| /* |
| * 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 static org.apache.beam.vendor.guava.v26_0_jre.com.google.common.base.Preconditions.checkArgument; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Objects; |
| import org.apache.beam.model.pipeline.v1.MetricsApi; |
| import org.apache.beam.sdk.metrics.MetricName; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.base.Strings; |
| |
| /** |
| * An implementation of {@code MetricKey} based on a MonitoringInfo's URN and label to represent the |
| * key instead of only a name+namespace. This is useful when defining system defined metrics with a |
| * specific urn via a {@code CounterContainer}. |
| */ |
| public class MonitoringInfoMetricName extends MetricName { |
| |
| private String urn; |
| private Map<String, String> labels = new HashMap<String, String>(); |
| |
| private MonitoringInfoMetricName(String urn, Map<String, String> labels) { |
| checkArgument(!Strings.isNullOrEmpty(urn), "MonitoringInfoMetricName urn must be non-empty"); |
| checkArgument(labels != null, "MonitoringInfoMetricName labels must be non-null"); |
| // TODO(ajamato): Move SimpleMonitoringInfoBuilder to :runners:core-construction-java |
| // and ensure all necessary labels are set for the specific URN. |
| this.urn = urn; |
| for (Entry<String, String> entry : labels.entrySet()) { |
| this.labels.put(entry.getKey(), entry.getValue()); |
| } |
| } |
| |
| @Override |
| public String getNamespace() { |
| if (labels.containsKey(MonitoringInfoConstants.Labels.NAMESPACE)) { |
| // User-generated metric |
| return labels.getOrDefault(MonitoringInfoConstants.Labels.NAMESPACE, null); |
| } else if (labels.containsKey(MonitoringInfoConstants.Labels.PCOLLECTION)) { |
| // System-generated metric |
| return labels.getOrDefault(MonitoringInfoConstants.Labels.PCOLLECTION, null); |
| } else if (labels.containsKey(MonitoringInfoConstants.Labels.PTRANSFORM)) { |
| // System-generated metric |
| return labels.getOrDefault(MonitoringInfoConstants.Labels.PTRANSFORM, null); |
| } else { |
| return urn.split(":", 2)[0]; |
| } |
| } |
| |
| @Override |
| public String getName() { |
| if (labels.containsKey(MonitoringInfoConstants.Labels.NAME)) { |
| return labels.getOrDefault(MonitoringInfoConstants.Labels.NAME, null); |
| } else { |
| return urn.split(":", 2)[1]; |
| } |
| } |
| |
| /** @return the urn of this MonitoringInfo metric. */ |
| public String getUrn() { |
| return this.urn; |
| } |
| |
| /** @return The labels associated with this MonitoringInfo. */ |
| public Map<String, String> getLabels() { |
| return this.labels; |
| } |
| |
| public static MonitoringInfoMetricName of(MetricsApi.MonitoringInfo mi) { |
| return new MonitoringInfoMetricName(mi.getUrn(), mi.getLabelsMap()); |
| } |
| |
| public static MonitoringInfoMetricName named(String urn, HashMap<String, String> labels) { |
| return new MonitoringInfoMetricName(urn, labels); |
| } |
| |
| @Override |
| public int hashCode() { |
| // Don't include name and namespace, since they are lazily set. |
| return Objects.hash(urn, labels); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| // If the object is compared with itself then return true |
| if (o == this) { |
| return true; |
| } |
| if (!(o instanceof MonitoringInfoMetricName)) { |
| return false; |
| } |
| MonitoringInfoMetricName other = (MonitoringInfoMetricName) o; |
| return this.urn.equals(other.urn) && this.labels.equals(other.labels); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder builder = new StringBuilder(); |
| builder.append(this.urn.toString()); |
| builder.append(" "); |
| builder.append(this.labels.toString()); |
| return builder.toString(); |
| } |
| } |