spring SingleDataSourceLookup 源码
spring SingleDataSourceLookup 代码
文件路径：/spring-jdbc/src/main/java/org/springframework/jdbc/datasource/lookup/SingleDataSourceLookup.java
/*
* Copyright 2002-2012 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.jdbc.datasource.lookup;
import javax.sql.DataSource;
import org.springframework.util.Assert;
/**
* An implementation of the DataSourceLookup that simply wraps a
* single given DataSource, returned for any data source name.
*
* @author Juergen Hoeller
* @since 2.0
*/
public class SingleDataSourceLookup implements DataSourceLookup {
private final DataSource dataSource;
/**
* Create a new instance of the {@link SingleDataSourceLookup} class.
* @param dataSource the single {@link DataSource} to wrap
*/
public SingleDataSourceLookup(DataSource dataSource) {
Assert.notNull(dataSource, "DataSource must not be null");
this.dataSource = dataSource;
}
@Override
public DataSource getDataSource(String dataSourceName) {
return this.dataSource;
}
}
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