spring ConnectionFunction 源码
spring ConnectionFunction 代码
文件路径：/spring-r2dbc/src/main/java/org/springframework/r2dbc/core/ConnectionFunction.java
/*
* Copyright 2002-2020 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.r2dbc.core;
import java.util.function.Function;
import io.r2dbc.spi.Connection;
/**
* Union type combining {@link Function} and {@link SqlProvider} to expose the SQL that is
* related to the underlying action.
*
* @author Mark Paluch
* @since 5.3
* @param <R> the type of the result of the function.
*/
class ConnectionFunction<R> implements Function<Connection, R>, SqlProvider {
private final String sql;
private final Function<Connection, R> function;
ConnectionFunction(String sql, Function<Connection, R> function) {
this.sql = sql;
this.function = function;
}
@Override
public R apply(Connection t) {
return this.function.apply(t);
}
@Override
public String getSql() {
return this.sql;
}
}
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