spring R2dbcScriptDatabaseInitializer 源码
springboot R2dbcScriptDatabaseInitializer 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/r2dbc/init/R2dbcScriptDatabaseInitializer.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.r2dbc.init;
import java.nio.charset.Charset;
import java.util.List;
import io.r2dbc.spi.ConnectionFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.boot.r2dbc.EmbeddedDatabaseConnection;
import org.springframework.boot.sql.init.AbstractScriptDatabaseInitializer;
import org.springframework.boot.sql.init.DatabaseInitializationSettings;
import org.springframework.core.io.Resource;
import org.springframework.r2dbc.connection.init.ResourceDatabasePopulator;
/**
* An {@link InitializingBean} that initializes a database represented by an R2DBC
* {@link ConnectionFactory}.
*
* @author Andy Wilkinson
* @since 2.5.0
*/
public class R2dbcScriptDatabaseInitializer extends AbstractScriptDatabaseInitializer {
private final ConnectionFactory connectionFactory;
/**
* Creates a new {@code R2dbcScriptDatabaseInitializer} that will initialize the
* database recognized by the given {@code connectionFactory} using the given
* {@code settings}.
* @param connectionFactory connectionFactory for the database
* @param settings initialization settings
*/
public R2dbcScriptDatabaseInitializer(ConnectionFactory connectionFactory,
DatabaseInitializationSettings settings) {
super(settings);
this.connectionFactory = connectionFactory;
}
@Override
protected boolean isEmbeddedDatabase() {
return EmbeddedDatabaseConnection.isEmbedded(this.connectionFactory);
}
@Override
protected void runScripts(List<Resource> scripts, boolean continueOnError, String separator, Charset encoding) {
ResourceDatabasePopulator populator = new ResourceDatabasePopulator();
populator.setContinueOnError(continueOnError);
populator.setSeparator(separator);
if (encoding != null) {
populator.setSqlScriptEncoding(encoding.name());
}
for (Resource script : scripts) {
populator.addScript(script);
}
populator.populate(this.connectionFactory).block();
}
}
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- 本文标签： Spring Boot Java Spring
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