| /* |
| * Copyright 2014-2015 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.resource.link; |
| |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.Objects; |
| import java.util.stream.Collectors; |
| |
| import com.google.common.annotations.Beta; |
| import com.google.common.collect.ImmutableMap; |
| import org.onlab.util.Bandwidth; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.intent.Constraint; |
| import org.onosproject.net.intent.IntentId; |
| |
| import org.onosproject.net.intent.constraint.BandwidthConstraint; |
| import org.onosproject.net.intent.constraint.LambdaConstraint; |
| import org.onosproject.net.resource.ResourceRequest; |
| import org.onosproject.net.resource.ResourceType; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Implementation of {@link LinkResourceRequest}. |
| * |
| * @deprecated in Emu Release |
| */ |
| @Deprecated |
| public final class DefaultLinkResourceRequest implements LinkResourceRequest { |
| |
| private final IntentId intentId; |
| protected final Map<Link, Set<ResourceRequest>> requests; |
| |
| /** |
| * Creates a new link resource request with the specified Intent ID, |
| * and resource requests over links. |
| * |
| * @param intentId intent ID associated with this request |
| * @param requests resource requests over links |
| */ |
| private DefaultLinkResourceRequest(IntentId intentId, Map<Link, Set<ResourceRequest>> requests) { |
| this.intentId = checkNotNull(intentId); |
| this.requests = checkNotNull(ImmutableMap.copyOf(requests)); |
| } |
| |
| @Override |
| public ResourceType type() { |
| return null; |
| } |
| |
| @Override |
| public IntentId intentId() { |
| return intentId; |
| } |
| |
| @Override |
| public Collection<Link> links() { |
| return requests.keySet(); |
| } |
| |
| @Override |
| public Set<ResourceRequest> resources() { |
| return requests.values().stream() |
| .flatMap(Collection::stream) |
| .collect(Collectors.toSet()); |
| } |
| |
| @Override |
| public Set<ResourceRequest> resources(Link link) { |
| return requests.get(link); |
| } |
| |
| /** |
| * Returns builder of link resource request. |
| * |
| * @param intentId intent ID related to this request |
| * @param links a set of links for the request |
| * @return builder of link resource request |
| */ |
| public static LinkResourceRequest.Builder builder( |
| IntentId intentId, Collection<Link> links) { |
| return new Builder(intentId, links); |
| } |
| |
| /** |
| * Builder of link resource request. |
| */ |
| public static final class Builder implements LinkResourceRequest.Builder { |
| private IntentId intentId; |
| private Map<Link, Set<ResourceRequest>> requests; |
| |
| /** |
| * Creates a new link resource request. |
| * |
| * @param intentId intent ID related to this request |
| * @param links a set of links for the request |
| */ |
| private Builder(IntentId intentId, Collection<Link> links) { |
| this.intentId = intentId; |
| this.requests = new HashMap<>(); |
| for (Link link : links) { |
| requests.put(link, new HashSet<>()); |
| } |
| } |
| |
| /** |
| * Adds lambda request. |
| * |
| * @return self |
| * @deprecated in Emu Release |
| */ |
| @Deprecated |
| @Override |
| public Builder addLambdaRequest() { |
| for (Link link : requests.keySet()) { |
| requests.get(link).add(new LambdaResourceRequest()); |
| } |
| return this; |
| } |
| |
| @Beta |
| @Override |
| public LinkResourceRequest.Builder addLambdaRequest(LambdaResource lambda) { |
| for (Link link : requests.keySet()) { |
| requests.get(link).add(new LambdaResourceRequest(lambda)); |
| } |
| return this; |
| } |
| |
| /** |
| * Adds Mpls request. |
| * |
| * @return self |
| * @deprecated in Emu Release |
| */ |
| @Deprecated |
| @Override |
| public Builder addMplsRequest() { |
| for (Link link : requests.keySet()) { |
| requests.get(link).add(new MplsLabelResourceRequest()); |
| } |
| return this; |
| } |
| |
| @Beta |
| @Override |
| public Builder addMplsRequest(MplsLabel label) { |
| for (Link link : requests.keySet()) { |
| requests.get(link).add(new MplsLabelResourceRequest(label)); |
| } |
| return this; |
| } |
| |
| @Beta |
| @Override |
| public LinkResourceRequest.Builder addMplsRequest(Map<Link, MplsLabel> labels) { |
| for (Link link : labels.keySet()) { |
| if (!requests.containsKey(link)) { |
| requests.put(link, new HashSet<>()); |
| } |
| requests.get(link).add(new MplsLabelResourceRequest(labels.get(link))); |
| } |
| |
| return this; |
| } |
| |
| /** |
| * Adds bandwidth request with bandwidth value. |
| * |
| * @param bandwidth bandwidth value in bits per second to be requested |
| * @return self |
| */ |
| @Override |
| public Builder addBandwidthRequest(double bandwidth) { |
| for (Link link : requests.keySet()) { |
| requests.get(link).add(new BandwidthResourceRequest(new BandwidthResource(Bandwidth.bps(bandwidth)))); |
| } |
| return this; |
| } |
| |
| @Override |
| public LinkResourceRequest.Builder addConstraint(Constraint constraint) { |
| if (constraint instanceof LambdaConstraint) { |
| return addLambdaRequest(); |
| } else if (constraint instanceof BandwidthConstraint) { |
| BandwidthConstraint bw = (BandwidthConstraint) constraint; |
| return addBandwidthRequest(bw.bandwidth().bps()); |
| } |
| return this; |
| } |
| |
| /** |
| * Returns link resource request. |
| * |
| * @return link resource request |
| */ |
| @Override |
| public LinkResourceRequest build() { |
| return new DefaultLinkResourceRequest(intentId, requests); |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(intentId, links()); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null || getClass() != obj.getClass()) { |
| return false; |
| } |
| final DefaultLinkResourceRequest other = (DefaultLinkResourceRequest) obj; |
| return Objects.equals(this.intentId, other.intentId) |
| && Objects.equals(this.links(), other.links()); |
| } |
| } |