| package org.onlab.onos.net.intent; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.common.collect.Sets; |
| import org.onlab.onos.net.ConnectPoint; |
| import org.onlab.onos.net.flow.TrafficSelector; |
| import org.onlab.onos.net.flow.TrafficTreatment; |
| |
| import java.util.Objects; |
| import java.util.Set; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Abstraction of multiple source to single destination connectivity intent. |
| */ |
| public class MultiPointToSinglePointIntent extends ConnectivityIntent { |
| |
| private final Set<ConnectPoint> ingressPoints; |
| private final ConnectPoint egressPoint; |
| |
| /** |
| * Creates a new multi-to-single point connectivity intent for the specified |
| * traffic match and action. |
| * |
| * @param id intent identifier |
| * @param match traffic match |
| * @param action action |
| * @param ingressPoints set of ports from which ingress traffic originates |
| * @param egressPoint port to which traffic will egress |
| * @throws NullPointerException if {@code ingressPoints} or |
| * {@code egressPoint} is null. |
| * @throws IllegalArgumentException if the size of {@code ingressPoints} is |
| * not more than 1 |
| */ |
| public MultiPointToSinglePointIntent(IntentId id, TrafficSelector match, |
| TrafficTreatment action, |
| Set<ConnectPoint> ingressPoints, |
| ConnectPoint egressPoint) { |
| super(id, match, action); |
| |
| checkNotNull(ingressPoints); |
| checkArgument(!ingressPoints.isEmpty(), |
| "there should be at least one ingress port"); |
| |
| this.ingressPoints = Sets.newHashSet(ingressPoints); |
| this.egressPoint = checkNotNull(egressPoint); |
| } |
| |
| /** |
| * Constructor for serializer. |
| */ |
| protected MultiPointToSinglePointIntent() { |
| super(); |
| this.ingressPoints = null; |
| this.egressPoint = null; |
| } |
| |
| /** |
| * Returns the set of ports on which ingress traffic should be connected to |
| * the egress port. |
| * |
| * @return set of ingress ports |
| */ |
| public Set<ConnectPoint> ingressPoints() { |
| return ingressPoints; |
| } |
| |
| /** |
| * Returns the port on which the traffic should egress. |
| * |
| * @return egress port |
| */ |
| public ConnectPoint egressPoint() { |
| return egressPoint; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| if (!super.equals(o)) { |
| return false; |
| } |
| |
| MultiPointToSinglePointIntent that = (MultiPointToSinglePointIntent) o; |
| return Objects.equals(this.ingressPoints, that.ingressPoints) |
| && Objects.equals(this.egressPoint, that.egressPoint); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(super.hashCode(), ingressPoints, egressPoint); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("id", id()) |
| .add("match", selector()) |
| .add("action", treatment()) |
| .add("ingressPoints", ingressPoints()) |
| .add("egressPoint", egressPoint()) |
| .toString(); |
| } |
| } |