content: /*
   *
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 com.alibaba.cloudapp.messaging.rocketmq.model;
  
  import com.alibaba.cloudapp.api.messaging.model.Destination;
  
  import java.util.*;
  
  public class RocketDestination implements Destination {
  
      private final String topic;
  
      private final List<String> tags;
  
      public RocketDestination(String topic) {
          this.topic = topic;
          this.tags = new ArrayList<>();
      }
  
      public RocketDestination(String topic, List<String> tags) {
          this.topic = topic;
          this.tags = new ArrayList<>(
                  tags == null ? Collections.emptyList() : tags
          );
      }
  
      @Override
      public String getTopic() {
          return topic;
      }
  
      public void addTag(String tag) {
          if(!"*".equals(tag)) {
              this.tags.add(tag);
          }
      }
      
      public void resetAllTags() {
          this.tags.clear();
      }
  
      public void addTags(List<String> tags) {
          this.tags.addAll(tags);
      }
  
      public List<String> getTags() {
          return tags;
      }
  
      public String getTagsString() {
          return tags.isEmpty() ? "*" : String.join("||", tags);
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
  
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
          
          RocketDestination that = (RocketDestination) o;
          return Objects.equals(topic, that.topic) &&
                  tags.size() == that.getTags().size() &&
                  new HashSet<>(tags).containsAll(that.getTags());
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(topic, tags);
      }
      
      public boolean isContains(RocketDestination ds) {
          if(!topic.equals(ds.getTopic())) {
              return false;
          }
          return tags.isEmpty() || new HashSet<>(tags).containsAll(ds.getTags());
      }
  }
  