| /* |
| * 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.flowobjective; |
| |
| import com.google.common.annotations.Beta; |
| import com.google.common.collect.ImmutableList; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.net.flow.TrafficTreatment; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Optional; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Default implementation of a next objective. |
| */ |
| @Beta |
| public final class DefaultNextObjective implements NextObjective { |
| |
| private final List<TrafficTreatment> treatments; |
| private final ApplicationId appId; |
| private final Type type; |
| private final Integer id; |
| private final Operation op; |
| private final Optional<ObjectiveContext> context; |
| |
| private DefaultNextObjective(Builder builder) { |
| this.treatments = builder.treatments; |
| this.appId = builder.appId; |
| this.type = builder.type; |
| this.id = builder.id; |
| this.op = builder.op; |
| this.context = Optional.ofNullable(builder.context); |
| } |
| |
| @Override |
| public Collection<TrafficTreatment> next() { |
| return treatments; |
| } |
| |
| @Override |
| public Type type() { |
| return type; |
| } |
| |
| @Override |
| public int id() { |
| return id; |
| } |
| |
| @Override |
| public int priority() { |
| return 0; |
| } |
| |
| @Override |
| public ApplicationId appId() { |
| return appId; |
| } |
| |
| @Override |
| public int timeout() { |
| return 0; |
| } |
| |
| @Override |
| public boolean permanent() { |
| return false; |
| } |
| |
| @Override |
| public Operation op() { |
| return op; |
| } |
| |
| @Override |
| public Optional<ObjectiveContext> context() { |
| return context; |
| } |
| |
| /** |
| * Returns a new builder. |
| * |
| * @return new builder |
| */ |
| public static Builder builder() { |
| return new Builder(); |
| } |
| |
| public static final class Builder implements NextObjective.Builder { |
| |
| private ApplicationId appId; |
| private Type type; |
| private Integer id; |
| private List<TrafficTreatment> treatments; |
| private Operation op; |
| private ObjectiveContext context; |
| |
| private final ImmutableList.Builder<TrafficTreatment> listBuilder |
| = ImmutableList.builder(); |
| |
| @Override |
| public Builder withId(int nextId) { |
| this.id = nextId; |
| return this; |
| } |
| |
| @Override |
| public Builder withType(Type type) { |
| this.type = type; |
| return this; |
| } |
| |
| @Override |
| public Builder addTreatment(TrafficTreatment treatment) { |
| listBuilder.add(treatment); |
| return this; |
| } |
| |
| /** |
| * Noop. This method has no effect. |
| * |
| * @param timeout a timeout |
| * @return a next objective builder |
| */ |
| @Override |
| public Builder makeTemporary(int timeout) { |
| return this; |
| } |
| |
| /** |
| * Noop. This method has no effect. |
| * |
| * @return a next objective builder |
| */ |
| @Override |
| public Builder makePermanent() { |
| return this; |
| } |
| |
| @Override |
| public Builder fromApp(ApplicationId appId) { |
| this.appId = appId; |
| return this; |
| } |
| |
| /** |
| * Noop. This method has no effect. |
| * |
| * @param priority an integer |
| * @return a next objective builder |
| */ |
| @Override |
| public Builder withPriority(int priority) { |
| return this; |
| } |
| |
| @Override |
| public NextObjective add() { |
| treatments = listBuilder.build(); |
| op = Operation.ADD; |
| checkNotNull(appId, "Must supply an application id"); |
| checkNotNull(id, "id cannot be null"); |
| checkNotNull(type, "The type cannot be null"); |
| checkArgument(!treatments.isEmpty(), "Must have at least one treatment"); |
| |
| return new DefaultNextObjective(this); |
| } |
| |
| @Override |
| public NextObjective remove() { |
| treatments = listBuilder.build(); |
| op = Operation.REMOVE; |
| checkNotNull(appId, "Must supply an application id"); |
| checkNotNull(id, "id cannot be null"); |
| checkNotNull(type, "The type cannot be null"); |
| |
| return new DefaultNextObjective(this); |
| } |
| |
| @Override |
| public NextObjective add(ObjectiveContext context) { |
| treatments = listBuilder.build(); |
| op = Operation.ADD; |
| this.context = context; |
| checkNotNull(appId, "Must supply an application id"); |
| checkNotNull(id, "id cannot be null"); |
| checkNotNull(type, "The type cannot be null"); |
| checkArgument(!treatments.isEmpty(), "Must have at least one treatment"); |
| |
| return new DefaultNextObjective(this); |
| } |
| |
| @Override |
| public NextObjective remove(ObjectiveContext context) { |
| treatments = listBuilder.build(); |
| op = Operation.REMOVE; |
| this.context = context; |
| checkNotNull(appId, "Must supply an application id"); |
| checkNotNull(id, "id cannot be null"); |
| checkNotNull(type, "The type cannot be null"); |
| |
| return new DefaultNextObjective(this); |
| } |
| } |
| } |