1 files changed, 139 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/instructions/L0ModificationInstruction.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/instructions/L0ModificationInstruction.java
new file mode 100644
index 00000000..a6e5903c
--- /dev/null
+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/instructions/L0ModificationInstruction.java
@@ -0,0 +1,139 @@
+/*
+ * Copyright 2014-2015 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 com.google.common.base.MoreObjects;
+import org.onosproject.net.OchSignal;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+import java.util.Objects;
+
+public abstract class L0ModificationInstruction implements Instruction {
+
+    /**
+     * Represents the type of traffic treatment.
+     */
+    public enum L0SubType {
+        /**
+         * Lambda modification.
+         */
+        LAMBDA,
+        /**
+         * OCh (Optical Channel) modification.
+         */
+        OCH,
+    }
+
+    public abstract L0SubType subtype();
+
+    @Override
+    public final Type type() {
+        return Type.L0MODIFICATION;
+    }
+
+    /**
+     * Represents a L0 lambda modification instruction.
+     */
+    public static final class ModLambdaInstruction extends L0ModificationInstruction {
+
+        private final L0SubType subtype;
+        private final short lambda;
+
+        ModLambdaInstruction(L0SubType subType, short lambda) {
+            this.subtype = subType;
+            this.lambda = lambda;
+        }
+
+        @Override
+        public L0SubType subtype() {
+            return this.subtype;
+        }
+
+        public short lambda() {
+            return this.lambda;
+        }
+
+        @Override
+        public String toString() {
+            return toStringHelper(subtype().toString())
+                    .add("lambda", lambda).toString();
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(type(), subtype, lambda);
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (obj instanceof ModLambdaInstruction) {
+                ModLambdaInstruction that = (ModLambdaInstruction) obj;
+                return  Objects.equals(lambda, that.lambda) &&
+                        Objects.equals(subtype, that.subtype);
+            }
+            return false;
+        }
+    }
+
+    /**
+     * Represents an L0 OCh (Optical Channel) modification instruction.
+     */
+    public static final class ModOchSignalInstruction extends L0ModificationInstruction {
+
+        private final OchSignal lambda;
+
+        ModOchSignalInstruction(OchSignal lambda) {
+            this.lambda = lambda;
+        }
+
+        @Override
+        public L0SubType subtype() {
+            return L0SubType.OCH;
+        }
+
+        public OchSignal lambda() {
+            return lambda;
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(lambda);
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (!(obj instanceof ModOchSignalInstruction)) {
+                return false;
+            }
+            final ModOchSignalInstruction that = (ModOchSignalInstruction) obj;
+            return Objects.equals(this.lambda, that.lambda);
+        }
+
+        @Override
+        public String toString() {
+            return MoreObjects.toStringHelper(this)
+                    .add("lambda", lambda)
+                    .toString();
+        }
+    }
+}