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.calcite.avatica.metrics.dropwizard;
  
  import com.codahale.metrics.Timer;
  
  import java.util.Objects;
  
  /**
   * Dropwizard Metrics implementation of {@link org.apache.calcite.avatica.metrics.Timer}.
   */
  public class DropwizardTimer implements org.apache.calcite.avatica.metrics.Timer {
  
    private final Timer timer;
  
    public DropwizardTimer(Timer timer) {
      this.timer = Objects.requireNonNull(timer);
    }
  
    @Override public DropwizardContext start() {
      return new DropwizardContext(timer.time());
    }
  
    /**
     * Dropwizard Metrics implementation of {@link org.apache.calcite.avatica.metrics.Timer.Context}
     */
    public class DropwizardContext implements org.apache.calcite.avatica.metrics.Timer.Context {
      private final com.codahale.metrics.Timer.Context context;
  
      public DropwizardContext(com.codahale.metrics.Timer.Context context) {
        this.context = Objects.requireNonNull(context);
      }
  
      @Override public void close() {
        this.context.stop();
      }
    }
  }
  
  // End DropwizardTimer.java
  