apoorvmittal10 commented on code in PR #14620: URL: https://github.com/apache/kafka/pull/14620#discussion_r1390688746
########## clients/src/main/java/org/apache/kafka/common/telemetry/internals/SinglePointMetric.java: ########## @@ -0,0 +1,157 @@ +/* + * 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.kafka.common.telemetry.internals; + +import io.opentelemetry.proto.common.v1.AnyValue; +import io.opentelemetry.proto.common.v1.KeyValue; +import io.opentelemetry.proto.metrics.v1.AggregationTemporality; +import io.opentelemetry.proto.metrics.v1.Metric; +import io.opentelemetry.proto.metrics.v1.NumberDataPoint; + +import java.time.Instant; +import java.util.Map; +import java.util.Objects; +import java.util.concurrent.TimeUnit; + +/** + * This class represents a telemetry metric that does not yet contain resource tags. + * These additional resource tags will be added before emitting metrics by the telemetry reporter. + */ +public class SinglePointMetric implements MetricKeyable { + + private final MetricKey key; + private final Metric.Builder metricBuilder; + + private SinglePointMetric(MetricKey key, Metric.Builder metricBuilder) { + this.key = key; + this.metricBuilder = metricBuilder; + } + + @Override + public MetricKey key() { + return key; + } + + public Metric.Builder metric() { + return metricBuilder; + } + + public static SinglePointMetric create(MetricKey metricKey, Metric.Builder metric) { + return new SinglePointMetric(metricKey, metric); + } + + /* + Methods to construct gauge metric type. + */ + public static SinglePointMetric gauge(MetricKey metricKey, Number value, Instant timestamp) { + NumberDataPoint.Builder point = point(timestamp, value); + return gauge(metricKey, point); + } + + public static SinglePointMetric gauge(MetricKey metricKey, double value, Instant timestamp) { + NumberDataPoint.Builder point = point(timestamp, value); + return gauge(metricKey, point); + } + + /* + Methods to construct sum metric type. + */ + + public static SinglePointMetric sum(MetricKey metricKey, double value, boolean monotonic, Instant timestamp) { + return sum(metricKey, value, monotonic, timestamp, null); + } + + public static SinglePointMetric sum(MetricKey metricKey, double value, boolean monotonic, Instant timestamp, + Instant startTimestamp) { + NumberDataPoint.Builder point = point(timestamp, value); + if (startTimestamp != null) { + point.setStartTimeUnixNano(toTimeUnixNanos(startTimestamp)); + } + + return sum(metricKey, AggregationTemporality.AGGREGATION_TEMPORALITY_CUMULATIVE, monotonic, point); + } + + public static SinglePointMetric deltaSum(MetricKey metricKey, double value, boolean monotonic, + Instant timestamp, Instant startTimestamp) { + NumberDataPoint.Builder point = point(timestamp, value) Review Comment: Resolving the comment. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
