e
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/flow/instructions/ExtensionTreatment.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.net.flow.instructions;
+
+import java.util.List;
+
+/**
+ * An extensible instruction type.
+ */
+public interface ExtensionTreatment {
+
+ /**
+ * Gets the type of the extension instruction.
+ *
+ * @return type
+ */
+ ExtensionTreatmentType type();
+
+ /**
+ * Sets a property on the extension instruction.
+ *
+ * @param key property key
+ * @param value value to set for the given key
+ * @param <T> class of the value
+ * @throws ExtensionPropertyException if the given key is not a valid
+ * property on this extension instruction
+ */
+ <T> void setPropertyValue(String key, T value) throws ExtensionPropertyException;
+
+ /**
+ * Gets a property value of an extension instruction.
+ *
+ * @param key property key
+ * @param <T> class of the value
+ * @return value of the property
+ * @throws ExtensionPropertyException if the given key is not a valid
+ * property on this extension instruction
+ */
+ <T> T getPropertyValue(String key) throws ExtensionPropertyException;
+
+ /**
+ * Gets a list of all properties on the extension instruction.
+ *
+ * @return list of properties
+ */
+ List<String> getProperties();
+
+ /**
+ * Serialize the extension instruction to a byte array.
+ *
+ * @return byte array
+ */
+ byte[] serialize();
+
+ /**
+ * Deserialize the extension instruction from a byte array. The properties
+ * of this object will be overwritten with the data in the byte array.
+ *
+ * @param data input byte array
+ */
+ void deserialize(byte[] data);
+
+
+}