| /* |
| * Copyright 2017-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.mapping; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Lists; |
| import org.onosproject.mapping.actions.MappingAction; |
| import org.onosproject.mapping.actions.MappingActions; |
| |
| import java.util.List; |
| import java.util.Objects; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Default mapping value implementation. |
| */ |
| public final class DefaultMappingValue implements MappingValue { |
| |
| private final MappingAction action; |
| private final List<MappingTreatment> treatments; |
| |
| /** |
| * Creates a new mapping value from the specified mapping action and a |
| * list of mapping treatments. |
| * |
| * @param action mapping action |
| * @param treatments a collection of mapping treatment |
| */ |
| private DefaultMappingValue(MappingAction action, |
| List<MappingTreatment> treatments) { |
| this.action = action; |
| this.treatments = ImmutableList.copyOf(checkNotNull(treatments)); |
| } |
| |
| @Override |
| public MappingAction action() { |
| return action; |
| } |
| |
| @Override |
| public List<MappingTreatment> treatments() { |
| return ImmutableList.copyOf(treatments); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(action, treatments); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof DefaultMappingValue) { |
| DefaultMappingValue that = (DefaultMappingValue) obj; |
| return Objects.equals(action, that.action) && |
| Objects.equals(treatments, that.treatments); |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("action", action) |
| .add("treatments", treatments) |
| .toString(); |
| } |
| |
| /** |
| * Returns a new mapping value builder. |
| * |
| * @return mapping value builder |
| */ |
| public static MappingValue.Builder builder() { |
| return new DefaultMappingValue.Builder(); |
| } |
| |
| /** |
| * Returns a new mapping value builder primed to produce entities |
| * patterned after the supplied mapping value. |
| * |
| * @param value base mapping value |
| * @return mapping value builder |
| */ |
| public static MappingValue.Builder builder(MappingValue value) { |
| return new Builder(value); |
| } |
| |
| /** |
| * Builds a mapping value. |
| */ |
| public static final class Builder implements MappingValue.Builder { |
| |
| private MappingAction action; |
| private List<MappingTreatment> treatments = Lists.newArrayList(); |
| |
| // creates a new builder |
| private Builder() { |
| } |
| |
| // creates a new builder based off an existing mapping value |
| private Builder(MappingValue value) { |
| value.treatments().forEach(t -> treatments.add(t)); |
| action = value.action(); |
| } |
| |
| @Override |
| public Builder withAction(MappingAction action) { |
| this.action = action; |
| return this; |
| } |
| |
| @Override |
| public Builder add(MappingTreatment treatment) { |
| treatments.add(treatment); |
| return this; |
| } |
| |
| @Override |
| public MappingValue build() { |
| |
| // if no action has been specified, we simply assign noAction |
| if (action == null) { |
| action = MappingActions.noAction(); |
| } |
| |
| // FIXME: we will check the number of treatment later |
| // checkArgument(treatments.size() >= 1, |
| // "Must specify more than one mapping treatment"); |
| |
| return new DefaultMappingValue(action, treatments); |
| } |
| } |
| } |