| /* |
| * 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; |
| |
| import static org.apache.beam.vendor.guava.v26_0_jre.com.google.common.base.Preconditions.checkNotNull; |
| |
| import com.google.auto.value.AutoValue; |
| import javax.annotation.Nullable; |
| import org.apache.beam.sdk.annotations.Experimental; |
| import org.apache.beam.sdk.annotations.Experimental.Kind; |
| |
| /** The name of a metric. */ |
| @Experimental(Kind.METRICS) |
| @AutoValue |
| public abstract class MetricNameFilter { |
| |
| /** The inNamespace that a metric must be in to match this {@link MetricNameFilter}. */ |
| public abstract String getNamespace(); |
| |
| /** If set, the metric must have this name to match this {@link MetricNameFilter}. */ |
| @Nullable |
| public abstract String getName(); |
| |
| public static MetricNameFilter inNamespace(String namespace) { |
| return new AutoValue_MetricNameFilter(namespace, null); |
| } |
| |
| public static MetricNameFilter inNamespace(Class<?> namespace) { |
| return new AutoValue_MetricNameFilter(namespace.getName(), null); |
| } |
| |
| public static MetricNameFilter named(String namespace, String name) { |
| checkNotNull(name, "Must specify a name"); |
| return new AutoValue_MetricNameFilter(namespace, name); |
| } |
| |
| public static MetricNameFilter named(Class<?> namespace, String name) { |
| checkNotNull(namespace, "Must specify a inNamespace"); |
| checkNotNull(name, "Must specify a name"); |
| return new AutoValue_MetricNameFilter(namespace.getName(), name); |
| } |
| } |