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Spring Framework example source code file (DatabaseMetaDataCallback.java)

This example Spring Framework source code file (DatabaseMetaDataCallback.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

databasemetadatacallback, databasemetadatacallback, jdbc, metadataaccessexception, metadataaccessexception, object, object, sql, sqlexception, sqlexception

The Spring Framework DatabaseMetaDataCallback.java source code

/*
 * Copyright 2002-2005 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 org.springframework.jdbc.support;

import java.sql.DatabaseMetaData;
import java.sql.SQLException;

/** 
 * A callback interface used by the JdbcUtils class. Implementations of this
 * interface perform the actual work of extracting database meta data, but
 * don't need to worry about exception handling. SQLExceptions will be caught
 * and handled correctly by the JdbcUtils class.
 *
 * @author Thomas Risberg
 * @see JdbcUtils#extractDatabaseMetaData
 */
public interface DatabaseMetaDataCallback {
	
	/** 
	 * Implementations must implement this method to process the meta data
	 * passed in. Exactly what the implementation chooses to do is up to it.
	 * @param dbmd the DatabaseMetaData to process
	 * @return a result object extracted from the meta data
	 * (can be an arbitrary object, as needed by the implementation)
	 * @throws SQLException if a SQLException is encountered getting
	 * column values (that is, there's no need to catch SQLException)
	 * @throws MetaDataAccessException in case of other failures while
	 * extracting meta data (for example, reflection failure)
	 */
	Object processMetaData(DatabaseMetaData dbmd) throws SQLException, MetaDataAccessException;

}

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