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• NormalJdbcTool.java

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com.github.drinkjava2.jdbpro.NormalJdbcTool Maven / Gradle / Ivy

/**
 * Copyright 2016 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
 *
 * http://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 com.github.drinkjava2.jdbpro;

/**
 * Interface of Normal JDBC methods, this interface is a bridge between jDbPro
 * and jTransactions to eliminate jar dependency, other projects need copy this
 * interface into there source code folder but always use name
 * "com.github.drinkjava2.jdbpro.NormalJdbcTool"
 * 
 * @author Yong Zhu
 * @since 1.7.0.1
 */

public interface NormalJdbcTool {// NOSONAR

	/**
	 * Query for an Object, only return the first row and first column's value if
	 * more than one column or more than 1 rows returned, a null object may return
	 * if no result found
	 * 
	 * @param sql
	 * @param params
	 * @return An Object or null, Object type determined by SQL content
	 */
	public  T nQueryForObject(String sql, Object... params);

	/**
	 * Executes the given INSERT, UPDATE, or DELETE SQL statement.
	 * 
	 * @param sql
	 *            the SQL
	 * @param params
	 *            the parameters if have
	 * @return The number of rows updated.
	 */
	public int nUpdate(String sql, Object... params);

	/**
	 * Execute an statement, including a stored procedure call, which does not
	 * return any result sets. Any parameters which are instances of
	 * org.apache.commons.dbutils.OutParameter will be registered as OUT parameters.
	 * Transaction mode is determined by connectionManager property.
	 * 

	 * Use this method when invoking a stored procedure with OUT parameters that
	 * does not return any result sets. If you are not invoking a stored procedure,
	 * or the stored procedure has no OUT parameters, consider using
	 * {@link #Update(java.lang.String...) }. If the stored procedure returns result
	 * sets, use
	 * {@link #iExecute(org.apache.commons.dbutils.ResultSetHandler, java.lang.String...) }.
	 * 
	 * @param sql
	 *            the SQL
	 * @return The number of rows updated.
	 */
	public int nExecute(String sql, Object... params);
}