spring AnyNestedCondition 源码
springboot AnyNestedCondition 代码
文件路径：/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/condition/AnyNestedCondition.java
/*
* Copyright 2012-2019 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.autoconfigure.condition;
import java.util.ArrayList;
import java.util.List;
import org.springframework.context.annotation.Condition;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
/**
* {@link Condition} that will match when any nested class condition matches. Can be used
* to create composite conditions, for example:
*
* <pre class="code">
* static class OnJndiOrProperty extends AnyNestedCondition {
*
* OnJndiOrProperty() {
* super(ConfigurationPhase.PARSE_CONFIGURATION);
* }
*
* @ConditionalOnJndi()
* static class OnJndi {
* }
*
* @ConditionalOnProperty("something")
* static class OnProperty {
* }
*
* }
* </pre>
* <p>
* The
* {@link org.springframework.context.annotation.ConfigurationCondition.ConfigurationPhase
* ConfigurationPhase} should be specified according to the conditions that are defined.
* In the example above, all conditions are static and can be evaluated early so
* {@code PARSE_CONFIGURATION} is a right fit.
*
* @author Phillip Webb
* @since 1.2.0
*/
@Order(Ordered.LOWEST_PRECEDENCE - 20)
public abstract class AnyNestedCondition extends AbstractNestedCondition {
public AnyNestedCondition(ConfigurationPhase configurationPhase) {
super(configurationPhase);
}
@Override
protected ConditionOutcome getFinalMatchOutcome(MemberMatchOutcomes memberOutcomes) {
boolean match = !memberOutcomes.getMatches().isEmpty();
List<ConditionMessage> messages = new ArrayList<>();
messages.add(ConditionMessage.forCondition("AnyNestedCondition").because(
memberOutcomes.getMatches().size() + " matched " + memberOutcomes.getNonMatches().size() + " did not"));
for (ConditionOutcome outcome : memberOutcomes.getAll()) {
messages.add(outcome.getConditionMessage());
}
return new ConditionOutcome(match, ConditionMessage.of(messages));
}
}
相关信息
相关文章
spring AbstractNestedCondition 源码
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spring ConditionEvaluationReportAutoConfigurationImportListener 源码
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- 本文标签： Java Spring Spring Boot
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