drivers/odtn-driver/src/main/java/org/onosproject/drivers/odtn/openroadm/OpenRoadmCBandLambdaQuery.java

/*
 * Copyright 2018-present Open Networking Foundation
 *
 * 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.

 * This work was partially supported by EC H2020 project METRO-HAUL (761727).
 */
package org.onosproject.drivers.odtn.openroadm;

import com.google.common.collect.ImmutableSet;
import java.util.Set;
import java.util.stream.IntStream;
import org.onosproject.net.ChannelSpacing;
import org.onosproject.net.GridType;
import org.onosproject.net.OchSignal;
import org.onosproject.net.PortNumber;
import org.onosproject.net.behaviour.LambdaQuery;
import org.onosproject.net.driver.AbstractHandlerBehaviour;

/**
 * Abstract C-band DWDM plan lambda query.
 *
 */
public abstract class OpenRoadmCBandLambdaQuery
  extends AbstractHandlerBehaviour implements LambdaQuery {

    protected ChannelSpacing channelSpacing;
    protected int lambdaCount;
    protected int slotGranularity;

    @Override
    public Set<OchSignal> queryLambdas(PortNumber port) {
        return IntStream.range(0, lambdaCount)
          .mapToObj(
            x
            -> new OchSignal(GridType.DWDM, channelSpacing, x - (lambdaCount / 2), slotGranularity))
          .collect(ImmutableSet.toImmutableSet());
    }
}