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.api.core.metrics;
  
  import com.datastax.oss.driver.api.core.session.Session;
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  /**
   * A node-level metric exposed through {@link Session#getMetrics()}.
   *
   * <p>All metrics exposed out of the box by the driver are instances of {@link DefaultNodeMetric} or
   * {@link com.datastax.dse.driver.api.core.metrics.DseNodeMetric DseNodeMetric} (this interface only
   * exists to allow custom metrics in driver extensions).
   *
   * @see SessionMetric
   */
  public interface NodeMetric {
  
    @NonNull
    String getPath();
  }
  