/*
* 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.core.metrics;
import com.google.auto.value.AutoValue;
import java.io.Serializable;
import org.apache.beam.sdk.annotations.Experimental;
import org.apache.beam.sdk.annotations.Experimental.Kind;
import org.apache.beam.sdk.metrics.MetricName;
/**
* Metrics are keyed by the step name they are associated with and the name of the metric.
*/
@Experimental(Kind.METRICS)
@AutoValue
public abstract class MetricKey implements Serializable {
/** The step name that is associated with this metric. */
public abstract String stepName();
/** The name of the metric. */
public abstract MetricName metricName();
public static MetricKey create(String stepName, MetricName metricName) {
return new AutoValue_MetricKey(stepName, metricName);
}
}