|
| 1 | +package com.linkedin.venice.stats.metrics; |
| 2 | + |
| 3 | +import com.linkedin.venice.stats.VeniceOpenTelemetryMetricsRepository; |
| 4 | +import com.linkedin.venice.stats.dimensions.VeniceDimensionInterface; |
| 5 | +import com.linkedin.venice.stats.dimensions.VeniceMetricsDimensions; |
| 6 | +import io.opentelemetry.api.common.Attributes; |
| 7 | +import io.tehuti.metrics.MeasurableStat; |
| 8 | +import java.util.Collections; |
| 9 | +import java.util.EnumMap; |
| 10 | +import java.util.List; |
| 11 | +import java.util.Map; |
| 12 | +import javax.annotation.Nonnull; |
| 13 | + |
| 14 | + |
| 15 | +/** |
| 16 | + * Similar to {@link MetricEntityStateOneEnum} but with five dynamic dimensions and 5 level EnumMap |
| 17 | + */ |
| 18 | +public class MetricEntityStateFiveEnums<E1 extends Enum<E1> & VeniceDimensionInterface, E2 extends Enum<E2> & VeniceDimensionInterface, E3 extends Enum<E3> & VeniceDimensionInterface, E4 extends Enum<E4> & VeniceDimensionInterface, E5 extends Enum<E5> & VeniceDimensionInterface> |
| 19 | + extends MetricEntityState { |
| 20 | + private final EnumMap<E1, EnumMap<E2, EnumMap<E3, EnumMap<E4, EnumMap<E5, Attributes>>>>> attributesEnumMap; |
| 21 | + |
| 22 | + private final Class<E1> enumTypeClass1; |
| 23 | + private final Class<E2> enumTypeClass2; |
| 24 | + private final Class<E3> enumTypeClass3; |
| 25 | + private final Class<E4> enumTypeClass4; |
| 26 | + private final Class<E5> enumTypeClass5; |
| 27 | + |
| 28 | + /** should not be called directly, call {@link #create} instead */ |
| 29 | + private MetricEntityStateFiveEnums( |
| 30 | + MetricEntity metricEntity, |
| 31 | + VeniceOpenTelemetryMetricsRepository otelRepository, |
| 32 | + Map<VeniceMetricsDimensions, String> baseDimensionsMap, |
| 33 | + Class<E1> enumTypeClass1, |
| 34 | + Class<E2> enumTypeClass2, |
| 35 | + Class<E3> enumTypeClass3, |
| 36 | + Class<E4> enumTypeClass4, |
| 37 | + Class<E5> enumTypeClass5) { |
| 38 | + this( |
| 39 | + metricEntity, |
| 40 | + otelRepository, |
| 41 | + null, |
| 42 | + null, |
| 43 | + Collections.EMPTY_LIST, |
| 44 | + baseDimensionsMap, |
| 45 | + enumTypeClass1, |
| 46 | + enumTypeClass2, |
| 47 | + enumTypeClass3, |
| 48 | + enumTypeClass4, |
| 49 | + enumTypeClass5); |
| 50 | + } |
| 51 | + |
| 52 | + /** should not be called directly, call {@link #create} instead */ |
| 53 | + private MetricEntityStateFiveEnums( |
| 54 | + MetricEntity metricEntity, |
| 55 | + VeniceOpenTelemetryMetricsRepository otelRepository, |
| 56 | + TehutiSensorRegistrationFunction registerTehutiSensorFn, |
| 57 | + TehutiMetricNameEnum tehutiMetricNameEnum, |
| 58 | + List<MeasurableStat> tehutiMetricStats, |
| 59 | + Map<VeniceMetricsDimensions, String> baseDimensionsMap, |
| 60 | + Class<E1> enumTypeClass1, |
| 61 | + Class<E2> enumTypeClass2, |
| 62 | + Class<E3> enumTypeClass3, |
| 63 | + Class<E4> enumTypeClass4, |
| 64 | + Class<E5> enumTypeClass5) { |
| 65 | + super( |
| 66 | + metricEntity, |
| 67 | + otelRepository, |
| 68 | + baseDimensionsMap, |
| 69 | + registerTehutiSensorFn, |
| 70 | + tehutiMetricNameEnum, |
| 71 | + tehutiMetricStats); |
| 72 | + validateRequiredDimensions( |
