| /* |
| * Copyright 2016 The Bazel Authors. All rights reserved. |
| * |
| * 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.idea.blaze.base.metrics; |
| |
| import com.intellij.openapi.extensions.ExtensionPointName; |
| import com.intellij.openapi.project.Project; |
| import javax.annotation.Nullable; |
| |
| /** |
| * Logging service that handles logging timing, hit, and other events to an external sink for later |
| * analysis. |
| */ |
| public interface LoggingService { |
| |
| ExtensionPointName<LoggingService> EP_NAME = |
| ExtensionPointName.create("com.google.idea.blaze.LoggingService"); |
| |
| /** |
| * Report a value for an event to the available logging services. |
| * |
| * @param variable The variable to report to. Once a value is selected for a logical measurement, |
| * the variable's name should never change, even if the colloquial name for the variable |
| * changes. |
| */ |
| static void reportEvent(Project project, Action variable) { |
| reportEvent(project, variable, 0); |
| } |
| |
| /** |
| * Report a value for an event to the available logging services. |
| * |
| * @param variable The variable to report to. Once a value is selected for a logical measurement, |
| * the variable's name should never change, even if the colloquial name for the variable |
| * changes. |
| * @param value should be >= 0, set the value to 0 if the value is meaningless |
| */ |
| static void reportEvent(Project project, Action variable, long value) { |
| for (LoggingService service : EP_NAME.getExtensions()) { |
| service.doReportEvent(project, variable, value); |
| } |
| } |
| |
| /** |
| * Report a value for an event to the logging service |
| * |
| * @param variable The variable to report to. Once a value is selected for a logical measurement, |
| * the variable's name should never change, even if the colloquial name for the variable |
| * changes. |
| * @param value should be >= 0, set the value to 0 if the value is meaningless |
| */ |
| void doReportEvent(@Nullable Project project, Action variable, long value); |
| } |