| /* |
| * Copyright 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 java.util.Collections; |
| import java.util.List; |
| |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| |
| import com.google.common.base.MoreObjects; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Abstraction of bidirectional connectivity between two points in the network. |
| */ |
| public final class TwoWayP2PIntent extends ConnectivityIntent { |
| |
| private final ConnectPoint one; |
| private final ConnectPoint two; |
| |
| |
| /** |
| * Creates a new host-to-host intent with the supplied host pair. |
| * |
| * @param appId application identifier |
| * @param key intent key |
| * @param one first host |
| * @param two second host |
| * @param selector action |
| * @param treatment ingress port |
| * @param constraints optional prioritized list of path selection constraints |
| * @param priority priority to use for flows generated by this intent |
| * @throws NullPointerException if {@code one} or {@code two} is null. |
| */ |
| private TwoWayP2PIntent(ApplicationId appId, Key key, |
| ConnectPoint one, ConnectPoint two, |
| TrafficSelector selector, |
| TrafficTreatment treatment, |
| List<Constraint> constraints, |
| int priority) { |
| super(appId, key, Collections.emptyList(), selector, treatment, constraints, |
| priority); |
| |
| // TODO: consider whether the case one and two are same is allowed |
| this.one = checkNotNull(one); |
| this.two = checkNotNull(two); |
| |
| } |
| |
| /** |
| * Returns a new two way intent builder. |
| * |
| * @return two way intent builder |
| */ |
| public static Builder builder() { |
| return new Builder(); |
| } |
| |
| /** |
| * Builder of a point to point intent. |
| */ |
| public static final class Builder extends ConnectivityIntent.Builder { |
| ConnectPoint one; |
| ConnectPoint two; |
| |
| 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 first connection point of the two way intent that will be built. |
| * |
| * @param one first connect point |
| * @return this builder |
| */ |
| public Builder one(ConnectPoint one) { |
| this.one = one; |
| return this; |
| } |
| |
| /** |
| * Sets the second connection point of the two way intent that will be built. |
| * |
| * @param two second connect point |
| * @return this builder |
| */ |
| public Builder two(ConnectPoint two) { |
| this.two = two; |
| return this; |
| } |
| |
| /** |
| * Builds a point to point intent from the accumulated parameters. |
| * |
| * @return point to point intent |
| */ |
| public TwoWayP2PIntent build() { |
| |
| return new TwoWayP2PIntent( |
| appId, |
| key, |
| one, |
| two, |
| selector, |
| treatment, |
| constraints, |
| priority |
| ); |
| } |
| } |
| |
| /** |
| * Returns identifier of the first host. |
| * |
| * @return first host identifier |
| */ |
| public ConnectPoint one() { |
| return one; |
| } |
| |
| /** |
| * Returns identifier of the second host. |
| * |
| * @return second host identifier |
| */ |
| public ConnectPoint two() { |
| return two; |
| } |
| |
| @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("constraints", constraints()) |
| .add("one", one) |
| .add("two", two) |
| .toString(); |
| } |
| |
| } |