@@ -0,0 +1,1666 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one%0A * or more contributor license agreements.  See the NOTICE file%0A * distributed with this work for additional information%0A * regarding copyright ownership.  The ASF licenses this file%0A * to you under the Apache License, Version 2.0 (the%0A * %22License%22); you may not use this file except in compliance%0A * with the License.  You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0Apackage org.apache.beam.sdk.testutils.metrics;%0A%0Aimport org.apache.beam.sdk.metrics.Counter;%0Aimport org.apache.beam.sdk.metrics.Metrics;%0Aimport org.apache.beam.sdk.transforms.DoFn;%0A%0A/**%0A * Monitor that records number of elements flowing through a pipeline%0A *%0A * %3Cp%3ETo use: apply a monitor in a desired place in the pipeline. This will capture how many%0A * elements * flew through this DoFn. Such information can be then collected and written out and%0A * queried using * %7B@link org.apache.beam.sdk.testutils.metrics.MetricsReader%7D.%0A */%0Apublic class CountMonitor%3CT%3E extends DoFn%3CT, T%3E %7B%0A  private Counter counter;%0A%0A  public CountMonitor(String namespace, String name) %7B%0A    this.counter = Metrics.counter(namespace, name);%0A  %7D%0A%0A  @ProcessElement%0A  public void processElement(ProcessContext context) %7B%0A    counter.inc();%0A    context.output(context.element());%0A  %7D%0A%7D%0A

Add CountMonitor to IOIT metric utils