spring DatabaseInitializerDetector 源码
springboot DatabaseInitializerDetector 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/sql/init/dependency/DatabaseInitializerDetector.java
/*
* Copyright 2012-2021 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.sql.init.dependency;
import java.util.Set;
import javax.sql.DataSource;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.core.Ordered;
/**
* Detects beans that initialize an SQL database. Implementations should be registered in
* {@code META-INF/spring.factories} under the key
* {@code org.springframework.boot.sql.init.dependency.DatabaseInitializerDetector}.
*
* @author Andy Wilkinson
* @since 2.5.0
*/
public interface DatabaseInitializerDetector extends Ordered {
/**
* Detect beans defined in the given {@code beanFactory} that initialize a
* {@link DataSource}.
* @param beanFactory bean factory to examine
* @return names of the detected {@code DataSource} initializer beans, or an empty set
* if none were detected.
*/
Set<String> detect(ConfigurableListableBeanFactory beanFactory);
/**
* Callback indicating that all known {@code DataSourceInitializerDetectors} have been
* called and detection of beans that initialize a {@link DataSource} is complete.
* @param beanFactory bean factory that was examined
* @param dataSourceInitializerNames names of the {@code DataSource} initializer beans
* detected by all known detectors
*/
default void detectionComplete(ConfigurableListableBeanFactory beanFactory,
Set<String> dataSourceInitializerNames) {
}
@Override
default int getOrder() {
return 0;
}
}
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