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.datastax.oss.driver.internal.core.metrics;
  
  import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableMap;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import java.util.Map;
  import java.util.Objects;
  import net.jcip.annotations.ThreadSafe;
  
  @ThreadSafe
  public final class DefaultMetricId implements MetricId {
  
    private final String name;
    private final ImmutableMap<String, String> tags;
  
    public DefaultMetricId(String name, Map<String, String> tags) {
      this.name = Objects.requireNonNull(name, "name cannot be null");
      this.tags = ImmutableMap.copyOf(Objects.requireNonNull(tags, "tags cannot be null"));
    }
  
    @NonNull
    @Override
    public String getName() {
      return name;
    }
  
    @NonNull
    @Override
    public Map<String, String> getTags() {
      return tags;
    }
  
    @Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (o == null || getClass() != o.getClass()) {
        return false;
      }
      DefaultMetricId that = (DefaultMetricId) o;
      return name.equals(that.name) && tags.equals(that.tags);
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(name, tags);
    }
  
    @Override
    public String toString() {
      return name + tags;
    }
  }
  