Define Lambda interface representing wavelength and implementations
Two Lambda implementations are defined.
- IndexedLambda
- OchSignal
Change-Id: I36763390f61abd9f861e76edab63f558ae97e8a2
diff --git a/core/api/src/main/java/org/onosproject/net/Lambda.java b/core/api/src/main/java/org/onosproject/net/Lambda.java
new file mode 100644
index 0000000..d0995be
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/Lambda.java
@@ -0,0 +1,44 @@
+/*
+ * 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;
+
+/**
+ * Abstraction of wavelength. Currently, this is just a marker interface
+ */
+public interface Lambda {
+ /**
+ * Create an Lambda instance with the specified wavelength index number.
+ *
+ * @param lambda index number
+ * @return an instance
+ */
+ static Lambda indexedLambda(long lambda) {
+ return new IndexedLambda(lambda);
+ }
+
+ /**
+ * Creates a Lambda instance with the specified arguments.
+ *
+ * @param gridType grid type
+ * @param channelSpacing channel spacing
+ * @param spacingMultiplier channel spacing multiplier
+ * @param slotGranularity slot width granularity
+ */
+ static Lambda ochSignal(GridType gridType, ChannelSpacing channelSpacing,
+ int spacingMultiplier, int slotGranularity) {
+ return new OchSignal(gridType, channelSpacing, spacingMultiplier, slotGranularity);
+ }
+}