1 files changed, 44 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/ChannelSpacing.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/ChannelSpacing.java
new file mode 100644
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+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/ChannelSpacing.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;
+
+import org.onlab.util.Frequency;
+
+/**
+ * Represents interval frequency between two neighboring wavelengths.
+ */
+public enum ChannelSpacing {
+    CHL_100GHZ(100),        // 100 GHz
+    CHL_50GHZ(50),          // 50 GHz
+    CHL_25GHZ(25),          // 25 GHz
+    CHL_12P5GHZ(12.5),      // 12.5 GHz
+    CHL_6P25GHZ(6.5);       // 6.25 GHz
+
+    private final Frequency frequency;
+
+    /**
+     * Creates an instance with the specified interval in GHz.
+     *
+     * @param value interval of neighboring wavelengths in GHz.
+     */
+    ChannelSpacing(double value) {
+        this.frequency = Frequency.ofGHz(value);
+    }
+
+    public Frequency frequency() {
+        return frequency;
+    }
+}