spring FlightRecorderStartupEvent 源码
spring FlightRecorderStartupEvent 代码
文件路径：/spring-core/src/main/java/org/springframework/core/metrics/jfr/FlightRecorderStartupEvent.java
/*
* Copyright 2002-2020 the original author or authors.
*
* 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
*
* https://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.springframework.core.metrics.jfr;
import jdk.jfr.Category;
import jdk.jfr.Description;
import jdk.jfr.Event;
import jdk.jfr.Label;
/**
* {@link Event} extension for recording {@link FlightRecorderStartupStep}
* in Java Flight Recorder.
*
* <p>{@link org.springframework.core.metrics.StartupStep.Tags} are serialized
* as a single {@code String}, since Flight Recorder events do not support complex types.
*
* @author Brian Clozel
* @since 5.3
*/
@Category("Spring Application")
@Label("Startup Step")
@Description("Spring Application Startup")
class FlightRecorderStartupEvent extends Event {
public final long eventId;
public final long parentId;
@Label("Name")
public final String name;
@Label("Tags")
String tags = "";
public FlightRecorderStartupEvent(long eventId, String name, long parentId) {
this.name = name;
this.eventId = eventId;
this.parentId = parentId;
}
public void setTags(String tags) {
this.tags = tags;
}
}
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spring FlightRecorderApplicationStartup 源码
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