spring OnTracingEnabledCondition 源码
springboot OnTracingEnabledCondition 代码
文件路径：/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/tracing/OnTracingEnabledCondition.java
/*
* Copyright 2012-2022 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.boot.actuate.autoconfigure.tracing;
import org.springframework.boot.autoconfigure.condition.ConditionMessage;
import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
import org.springframework.context.annotation.Condition;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.core.type.AnnotatedTypeMetadata;
/**
* {@link Condition} that checks if tracing is enabled.
*
* @author Moritz Halbritter
* @see ConditionalOnEnabledTracing
*/
class OnTracingEnabledCondition extends SpringBootCondition {
private static final String PROPERTY_NAME = "management.tracing.enabled";
@Override
public ConditionOutcome getMatchOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
boolean match = context.getEnvironment().getProperty(PROPERTY_NAME, Boolean.class, true);
return new ConditionOutcome(match, ConditionMessage.forCondition(ConditionalOnEnabledTracing.class)
.because(PROPERTY_NAME + " is " + match));
}
}
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- 本文标签： Spring Boot Java Spring
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