| /* |
| * 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; |
| |
| import java.util.Objects; |
| |
| import static com.google.common.base.MoreObjects.toStringHelper; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Implementation of OMS port (Optical Multiplexing Section). |
| * Also referred to as a WDM port or W-port. |
| * See ITU G.709 "Interfaces for the Optical Transport Network (OTN)" |
| * |
| * Assumes we only support fixed grid for now. |
| */ |
| public class OmsPort extends DefaultPort { |
| |
| private final Frequency minFrequency; // Minimum frequency |
| private final Frequency maxFrequency; // Maximum frequency |
| private final Frequency grid; // Grid spacing frequency |
| |
| |
| /** |
| * Creates an OMS port in the specified network element. |
| * |
| * @param element parent network element |
| * @param number port number |
| * @param isEnabled port enabled state |
| * @param minFrequency minimum frequency |
| * @param maxFrequency maximum frequency |
| * @param grid grid spacing frequency |
| * @param annotations optional key/value annotations |
| */ |
| public OmsPort(Element element, PortNumber number, boolean isEnabled, |
| Frequency minFrequency, Frequency maxFrequency, Frequency grid, Annotations... annotations) { |
| super(element, number, isEnabled, Type.OMS, 0, annotations); |
| this.minFrequency = checkNotNull(minFrequency); |
| this.maxFrequency = checkNotNull(maxFrequency); |
| this.grid = checkNotNull(grid); |
| } |
| |
| /** |
| * Returns the total number of channels on the port. |
| * |
| * @return total number of channels |
| */ |
| public short totalChannels() { |
| Frequency diff = maxFrequency.subtract(minFrequency); |
| return (short) (diff.asHz() / grid.asHz()); |
| } |
| |
| /** |
| * Returns the minimum frequency. |
| * |
| * @return minimum frequency |
| */ |
| public Frequency minFrequency() { |
| return minFrequency; |
| } |
| |
| /** |
| * Returns the maximum frequency. |
| * |
| * @return maximum frequency |
| */ |
| public Frequency maxFrequency() { |
| return maxFrequency; |
| } |
| |
| /** |
| * Returns the grid spacing frequency. |
| * |
| * @return grid spacing frequency |
| */ |
| public Frequency grid() { |
| return grid; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(number(), isEnabled(), type(), |
| minFrequency, maxFrequency, grid, annotations()); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj != null && getClass() == obj.getClass()) { |
| final OmsPort other = (OmsPort) obj; |
| return Objects.equals(this.element().id(), other.element().id()) && |
| Objects.equals(this.number(), other.number()) && |
| Objects.equals(this.isEnabled(), other.isEnabled()) && |
| Objects.equals(this.minFrequency, other.minFrequency) && |
| Objects.equals(this.maxFrequency, other.maxFrequency) && |
| Objects.equals(this.grid, other.grid) && |
| Objects.equals(this.annotations(), other.annotations()); |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| return toStringHelper(this) |
| .add("element", element().id()) |
| .add("number", number()) |
| .add("isEnabled", isEnabled()) |
| .add("type", type()) |
| .add("minFrequency", minFrequency) |
| .add("maxFrequency", maxFrequency) |
| .add("grid", grid) |
| .toString(); |
| } |
| |
| } |