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 org.apache.cassandra.sidecar.metrics.instance;
  
  import java.util.Objects;
  
  import com.codahale.metrics.MetricRegistry;
  
  /**
   * Tracks metrics related to a Cassandra instance that Sidecar maintains.
   */
  public class InstanceMetricsImpl implements InstanceMetrics
  {
      protected final MetricRegistry metricRegistry;
      protected final StreamSSTableMetrics streamSSTableMetrics;
      protected final UploadSSTableMetrics uploadSSTableMetrics;
      protected final InstanceHealthMetrics healthMetrics;
      protected final InstanceResourceMetrics resourceMetrics;
      protected final InstanceRestoreMetrics restoreMetrics;
      protected final SSTableImportMetrics ssTableImportMetrics;
  
      public InstanceMetricsImpl(MetricRegistry metricRegistry)
      {
          this.metricRegistry = Objects.requireNonNull(metricRegistry, "Metrics registry can not be null");
  
          this.healthMetrics = new InstanceHealthMetrics(metricRegistry);
          this.resourceMetrics = new InstanceResourceMetrics(metricRegistry);
          this.streamSSTableMetrics = new StreamSSTableMetrics(metricRegistry);
          this.uploadSSTableMetrics = new UploadSSTableMetrics(metricRegistry);
          this.restoreMetrics = new InstanceRestoreMetrics(metricRegistry);
          this.ssTableImportMetrics = new SSTableImportMetrics(metricRegistry);
      }
  
      @Override
      public InstanceHealthMetrics health()
      {
          return healthMetrics;
      }
  
      @Override
      public InstanceResourceMetrics resource()
      {
          return resourceMetrics;
      }
  
      @Override
      public StreamSSTableMetrics streamSSTable()
      {
          return streamSSTableMetrics;
      }
  
      @Override
      public UploadSSTableMetrics uploadSSTable()
      {
          return uploadSSTableMetrics;
      }
  
      @Override
      public InstanceRestoreMetrics restore()
      {
          return restoreMetrics;
      }
  
      @Override
      public SSTableImportMetrics sstableImport()
      {
          return ssTableImportMetrics;
      }
  }
  