| /* |
| * Copyright 2016-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.incubator.net.tunnel; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.common.collect.ImmutableList; |
| import org.onosproject.incubator.net.resource.label.LabelResourceId; |
| import java.util.List; |
| import java.util.Objects; |
| |
| /** |
| * Default implementation of label stack. |
| */ |
| public class DefaultLabelStack implements LabelStack { |
| |
| private final List<LabelResourceId> labelResources; |
| |
| /** |
| * Creates label stack. |
| * |
| * @param labelResources contiguous label ids that comprise the path |
| */ |
| public DefaultLabelStack(List<LabelResourceId> labelResources) { |
| this.labelResources = ImmutableList.copyOf(labelResources); |
| } |
| |
| @Override |
| public List<LabelResourceId> labelResources() { |
| return labelResources; |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(this) |
| .add("labelResources", labelResources) |
| .toString(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return labelResources.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof DefaultLabelStack) { |
| final DefaultLabelStack other = (DefaultLabelStack) obj; |
| return Objects.equals(this.labelResources, other.labelResources); |
| } |
| return false; |
| } |
| } |