| package org.onlab.onos.net.intent; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.common.collect.Sets; |
| import org.onlab.onos.ApplicationId; |
| import org.onlab.onos.net.ConnectPoint; |
| import org.onlab.onos.net.flow.TrafficSelector; |
| import org.onlab.onos.net.flow.TrafficTreatment; |
| |
| import java.util.Set; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Abstraction of single source, multiple destination connectivity intent. |
| */ |
| public class SinglePointToMultiPointIntent extends ConnectivityIntent { |
| |
| private final ConnectPoint ingressPoint; |
| private final Set<ConnectPoint> egressPoints; |
| |
| /** |
| * Creates a new single-to-multi point connectivity intent. |
| * |
| * @param appId application identifier |
| * @param selector traffic selector |
| * @param treatment treatment |
| * @param ingressPoint port on which traffic will ingress |
| * @param egressPoints set of ports on which traffic will egress |
| * @throws NullPointerException if {@code ingressPoint} or |
| * {@code egressPoints} is null |
| * @throws IllegalArgumentException if the size of {@code egressPoints} is |
| * not more than 1 |
| */ |
| public SinglePointToMultiPointIntent(ApplicationId appId, |
| TrafficSelector selector, |
| TrafficTreatment treatment, |
| ConnectPoint ingressPoint, |
| Set<ConnectPoint> egressPoints) { |
| super(id(SinglePointToMultiPointIntent.class, selector, treatment, |
| ingressPoint, egressPoints), appId, null, selector, treatment); |
| checkNotNull(egressPoints); |
| checkArgument(!egressPoints.isEmpty(), "Egress point set cannot be empty"); |
| this.ingressPoint = checkNotNull(ingressPoint); |
| this.egressPoints = Sets.newHashSet(egressPoints); |
| } |
| |
| /** |
| * Constructor for serializer. |
| */ |
| protected SinglePointToMultiPointIntent() { |
| super(); |
| this.ingressPoint = null; |
| this.egressPoints = null; |
| } |
| |
| /** |
| * Returns the port on which the ingress traffic should be connected to the egress. |
| * |
| * @return ingress port |
| */ |
| public ConnectPoint ingressPoint() { |
| return ingressPoint; |
| } |
| |
| /** |
| * Returns the set of ports on which the traffic should egress. |
| * |
| * @return set of egress ports |
| */ |
| public Set<ConnectPoint> egressPoints() { |
| return egressPoints; |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("id", id()) |
| .add("match", selector()) |
| .add("action", treatment()) |
| .add("ingressPoint", ingressPoint) |
| .add("egressPort", egressPoints) |
| .toString(); |
| } |
| |
| } |