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.beam.sdk.metrics;
  
  /** Standard Sink Metrics. */
  public class SinkMetrics {
  
    private static final String SINK_NAMESPACE = "sink";
  
    private static final String ELEMENTS_WRITTEN = "elements_written";
    private static final String BYTES_WRITTEN = "bytes_written";
  
    private static final Counter ELEMENTS_WRITTEN_COUNTER =
        Metrics.counter(SINK_NAMESPACE, ELEMENTS_WRITTEN);
    private static final Counter BYTES_WRITTEN_COUNTER =
        Metrics.counter(SINK_NAMESPACE, BYTES_WRITTEN);
  
    /** Counter of elements written to a sink. */
    public static Counter elementsWritten() {
      return ELEMENTS_WRITTEN_COUNTER;
    }
  
    /** Counter of bytes written to a sink. */
    public static Counter bytesWritten() {
      return BYTES_WRITTEN_COUNTER;
    }
  }
  