| 73 | + metricEntity, |
| 74 | + null, |
| 75 | + baseDimensionsMap, |
| 76 | + enumTypeClass1, |
| 77 | + enumTypeClass2, |
| 78 | + enumTypeClass3, |
| 79 | + enumTypeClass4, |
| 80 | + enumTypeClass5); |
| 81 | + this.enumTypeClass1 = enumTypeClass1; |
| 82 | + this.enumTypeClass2 = enumTypeClass2; |
| 83 | + this.enumTypeClass3 = enumTypeClass3; |
| 84 | + this.enumTypeClass4 = enumTypeClass4; |
| 85 | + this.enumTypeClass5 = enumTypeClass5; |
| 86 | + this.attributesEnumMap = createAttributesEnumMap(); |
| 87 | + } |
| 88 | + |
| 89 | + /** Factory method with named parameters to ensure the passed in enumTypeClass are in the same order as E */ |
| 90 | + public static <E1 extends Enum<E1> & VeniceDimensionInterface, E2 extends Enum<E2> & VeniceDimensionInterface, E3 extends Enum<E3> & VeniceDimensionInterface, E4 extends Enum<E4> & VeniceDimensionInterface, E5 extends Enum<E5> & VeniceDimensionInterface> MetricEntityStateFiveEnums<E1, E2, E3, E4, E5> create( |
| 91 | + MetricEntity metricEntity, |
| 92 | + VeniceOpenTelemetryMetricsRepository otelRepository, |
| 93 | + Map<VeniceMetricsDimensions, String> baseDimensionsMap, |
| 94 | + Class<E1> enumTypeClass1, |
| 95 | + Class<E2> enumTypeClass2, |
| 96 | + Class<E3> enumTypeClass3, |
| 97 | + Class<E4> enumTypeClass4, |
| 98 | + Class<E5> enumTypeClass5) { |
| 99 | + return new MetricEntityStateFiveEnums<>( |
| 100 | + metricEntity, |
| 101 | + otelRepository, |
| 102 | + baseDimensionsMap, |
| 103 | + enumTypeClass1, |
| 104 | + enumTypeClass2, |
| 105 | + enumTypeClass3, |
| 106 | + enumTypeClass4, |
| 107 | + enumTypeClass5); |
| 108 | + } |
| 109 | + |
| 110 | + /** Overloaded Factory method for constructor with Tehuti parameters */ |
| 111 | + public static <E1 extends Enum<E1> & VeniceDimensionInterface, E2 extends Enum<E2> & VeniceDimensionInterface, E3 extends Enum<E3> & VeniceDimensionInterface, E4 extends Enum<E4> & VeniceDimensionInterface, E5 extends Enum<E5> & VeniceDimensionInterface> MetricEntityStateFiveEnums<E1, E2, E3, E4, E5> create( |
| 112 | + MetricEntity metricEntity, |
| 113 | + VeniceOpenTelemetryMetricsRepository otelRepository, |
| 114 | + TehutiSensorRegistrationFunction registerTehutiSensorFn, |
| 115 | + TehutiMetricNameEnum tehutiMetricNameEnum, |
| 116 | + List<MeasurableStat> tehutiMetricStats, |
| 117 | + Map<VeniceMetricsDimensions, String> baseDimensionsMap, |
| 118 | + Class<E1> enumTypeClass1, |
| 119 | + Class<E2> enumTypeClass2, |
| 120 | + Class<E3> enumTypeClass3, |
| 121 | + Class<E4> enumTypeClass4, |
| 122 | + Class<E5> enumTypeClass5) { |
| 123 | + return new MetricEntityStateFiveEnums<>( |
| 124 | + metricEntity, |
| 125 | + otelRepository, |
| 126 | + registerTehutiSensorFn, |
| 127 | + tehutiMetricNameEnum, |
| 128 | + tehutiMetricStats, |
| 129 | + baseDimensionsMap, |
| 130 | + enumTypeClass1, |
| 131 | + enumTypeClass2, |
| 132 | + enumTypeClass3, |
| 133 | + enumTypeClass4, |
| 134 | + enumTypeClass5); |
| 135 | + } |
| 136 | + |
| 137 | + /** |
| 138 | + * Creates an EnumMap of {@link Attributes} which will be used to lazy initialize the Attributes |
| 139 | + */ |
