spring DataSourcePoolMetadataProvider 源码
springboot DataSourcePoolMetadataProvider 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/jdbc/metadata/DataSourcePoolMetadataProvider.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.jdbc.metadata;
import javax.sql.DataSource;
/**
* Provide a {@link DataSourcePoolMetadata} based on a {@link DataSource}.
*
* @author Stephane Nicoll
* @since 2.0.0
*/
@FunctionalInterface
public interface DataSourcePoolMetadataProvider {
/**
* Return the {@link DataSourcePoolMetadata} instance able to manage the specified
* {@link DataSource} or {@code null} if the given data source could not be handled.
* @param dataSource the data source
* @return the data source pool metadata
*/
DataSourcePoolMetadata getDataSourcePoolMetadata(DataSource dataSource);
}
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