| /* |
| * 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.runners.flink.metrics; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| import org.apache.beam.runners.core.DoFnRunner; |
| import org.apache.beam.runners.core.metrics.MetricsContainerImpl; |
| import org.apache.beam.sdk.metrics.MetricsEnvironment; |
| import org.apache.beam.sdk.state.TimeDomain; |
| import org.apache.beam.sdk.transforms.DoFn; |
| import org.apache.beam.sdk.transforms.windowing.BoundedWindow; |
| import org.apache.beam.sdk.util.WindowedValue; |
| import org.joda.time.Instant; |
| |
| /** |
| * {@link DoFnRunner} decorator which registers {@link MetricsContainerImpl}. It updates metrics to |
| * Flink metrics and accumulators in {@link #finishBundle()}. |
| */ |
| public class DoFnRunnerWithMetricsUpdate<InputT, OutputT> implements DoFnRunner<InputT, OutputT> { |
| |
| private final String stepName; |
| private final FlinkMetricContainer container; |
| private final DoFnRunner<InputT, OutputT> delegate; |
| |
| public DoFnRunnerWithMetricsUpdate( |
| String stepName, DoFnRunner<InputT, OutputT> delegate, FlinkMetricContainer metricContainer) { |
| this.stepName = stepName; |
| this.delegate = delegate; |
| this.container = metricContainer; |
| } |
| |
| @Override |
| public void startBundle() { |
| try (Closeable ignored = |
| MetricsEnvironment.scopedMetricsContainer(container.getMetricsContainer(stepName))) { |
| delegate.startBundle(); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public void processElement(final WindowedValue<InputT> elem) { |
| try (Closeable ignored = |
| MetricsEnvironment.scopedMetricsContainer(container.getMetricsContainer(stepName))) { |
| delegate.processElement(elem); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public void onTimer( |
| final String timerId, |
| final BoundedWindow window, |
| final Instant timestamp, |
| final TimeDomain timeDomain) { |
| try (Closeable ignored = |
| MetricsEnvironment.scopedMetricsContainer(container.getMetricsContainer(stepName))) { |
| delegate.onTimer(timerId, window, timestamp, timeDomain); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public void finishBundle() { |
| try (Closeable ignored = |
| MetricsEnvironment.scopedMetricsContainer(container.getMetricsContainer(stepName))) { |
| delegate.finishBundle(); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| |
| // update metrics |
| container.updateMetrics(stepName); |
| } |
| |
| @Override |
| public DoFn<InputT, OutputT> getFn() { |
| return delegate.getFn(); |
| } |
| } |