| 140 | + private EnumMap<E1, EnumMap<E2, EnumMap<E3, EnumMap<E4, EnumMap<E5, Attributes>>>>> createAttributesEnumMap() { |
| 141 | + if (!emitOpenTelemetryMetrics()) { |
| 142 | + return null; |
| 143 | + } |
| 144 | + |
| 145 | + return new EnumMap<>(enumTypeClass1); |
| 146 | + } |
| 147 | + |
| 148 | + /** |
| 149 | + * Manages the nested EnumMap structure for lazy initialization of Attributes. |
| 150 | + * The structure is a five-level nested EnumMap: |
| 151 | + * EnumMap<E1, EnumMap<E2, EnumMap<E3, EnumMap<E4, EnumMap<E5, Attributes>>>>>. |
| 152 | + * This allows efficient retrieval of Attributes based on five enum dimensions (E1, E2, E3, E4, E5). |
| 153 | + * |
| 154 | + * For thread safety considerations, refer {@link MetricEntityStateOneEnum#getAttributes}. |
| 155 | + */ |
| 156 | + public Attributes getAttributes(E1 dimension1, E2 dimension2, E3 dimension3, E4 dimension4, E5 dimension5) { |
| 157 | + if (!emitOpenTelemetryMetrics()) { |
| 158 | + return null; |
| 159 | + } |
| 160 | + |
| 161 | + Attributes attributes = attributesEnumMap.computeIfAbsent(dimension1, k -> { |
| 162 | + validateInputDimension(k); |
| 163 | + return new EnumMap<>(enumTypeClass2); |
| 164 | + }).computeIfAbsent(dimension2, k -> { |
| 165 | + validateInputDimension(k); |
| 166 | + return new EnumMap<>(enumTypeClass3); |
| 167 | + }).computeIfAbsent(dimension3, k -> { |
| 168 | + validateInputDimension(k); |
| 169 | + return new EnumMap<>(enumTypeClass4); |
| 170 | + }).computeIfAbsent(dimension4, k -> { |
| 171 | + validateInputDimension(k); |
| 172 | + return new EnumMap<>(enumTypeClass5); |
| 173 | + }).computeIfAbsent(dimension5, k -> { |
| 174 | + validateInputDimension(k); |
| 175 | + return createAttributes(dimension1, dimension2, dimension3, dimension4, dimension5); |
| 176 | + }); |
| 177 | + |
| 178 | + if (attributes == null) { |
| 179 | + throw new IllegalArgumentException( |
| 180 | + "No Attributes found for dimensions: " + dimension1 + "," + dimension2 + "," + dimension3 + "," + dimension4 |
| 181 | + + "," + dimension5 + " for metric Entity: " + getMetricEntity().getMetricName()); |
| 182 | + } |
| 183 | + return attributes; |
| 184 | + } |
| 185 | + |
| 186 | + public void record( |
| 187 | + long value, |
| 188 | + @Nonnull E1 dimension1, |
| 189 | + @Nonnull E2 dimension2, |
| 190 | + @Nonnull E3 dimension3, |
| 191 | + @Nonnull E4 dimension4, |
| 192 | + @Nonnull E5 dimension5) { |
| 193 | + super.record(value, getAttributes(dimension1, dimension2, dimension3, dimension4, dimension5)); |
| 194 | + } |
| 195 | + |
| 196 | + public void record( |
| 197 | + double value, |
| 198 | + @Nonnull E1 dimension1, |
| 199 | + @Nonnull E2 dimension2, |
| 200 | + @Nonnull E3 dimension3, |
| 201 | + @Nonnull E4 dimension4, |
| 202 | + @Nonnull E5 dimension5) { |
| 203 | + super.record(value, getAttributes(dimension1, dimension2, dimension3, dimension4, dimension5)); |
| 204 | + } |
| 205 | + |
| 206 | + /** visible for testing */ |
| 207 | + public EnumMap<E1, EnumMap<E2, EnumMap<E3, EnumMap<E4, EnumMap<E5, Attributes>>>>> getAttributesEnumMap() { |
| 208 | + return attributesEnumMap; |
| 209 | + } |
| 210 | +} |
0 commit comments