| /* |
| * Copyright 2015-present 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 org.onosproject.net.flow.criteria.Criteria; |
| import org.onosproject.net.flow.criteria.Criterion; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Optional; |
| |
| import static com.google.common.base.MoreObjects.toStringHelper; |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Default implementation of a filtering objective. |
| */ |
| @Beta |
| public final class DefaultFilteringObjective implements FilteringObjective { |
| |
| private final Type type; |
| private final boolean permanent; |
| private final int timeout; |
| private final ApplicationId appId; |
| private final int priority; |
| private final Criterion key; |
| private final List<Criterion> conditions; |
| private final int id; |
| private final Operation op; |
| private final Optional<ObjectiveContext> context; |
| private final TrafficTreatment meta; |
| |
| private DefaultFilteringObjective(Builder builder) { |
| this.key = builder.key; |
| this.type = builder.type; |
| this.permanent = builder.permanent; |
| this.timeout = builder.timeout; |
| this.appId = builder.appId; |
| this.priority = builder.priority; |
| this.conditions = builder.conditions; |
| this.op = builder.op; |
| this.context = Optional.ofNullable(builder.context); |
| this.meta = builder.meta; |
| |
| this.id = Objects.hash(type, key, conditions, permanent, |
| timeout, appId, priority); |
| } |
| |
| @Override |
| public Criterion key() { |
| return key; |
| } |
| |
| @Override |
| public Type type() { |
| return this.type; |
| } |
| |
| @Override |
| public Collection<Criterion> conditions() { |
| return conditions; |
| } |
| |
| @Override |
| public int id() { |
| return id; |
| } |
| |
| @Override |
| public TrafficTreatment meta() { |
| return meta; |
| } |
| |
| |
| @Override |
| public int priority() { |
| return priority; |
| } |
| |
| @Override |
| public ApplicationId appId() { |
| return appId; |
| } |
| |
| @Override |
| public int timeout() { |
| return timeout; |
| } |
| |
| @Override |
| public boolean permanent() { |
| return permanent; |
| } |
| |
| @Override |
| public Operation op() { |
| return op; |
| } |
| |
| @Override |
| public Optional<ObjectiveContext> context() { |
| return context; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(type, permanent, timeout, appId, priority, key, |
| conditions, op, meta); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof DefaultFilteringObjective) { |
| final DefaultFilteringObjective other = (DefaultFilteringObjective) obj; |
| return Objects.equals(this.type, other.type) |
| && Objects.equals(this.permanent, other.permanent) |
| && Objects.equals(this.timeout, other.timeout) |
| && Objects.equals(this.appId, other.appId) |
| && Objects.equals(this.priority, other.priority) |
| && Objects.equals(this.key, other.key) |
| && Objects.equals(this.conditions, other.conditions) |
| && Objects.equals(this.op, other.op) |
| && Objects.equals(this.meta, other.meta); |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| return toStringHelper(this) |
| .add("id", id()) |
| .add("type", type()) |
| .add("op", op()) |
| .add("priority", priority()) |
| .add("key", key()) |
| .add("conditions", conditions()) |
| .add("meta", meta()) |
| .add("appId", appId()) |
| .add("permanent", permanent()) |
| .add("timeout", timeout()) |
| .toString(); |
| } |
| |
| /** |
| * Returns a new builder. |
| * |
| * @return new builder |
| */ |
| public static Builder builder() { |
| return new Builder(); |
| } |
| |
| @Override |
| public Builder copy() { |
| return new Builder(this); |
| } |
| |
| public static final class Builder implements FilteringObjective.Builder { |
| private final ImmutableList.Builder<Criterion> listBuilder |
| = ImmutableList.builder(); |
| |
| private Type type; |
| private boolean permanent = DEFAULT_PERMANENT; |
| private int timeout = DEFAULT_TIMEOUT; |
| private ApplicationId appId; |
| private int priority = DEFAULT_PRIORITY; |
| private Criterion key = Criteria.dummy(); |
| private List<Criterion> conditions; |
| private Operation op; |
| private ObjectiveContext context; |
| private TrafficTreatment meta; |
| |
| // Creates an empty builder |
| private Builder() { |
| } |
| |
| // Creates a builder set to create a copy of the specified objective. |
| private Builder(FilteringObjective objective) { |
| this.type = objective.type(); |
| this.key = objective.key(); |
| this.conditions = ImmutableList.copyOf(objective.conditions()); |
| this.permanent = objective.permanent(); |
| this.timeout = objective.timeout(); |
| this.priority = objective.priority(); |
| this.appId = objective.appId(); |
| this.meta = objective.meta(); |
| this.op = objective.op(); |
| } |
| |
| @Override |
| public Builder withKey(Criterion key) { |
| this.key = key; |
| return this; |
| } |
| |
| @Override |
| public Builder addCondition(Criterion criterion) { |
| listBuilder.add(criterion); |
| return this; |
| } |
| |
| @Override |
| public Builder permit() { |
| this.type = Type.PERMIT; |
| return this; |
| } |
| |
| @Override |
| public Builder deny() { |
| this.type = Type.DENY; |
| return this; |
| } |
| |
| @Override |
| public Builder makeTemporary(int timeout) { |
| this.timeout = timeout; |
| permanent = false; |
| return this; |
| } |
| |
| @Override |
| public Builder makePermanent() { |
| permanent = true; |
| return this; |
| } |
| |
| @Override |
| public Builder fromApp(ApplicationId appId) { |
| this.appId = appId; |
| return this; |
| } |
| |
| @Override |
| public Builder withPriority(int priority) { |
| this.priority = priority; |
| return this; |
| } |
| |
| @Override |
| public Builder withMeta(TrafficTreatment treatment) { |
| this.meta = treatment; |
| return this; |
| } |
| |
| @Override |
| public FilteringObjective add() { |
| conditions = listBuilder.build(); |
| op = Operation.ADD; |
| checkNotNull(type, "Must have a type."); |
| checkArgument(!conditions.isEmpty(), "Must have at least one condition."); |
| checkNotNull(appId, "Must supply an application id"); |
| checkArgument(priority <= MAX_PRIORITY && priority >= MIN_PRIORITY, "Priority " + |
| "out of range"); |
| |
| return new DefaultFilteringObjective(this); |
| } |
| |
| @Override |
| public FilteringObjective remove() { |
| conditions = listBuilder.build(); |
| checkNotNull(type, "Must have a type."); |
| checkArgument(!conditions.isEmpty(), "Must have at least one condition."); |
| checkNotNull(appId, "Must supply an application id"); |
| op = Operation.REMOVE; |
| |
| return new DefaultFilteringObjective(this); |
| } |
| |
| @Override |
| public FilteringObjective add(ObjectiveContext context) { |
| conditions = listBuilder.build(); |
| checkNotNull(type, "Must have a type."); |
| checkArgument(!conditions.isEmpty(), "Must have at least one condition."); |
| checkNotNull(appId, "Must supply an application id"); |
| op = Operation.ADD; |
| this.context = context; |
| |
| return new DefaultFilteringObjective(this); |
| } |
| |
| @Override |
| public FilteringObjective remove(ObjectiveContext context) { |
| conditions = listBuilder.build(); |
| checkNotNull(type, "Must have a type."); |
| checkArgument(!conditions.isEmpty(), "Must have at least one condition."); |
| checkNotNull(appId, "Must supply an application id"); |
| op = Operation.REMOVE; |
| this.context = context; |
| |
| return new DefaultFilteringObjective(this); |
| } |
| |
| } |
| |
| } |