diff options
Diffstat (limited to 'framework/src/onos/core/api/src/main/java/org/onosproject/net/OchSignal.java')
| -rw-r--r-- | framework/src/onos/core/api/src/main/java/org/onosproject/net/OchSignal.java | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/OchSignal.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/OchSignal.java deleted file mode 100644 index 3adc9086..00000000 --- a/framework/src/onos/core/api/src/main/java/org/onosproject/net/OchSignal.java +++ /dev/null @@ -1,176 +0,0 @@ -/* - * 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 com.google.common.base.MoreObjects; -import org.onlab.util.Frequency; -import org.onlab.util.Spectrum; - -import java.util.Objects; - -import static com.google.common.base.Preconditions.checkArgument; -import static com.google.common.base.Preconditions.checkNotNull; - -/** - * Implementation of Lambda representing OCh (Optical Channel) Signal. - * - * <p> - * See ITU G.709 "Interfaces for the Optical Transport Network (OTN)". - * </p> - */ -public class OchSignal implements Lambda { - - public static final Frequency FLEX_GRID_SLOT = Frequency.ofGHz(12.5); - private static final GridType DEFAULT_OCH_GRIDTYPE = GridType.DWDM; - private static final ChannelSpacing DEFAULT_CHANNEL_SPACING = ChannelSpacing.CHL_50GHZ; - - - private final GridType gridType; - private final ChannelSpacing channelSpacing; - // Frequency = 193.1 THz + spacingMultiplier * channelSpacing - private final int spacingMultiplier; - // Slot width = slotGranularity * 12.5 GHz - private final int slotGranularity; - - /** - * Creates an instance with the specified arguments. - * It it recommended to use {@link Lambda#ochSignal(GridType, ChannelSpacing, int, int)} - * unless you want to use the concrete type, OchSignal, directly. - * - * @param gridType grid type - * @param channelSpacing channel spacing - * @param spacingMultiplier channel spacing multiplier - * @param slotGranularity slot width granularity - */ - public OchSignal(GridType gridType, ChannelSpacing channelSpacing, - int spacingMultiplier, int slotGranularity) { - this.gridType = checkNotNull(gridType); - this.channelSpacing = checkNotNull(channelSpacing); - // Negative values are permitted for spacingMultiplier - this.spacingMultiplier = spacingMultiplier; - checkArgument(slotGranularity > 0, "slotGranularity must be larger than 0, received %s", slotGranularity); - this.slotGranularity = slotGranularity; - } - - /** - * Create OCh signal from channel number. - * - * @param channel channel number - * @param maxFrequency maximum frequency - * @param grid grid spacing frequency - */ - public OchSignal(int channel, Frequency maxFrequency, Frequency grid) { - // Calculate center frequency - Frequency centerFrequency = maxFrequency.subtract(grid.multiply(channel - 1)); - - this.gridType = DEFAULT_OCH_GRIDTYPE; - this.channelSpacing = DEFAULT_CHANNEL_SPACING; - this.spacingMultiplier = (int) (centerFrequency.subtract(Spectrum.CENTER_FREQUENCY).asHz() / grid.asHz()); - this.slotGranularity = (int) Math.round((double) grid.asHz() / ChannelSpacing.CHL_12P5GHZ.frequency().asHz()); - } - - public OchSignal(Frequency centerFrequency, ChannelSpacing channelSpacing, int slotGranularity) { - this.gridType = DEFAULT_OCH_GRIDTYPE; - this.channelSpacing = channelSpacing; - this.spacingMultiplier = (int) Math.round((double) centerFrequency. - subtract(Spectrum.CENTER_FREQUENCY).asHz() / channelSpacing().frequency().asHz()); - this.slotGranularity = slotGranularity; - } - - /** - * Returns grid type. - * - * @return grid type - */ - public GridType gridType() { - return gridType; - } - - /** - * Returns channel spacing. - * - * @return channel spacing - */ - public ChannelSpacing channelSpacing() { - return channelSpacing; - } - - /** - * Returns spacing multiplier. - * - * @return spacing multiplier - */ - public int spacingMultiplier() { - return spacingMultiplier; - } - - /** - * Returns slow width granularity. - * - * @return slow width granularity - */ - public int slotGranularity() { - return slotGranularity; - } - - /** - * Returns central frequency in MHz. - * - * @return frequency in MHz - */ - public Frequency centralFrequency() { - return Spectrum.CENTER_FREQUENCY.add(channelSpacing().frequency().multiply(spacingMultiplier)); - } - - /** - * Returns slot width. - * - * @return slot width - */ - public Frequency slotWidth() { - return FLEX_GRID_SLOT.multiply(slotGranularity); - } - - @Override - public int hashCode() { - return Objects.hash(gridType, channelSpacing, spacingMultiplier, slotGranularity); - } - - @Override - public boolean equals(Object obj) { - if (this == obj) { - return true; - } - if (!(obj instanceof OchSignal)) { - return false; - } - final OchSignal other = (OchSignal) obj; - return Objects.equals(this.gridType, other.gridType) - && Objects.equals(this.channelSpacing, other.channelSpacing) - && Objects.equals(this.spacingMultiplier, other.spacingMultiplier) - && Objects.equals(this.slotGranularity, other.slotGranularity); - } - - @Override - public String toString() { - return MoreObjects.toStringHelper(this) - .add("gridType", gridType) - .add("channelSpacing", channelSpacing) - .add("spacingMultiplier", spacingMultiplier) - .add("slotGranularity", slotGranularity) - .toString(); - } -} |