Power config API (ONOS-2866).
Change-Id: I50a405d63f95fa8024585c71885ac79dca7e7c78
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/PowerConfig.java b/core/api/src/main/java/org/onosproject/net/behaviour/PowerConfig.java
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+++ b/core/api/src/main/java/org/onosproject/net/behaviour/PowerConfig.java
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+/*
+ * Copyright 2016 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.behaviour;
+
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.driver.HandlerBehaviour;
+
+import java.util.Optional;
+
+/**
+ * Behavior for handling port power configurations.
+ *
+ * Power operations act on a network port and a component thereof.
+ * Supported components are either the full directed port ({@link org.onosproject.net.Direction})
+ * or a wavelength on a port ({@link org.onosproject.net.OchSignal}).
+ *
+ * Power levels are specified with a long and unit .01 dBm.
+ */
+public interface PowerConfig<T> extends HandlerBehaviour {
+
+ /**
+ * Get the target power on the component.
+ *
+ * @param port the port
+ * @param component the port component
+ * @return target power in .01 dBm
+ */
+ Optional<Long> getTargetPower(PortNumber port, T component);
+
+ /**
+ * Set the target power on the component.
+ *
+ *
+ * @param port the port
+ * @param component the port component
+ * @param power target power in .01 dBm
+ */
+ void setTargetPower(PortNumber port, T component, long power);
+
+ /**
+ * Get the current power on the component.
+ *
+ * @param port the port
+ * @param component the port component
+ * @return power power in .01 dBm
+ */
+ Optional<Long> currentPower(PortNumber port, T component);
+}