hanahmily commented on a change in pull request #5187: URL: https://github.com/apache/skywalking/pull/5187#discussion_r462359700
########## File path: oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/meter/function/AvgLabeledFunction.java ########## @@ -0,0 +1,215 @@ +/* + * 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.skywalking.oap.server.core.analysis.meter.function; + +import java.util.Comparator; +import java.util.HashMap; +import java.util.Map; +import java.util.Objects; +import java.util.Set; +import lombok.Getter; +import lombok.Setter; +import lombok.ToString; +import org.apache.skywalking.oap.server.core.Const; +import org.apache.skywalking.oap.server.core.UnexpectedException; +import org.apache.skywalking.oap.server.core.analysis.manual.instance.InstanceTraffic; +import org.apache.skywalking.oap.server.core.analysis.meter.MeterEntity; +import org.apache.skywalking.oap.server.core.analysis.metrics.DataTable; +import org.apache.skywalking.oap.server.core.analysis.metrics.Metrics; +import org.apache.skywalking.oap.server.core.remote.grpc.proto.RemoteData; +import org.apache.skywalking.oap.server.core.storage.StorageBuilder; +import org.apache.skywalking.oap.server.core.storage.annotation.Column; + +@MeterFunction(functionName = "avgLabeled") +@ToString +public abstract class AvgLabeledFunction extends Metrics implements AcceptableValue<DataTable> { + protected static final String SUMMATION = "summation"; + protected static final String COUNT = "count"; + protected static final String VALUE = "value"; + + @Setter + @Getter + @Column(columnName = ENTITY_ID, length = 512) + private String entityId; + + /** + * Service ID is required for sort query. + */ + @Setter + @Getter + @Column(columnName = InstanceTraffic.SERVICE_ID) + private String serviceId; + + @Getter + @Setter + @Column(columnName = SUMMATION, storageOnly = true) + protected DataTable summation = new DataTable(30); + @Getter + @Setter + @Column(columnName = COUNT, storageOnly = true) + protected DataTable count = new DataTable(30); + @Getter + @Setter + @Column(columnName = VALUE, dataType = Column.ValueDataType.LABELED_VALUE, storageOnly = true) + private DataTable value = new DataTable(30); + + @Override + public final void combine(Metrics metrics) { + AvgLabeledFunction longAvgMetrics = (AvgLabeledFunction) metrics; + summation.append(longAvgMetrics.summation); + count.append(longAvgMetrics.count); + } + + @Override + public final void calculate() { + Set<String> keys = count.keys(); + for (String key : keys) { + Long s = summation.get(key); + if (Objects.isNull(s)) { + continue; + } + Long c = count.get(key); + if (Objects.isNull(c)) { + continue; + } + long result = s / c; + if (result == 0 && s > 0) { + result = 1; + } + value.put(key, result); + } + } + + @Override + public Metrics toHour() { + AvgLabeledFunction metrics = (AvgLabeledFunction) createNew(); + metrics.setEntityId(getEntityId()); + metrics.setTimeBucket(toTimeBucketInHour()); + metrics.setServiceId(getServiceId()); + metrics.setSummation(getSummation()); + metrics.setCount(getCount()); + return metrics; + } + + @Override + public Metrics toDay() { + AvgLabeledFunction metrics = (AvgLabeledFunction) createNew(); + metrics.setEntityId(getEntityId()); + metrics.setTimeBucket(toTimeBucketInDay()); + metrics.setServiceId(getServiceId()); + metrics.setSummation(getSummation()); + metrics.setCount(getCount()); + return metrics; + } + + @Override + public int remoteHashCode() { + return entityId.hashCode(); + } + + @Override + public void deserialize(final RemoteData remoteData) { + this.setCount(new DataTable(remoteData.getDataObjectStrings(0))); + this.setSummation(new DataTable(remoteData.getDataObjectStrings(1))); + setTimeBucket(remoteData.getDataLongs(0)); + + this.entityId = remoteData.getDataStrings(0); + this.serviceId = remoteData.getDataStrings(1); + } + + @Override + public RemoteData.Builder serialize() { + RemoteData.Builder remoteBuilder = RemoteData.newBuilder(); + remoteBuilder.addDataObjectStrings(count.toStorageData()); + remoteBuilder.addDataObjectStrings(summation.toStorageData()); + remoteBuilder.addDataLongs(getTimeBucket()); + + remoteBuilder.addDataStrings(entityId); + remoteBuilder.addDataStrings(serviceId); + + return remoteBuilder; + } + + @Override + public String id() { + return getTimeBucket() + Const.ID_CONNECTOR + entityId; + } + + @Override + public void accept(final MeterEntity entity, final DataTable value) { + this.entityId = entity.id(); + this.serviceId = entity.serviceId(); + this.summation.append(value); + DataTable c = new DataTable(); + value.sortedKeys(Comparator.naturalOrder()).forEach(key -> c.put(key, 1L)); Review comment: done ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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