| /* |
| * 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.intent; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.common.collect.ImmutableSet; |
| |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| |
| import java.util.Collections; |
| import java.util.Set; |
| import java.util.List; |
| |
| 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 final 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 key intent key |
| * @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 |
| * @param constraints constraints to apply to the intent |
| * @param priority priority to use for flows generated by this intent |
| * @throws NullPointerException if {@code ingressPoint} or |
| * {@code egressPoints} is null |
| * @throws IllegalArgumentException if the size of {@code egressPoints} is |
| * not more than 1 |
| */ |
| private SinglePointToMultiPointIntent(ApplicationId appId, |
| Key key, |
| TrafficSelector selector, TrafficTreatment treatment, |
| ConnectPoint ingressPoint, Set<ConnectPoint> egressPoints, |
| List<Constraint> constraints, |
| int priority) { |
| super(appId, key, Collections.emptyList(), selector, treatment, constraints, |
| priority); |
| checkNotNull(egressPoints); |
| checkNotNull(ingressPoint); |
| checkArgument(!egressPoints.isEmpty(), "Egress point set cannot be empty"); |
| checkArgument(!egressPoints.contains(ingressPoint), |
| "Set of egresses should not contain ingress (ingress: %s)", ingressPoint); |
| |
| this.ingressPoint = checkNotNull(ingressPoint); |
| this.egressPoints = egressPoints; |
| } |
| |
| /** |
| * Returns a new single point to multi point intent builder. The application id, |
| * ingress point and egress points are required fields. If they are |
| * not set by calls to the appropriate methods, an exception will |
| * be thrown. |
| * |
| * @return single point to multi point builder |
| */ |
| public static Builder builder() { |
| return new Builder(); |
| } |
| |
| /** |
| * Builder of a single point to multi point intent. |
| */ |
| public static final class Builder extends ConnectivityIntent.Builder { |
| ConnectPoint ingressPoint; |
| Set<ConnectPoint> egressPoints; |
| |
| private Builder() { |
| // Hide constructor |
| } |
| |
| @Override |
| public Builder appId(ApplicationId appId) { |
| return (Builder) super.appId(appId); |
| } |
| |
| @Override |
| public Builder key(Key key) { |
| return (Builder) super.key(key); |
| } |
| |
| @Override |
| public Builder selector(TrafficSelector selector) { |
| return (Builder) super.selector(selector); |
| } |
| |
| @Override |
| public Builder treatment(TrafficTreatment treatment) { |
| return (Builder) super.treatment(treatment); |
| } |
| |
| @Override |
| public Builder constraints(List<Constraint> constraints) { |
| return (Builder) super.constraints(constraints); |
| } |
| |
| @Override |
| public Builder priority(int priority) { |
| return (Builder) super.priority(priority); |
| } |
| |
| /** |
| * Sets the ingress point of the single point to multi point intent |
| * that will be built. |
| * |
| * @param ingressPoint ingress connect point |
| * @return this builder |
| */ |
| public Builder ingressPoint(ConnectPoint ingressPoint) { |
| this.ingressPoint = ingressPoint; |
| return this; |
| } |
| |
| /** |
| * Sets the egress points of the single point to multi point intent |
| * that will be built. |
| * |
| * @param egressPoints egress connect points |
| * @return this builder |
| */ |
| public Builder egressPoints(Set<ConnectPoint> egressPoints) { |
| this.egressPoints = ImmutableSet.copyOf(egressPoints); |
| return this; |
| } |
| |
| /** |
| * Builds a single point to multi point intent from the |
| * accumulated parameters. |
| * |
| * @return point to point intent |
| */ |
| public SinglePointToMultiPointIntent build() { |
| |
| return new SinglePointToMultiPointIntent( |
| appId, |
| key, |
| selector, |
| treatment, |
| ingressPoint, |
| egressPoints, |
| constraints, |
| priority |
| ); |
| } |
| } |
| |
| /** |
| * 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("key", key()) |
| .add("appId", appId()) |
| .add("priority", priority()) |
| .add("resources", resources()) |
| .add("selector", selector()) |
| .add("treatment", treatment()) |
| .add("ingress", ingressPoint) |
| .add("egress", egressPoints) |
| .add("constraints", constraints()) |
| .toString(); |
| } |
| |
| } |