| // Copyright (C) 2019 The Android Open Source Project |
| // |
| // Licensed 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 com.google.gerrit.server.logging; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import com.google.auto.value.AutoValue; |
| import com.google.gerrit.common.Nullable; |
| |
| /** |
| * The record of an operation for which the execution time was measured. |
| * |
| * <p>Meta data is stored in separate key/value fields to avoid expensive instantiations of Map |
| * objects. |
| */ |
| @AutoValue |
| public abstract class PerformanceLogRecord { |
| /** |
| * Creates a performance log record without meta data. |
| * |
| * @param operation the name of operation the is was performed |
| * @param durationMs the execution time in milliseconds |
| * @return the performance log record |
| */ |
| public static PerformanceLogRecord create(String operation, long durationMs) { |
| return new AutoValue_PerformanceLogRecord( |
| operation, durationMs, null, null, null, null, null, null, null, null); |
| } |
| |
| /** |
| * Creates a performance log record with meta data. |
| * |
| * @param operation the name of operation the is was performed |
| * @param durationMs the execution time in milliseconds |
| * @param key meta data key |
| * @param value meta data value |
| * @return the performance log record |
| */ |
| public static PerformanceLogRecord create( |
| String operation, long durationMs, String key, @Nullable Object value) { |
| return new AutoValue_PerformanceLogRecord( |
| operation, durationMs, requireNonNull(key), value, null, null, null, null, null, null); |
| } |
| |
| /** |
| * Creates a performance log record with meta data. |
| * |
| * @param operation the name of operation the is was performed |
| * @param durationMs the execution time in milliseconds |
| * @param key1 first meta data key |
| * @param value1 first meta data value |
| * @param key2 second meta data key |
| * @param value2 second meta data value |
| * @return the performance log record |
| */ |
| public static PerformanceLogRecord create( |
| String operation, |
| long durationMs, |
| String key1, |
| @Nullable Object value1, |
| String key2, |
| @Nullable Object value2) { |
| return new AutoValue_PerformanceLogRecord( |
| operation, |
| durationMs, |
| requireNonNull(key1), |
| value1, |
| requireNonNull(key2), |
| value2, |
| null, |
| null, |
| null, |
| null); |
| } |
| |
| /** |
| * Creates a performance log record with meta data. |
| * |
| * @param operation the name of operation the is was performed |
| * @param durationMs the execution time in milliseconds |
| * @param key1 first meta data key |
| * @param value1 first meta data value |
| * @param key2 second meta data key |
| * @param value2 second meta data value |
| * @param key3 third meta data key |
| * @param value3 third meta data value |
| * @return the performance log record |
| */ |
| public static PerformanceLogRecord create( |
| String operation, |
| long durationMs, |
| String key1, |
| @Nullable Object value1, |
| String key2, |
| @Nullable Object value2, |
| String key3, |
| @Nullable Object value3) { |
| return new AutoValue_PerformanceLogRecord( |
| operation, |
| durationMs, |
| requireNonNull(key1), |
| value1, |
| requireNonNull(key2), |
| value2, |
| requireNonNull(key3), |
| value3, |
| null, |
| null); |
| } |
| |
| /** |
| * Creates a performance log record with meta data. |
| * |
| * @param operation the name of operation the is was performed |
| * @param durationMs the execution time in milliseconds |
| * @param key1 first meta data key |
| * @param value1 first meta data value |
| * @param key2 second meta data key |
| * @param value2 second meta data value |
| * @param key3 third meta data key |
| * @param value3 third meta data value |
| * @param key4 forth meta data key |
| * @param value4 forth meta data value |
| * @return the performance log record |
| */ |
| public static PerformanceLogRecord create( |
| String operation, |
| long durationMs, |
| String key1, |
| @Nullable Object value1, |
| String key2, |
| @Nullable Object value2, |
| String key3, |
| @Nullable Object value3, |
| String key4, |
| @Nullable Object value4) { |
| return new AutoValue_PerformanceLogRecord( |
| operation, |
| durationMs, |
| requireNonNull(key1), |
| value1, |
| requireNonNull(key2), |
| value2, |
| requireNonNull(key3), |
| value3, |
| requireNonNull(key4), |
| value4); |
| } |
| |
| public abstract String operation(); |
| |
| public abstract long durationMs(); |
| |
| @Nullable |
| public abstract String key1(); |
| |
| @Nullable |
| public abstract Object value1(); |
| |
| @Nullable |
| public abstract String key2(); |
| |
| @Nullable |
| public abstract Object value2(); |
| |
| @Nullable |
| public abstract String key3(); |
| |
| @Nullable |
| public abstract Object value3(); |
| |
| @Nullable |
| public abstract String key4(); |
| |
| @Nullable |
| public abstract Object value4(); |
| |
| void writeTo(PerformanceLogger performanceLogger) { |
| if (key4() != null) { |
| requireNonNull(key1()); |
| requireNonNull(key2()); |
| requireNonNull(key3()); |
| performanceLogger.log( |
| operation(), |
| durationMs(), |
| key1(), |
| value1(), |
| key2(), |
| value2(), |
| key3(), |
| value3(), |
| key4(), |
| value4()); |
| } else if (key3() != null) { |
| requireNonNull(key1()); |
| requireNonNull(key2()); |
| performanceLogger.log( |
| operation(), durationMs(), key1(), value1(), key2(), value2(), key3(), value3()); |
| } else if (key2() != null) { |
| requireNonNull(key1()); |
| performanceLogger.log(operation(), durationMs(), key1(), value1(), key2(), value2()); |
| } else if (key1() != null) { |
| performanceLogger.log(operation(), durationMs(), key1(), value1()); |
| } else { |
| performanceLogger.log(operation(), durationMs()); |
| } |
| } |
| } |